Rules

Click here for 602 Late Model Rules.

  TCS is a unsanctioned track but will be going by UMP rules with the exception of:  You can run Hoosier G60's or American Racer KK704 tires.  No grooving or siping rear tires.  You may groove or sipe front tires only. 

General Rules and Safety.

1. All Cars will be scored by transponder, driver must have a transponder pouch to secure the transponder on the top of the right rear axle tube.
2. All drivers must wear a race receiver device at all times when in the speedway, any driver not responding to commands for the race director after three attempts will be sent to the pits, a courtesy check is available for all drivers while they are in the pits between races, ask a speedway track staff employee to get tower to give a “check” over the head set if you are having trouble hearing, but it is your responsibility to make sure that your device is working.
3. All drivers must wear protective driving suits, racing gloves, flame retardant footwear, and a minimum of a “neck roll” helmet support collar. Hans type or other neck restraints are highly recommended.
4. All cars must have all lead pieces painted white, driveshaft must also be painted white.
5. Window nets are not required but highly recommended.
6. May run 3” or 2” wide racing harness, five point harness (seat belts) mandatory.
7. All cars must have a full containment style seat.
8. Bead locks permitted on any corner or all corners of the car. Highly recommended on both right side tires, a bead lock is mandatory for the right rear.

Race procedure and Starts and restarts. 

1. All heat race line ups will be determined by pill draw at the registration window.
2. All initial starts wether in heat races or feature events will begin with the pole sitter on the inside of the front row, starting order will always follow the grid as indicated on the line up boards.
3. Feature line ups will be determined by the finishing order of the heat races(heat one winner pole, heat two winner outside pole, etc.) the initial start of the feature will be lined up as indicated on the starting grid sheet on the pit line up board.
4. The field will given two shots at an initial start, if the class can’t start the race properly the third attempt at starting the race will put the field single file for the initial start.
5. All restarts will be true double file, with the leader selecting either inside or outside, and race scoring lining the field up according to the leaders decision to go to the inside or the outside. Fair warning!!! if you don’t answer the command to get in your starting spot after two requests to do so, you will be stopped and sent to the pits prior to the restart.
6. Any car that drives off the designated racing surface(through the infield of the exit lane at the top of the back stretch etc) and gains positions will be scored last at the next flag during the race.
7. If a car is charged with bringing out the caution THREE TIMES, that driver will be black fagged and sent to the pits for the night.
8. If a car jumps the start or breaks the double file formation before leaving the start box, on any start(initial or restart.) that car will be docked three positions at the next flag, that stops racing speed(yellow, or checked).
9. If one or more cars bring out the yellow by colliding, spinning or stopping, without perceived malicious intent, all cars involved in the bring out the yellow will be sent to the rear of the lead lap.
10. If anyone is caught intentionally spinning out another competitor, the driver who initiates contact will be black flagged, if a driver is deemed to be too aggressive or tearing up other competitors equipment or deemed a danger to his/her fellow competitors that driver will be black flagged.
11. A driver may be black flagged for a mechanical issue that is dangerous to competitors,him/herself or the integrity of the race itself.

Chassis and suspension 

1. Open to any steel full tube dirt Late Model chassis, age brand or otherwise.
2. Absolutely no stock clip cars allowed.
3. Minimum wheelbase of 103 inches.
4. No spring loaded suspension tubes or four link rods.
5. No cantilever style rear suspension systems permitted
6. The car is allowed a total of 5(five) steel body, monotube or twin tube non adjustable shock absorbers with coil over kits or Aluminum threaded body shocks that are non adjustable through gas pressure or knobs. Left front, right front, left rear (behind the birdcage) right rear and fifth coil.
7. No gas pressure adjustable type shocks, no double adjustable knob type shocks, no Schrader valves, no bulb type shocks.
8. No bump stops, internal or external
9. No stacked springs, dual rate springs, or spring rubbers.
10. The car must have a solid chain to limit hike on the left rear, no spring or biscuit or pull type limiters. No nylon straps, the limiting device cannot stretch, or cushion the suspension at full draw. Limiter must be mounted as close to the left side bell as possible, and it must be clamped to the axle tube.
11.  All shocks must compresses completely by hand or spring smasher. No shock can read over 175 pounds when compressed on spring smasher as it is moving. No settle time for force to go down
12. Shock buy out rule, $750, does not include springs and coil over kits. Note: any driver finishing in the top three may buy out the shocks of another competitor in the top three, within five minutes of the conclusion of the race. Any driver that doesn’t comply with the buy out rule will forfeit their position and submit his shocks to series officials for inspection. If a driver fails to comply with series officials, he will serve a 30 day suspension from competition.

Droop Rule

       1. The travel limiting chain must attach on the left rear axle tube between the birdcage and the edge of the left rear bell of the axle housing, and to the left rear frame directly above the chain mount on the rear axle. Travel limiting chains must be installed so that when taunt they are as close to vertical as possible. No rubber, or spring loaded limiting devices are allowed, solid chain only .
B.) The travel limiting chain must be installed so that when the car is jacked up from the rear the chain assembly is tight (no slack). The travel limiting chain is subject to inspection at any time during the event at the discretion of the Officials, including but not limited to, pre race, heat races, and the Feature. Cars will be jacked up on the under-slung frame rail between the center of the rear axle and the Panhard bar mount. The left rear under-slung rail must be located between the left rear birdcage and the edge of the left rear axle housing bell. If a chassis is not of the under-slung design, then the car will be jacked up on the left rear frame rail closest to the Panhard bar mount. Cars will be jacked up until a .040”-inch shim will slide between the left rear tire and the ground. The right rear tire must also be off the ground. Once the car is jacked up as described a vertical measurement will be taken from the ground to top trailing edge of the rear deck bar, 6”-inches inboard of the left rear quarter panel outer edge. The measurement must not exceed 49”-inches. Failing to meet this rule will result in disqualification

Engine Rules

1. No Crate Engines are permitted to compete. The rule book allows any production Chevrolet 350 cubic inch block to compete, no aftermarket blocks, maximum of .060 over cylinder bore.  Engine Claim rule will be $2500, buyer must finish in the top 3 and notify the tech inspector of his intent within 5 minutes of the completion of the race. Engine will be bought without Carb, carb spacer, water pump, distributor, pulleys, and fuel/power steering pump or headers. Any driver who does not sell his engine when a claim has been placed on it will forfeit his position, payout and points for the night, and will be suspended from competition for 30 days. 1 engine claim per team per season.

2.Holley 4412 Carburetors only, as comes from Holley, no modifications except choke butterfly and shaft may be removed. Choke horn must remain unmodified. Maximum 1” aluminum spacer/adapter with 1 gasket per side not to exceed .065”in thickness.
3. Unmodified cast iron or aluminum 2 or 4 barrel intake manifolds are permitted. can be aftermarket (edelbrock performer,example). Must be factory low-rise. No airgap, intakes. No porting, polishing or milling allowed on any intake. Maximum of 1 inch spacer allowed, including 4bbl to 2bbl adapter on 4bbl intakes.
4. Headers allowed, Basic Steel dirt Late Model headers only, No tri-y, stainless or step headers will be allowed. Mufflers are not mandatory but are recommended.
5. No phenolic/wooden carburetor spacers.

Cylinder Heads
1. Stock production cast iron heads only and must be for 350 engine onl, no aluminum heads. No angle plug heads. Any questionable heads must be approved by chief inspector prior to racing. CH-350i Cylinder Head with 1.94 intake, 1.50 exhaust valves. Vortec Heads are permitted. No aftermarket (iron eagle, etc) heads will be permitted.
2. Maximum compression 175 lbs with exhaust valve disabled, all plugs removed, and carburetor in full open position with a battery charger if needed. Time limit may be enforced by chief tech inspector.
3. No flow work on heads, no port matching, no angle milling.
4. Stock diameter (1.25 in) valve springs. No beehive springs. No over sized valves, max size is GM 1.94 intake 1.50 exhaust , three angle valve jobs not permitted. No angle milling allowed.
5. Stock rockers, stock ratio only GM 1.5  6. Screw in studs and guide plates ok. No stud girdle .Poly locks ok.
Block
1. Block may be bored max .060 over maximum 362 cid.
2. Stock production rods only. 5.7 only must have factory markings. Must be stock length for engine being used. Nut and bolt type.
3. No dome or pop up pistons. Aftermarket dish , flattop 2 or 4 valve relief pistons ok.
4. OEM crankshaft or OEM replacement cast or steel crankshafts only. Scat #9-10442, Scat #9-10526, Eagle #103523480, Stock stroke. No lightening, no knife edge, no polishing.

5. Aftermarket oil pan ok.
6. Aftermarket hydraulic camshafts
allowed, Hydraulic lifters only, Maximum lift .420 lift camshaft.
Cast crank 47 lbs. minimum and steel crank 50 lbs. minimum.
7. Firing order must remain stock and unaltered, No 4-7 swaps
8. Aftermarket aluminum radiator ok.
9. After market valve covers ok.
10. Aftermarket power steering pump and aluminum pulleys ok. Power steering must be mounted to the front of the engine, no rear mount pumps, fuel or power steering.
11. Aluminum water pump ok, must have a working fan blade, no electric water pumps, fans etc.
12. Fuel pump must be mounted to the block and cam driven, aftermarket fuel pumps ok.

Tires and Wheels
1. Hoosier Crate Racin USA D55 or HTS Spec 1600 on the right rear, mandatory. Hoosier Crate Racin USA D21 or HTS Spec 1350 permitted on the Left Front, right front, left rear corners only.
2. Tires will be stamped before competition, cars must remain on those tires for the heat race and the feature, with exception of a flat or destroyed racing tire.
3. Grooving and siping allowed, this also allows drivers to purchase pull off tires from 602/604 teams.
4. Bead locks mandatory on right rear, recommended on right front.
5. Wheel spacers ok.
6. No softening of the tires by use of chemicals will be permitted. Any team may protest a tire for $150. In the case of a protest, the driver protesting must notify series tech inspector of his decision within five minutes of the completion of the feature race. Protesting team must also be willing to provide a sample for testing as well, the protesting team and the protested team’s payout will be held until test results come back. All teams must be willing to provide samples for testing if asked, at any given time. Failure to allow a sample to be taken will be met with 30 day competition suspension. Any driver failing a tire test will not only be disqualified from the feature in question but will forfeit all points accumulated to that point for the season, 2nd failure of a tire test will result in a 60 day suspension from competition. 3rd failure in a calendar year will result in 1 year’s suspension from competition.
7. No carbon fiber wheels, aluminum or steel only. 

Fuel. 

1. Pump gas only, strictly enforced. 93 maximum octane.
2. No cold boxes or fuel chilling devices allowed on the car.
3. No E85 race type fuels, or racing fuels. 

Transmissions.
    1. Turbo 350, 2 speed power glide are permitted, cars can weigh 2300 lbs with an automatic transmission.
     2. Brinn or Bert transmission or 3 Speed Saginaw also permitted, must have working low speed forward, reverse and high gear at a minimum. Cars using any of these three options must weigh 2350 pounds minimum. 

Body rules. Will use current 2021 Crate Racin USA body rules.

Closing statements.

Any and all questions concerning this rule book and anything not covered herein are up to discretion of Series officials as to how they will be answered or handled. 

Any part regarding the drive line, limiting chain, or suspension can be confiscated at any time by series officials. Failure to surrender part for inspection will result in immediate disqualification and possible suspension from the series.

In short, if it doesn’t say you can, you can’t.

To reiterate, this class does not intend to replace our current 602-604 late model classes, also I have a list of jegs engines built to these specs starting at 1800(long block) to 2400(complete less carb and fuel pump) dollars for those that are interested in purchasing an engine instead of building one. 

I also have part numbers and links to aftermarket rebuild kits for a 30 over three fifty that costs $900. Pistons, rods, rings, cam shaft and lifters and all the gaskets. Let me know if you need any help!

 2023 ADRL Late Model Rules: 

Engine Option A:

GM Sealed 604 Crate Engine 

(must be as it comes from GM, no modifications to any external parts, must run 1.5 GM equipped rockers, etc.)

New GM cap style seals, or CRUSA seals only. No generic "crate" labeled, rush, IMCA or Fastrak seals.

Any engine that has 185lbs of cranking compression on any one cylinder will not be permitted to be used as a "sealed crate engine" at Tri-County Speedway.

May run 2" carb spacer with sealed engine.

2300LBS minimum weight at all times. No Rev limiter chip mandated.

Engine Option B:

5.3 LS (327 cubic inch) OE Production cast iron or Aluminum blocks.

Stock GM Blocks only, no aftermarket blocks ( dart, brodix, etc.)

- Bore/Stroke: 3.800 inches X 3.622 inches.

-Displacement: 5.3L

Rotating Assembly:

Crankshaft: OE GM Steel crankshafts only, no lightened cranks, or aftermarket crank shafts.

Rods: Stock GM LS7 rods only.

Compression Ratio: 10.0:1

Pistons: May run any 2 or 4 valve relief flat top piston.

Camshaft Specs:

Camshaft: Hydraulic roller tappet

Cam Duration @ .050 in. / Intake 222 / Exhaust 231.

Cam Lift: Intake .545 in. / Exhaust .545 in.

Lobe separation angle: 112

Cylinder head Information:

Cylinder heads: OE aluminum. GM LS Factory production heads ONLY. No aftermarket.

Combustion Chamber: 64cc

Valve Size: 2.000 in. intake / 1.550 inch Exhaust.

Rocker Arms: Powdered metal roller rockers 1.7 ratio with C-Clip upgrade retainer permitted.

MSD 6014CT Circle track GM LS Engine ignition control only with this engine package! Must run factory settings as it came from the manufacturer, any attempt to program the box or adjust timing curve, etc, will result in confiscation and resetting of your ignition control box.

1 inch carb spacer

Any 4 barrel Caruretor

Must weigh 2400lbs at all times.

Engine Option C:

Built small block

ONLY Stock production steel V-8.

B.) 360 cubic inches maximum Ford and Chevrolet. 374 cubic inches maximum Dodge/Chrysler.

MUST utilize stock bore and stroke combinations. Small block engines ONLY.

C.) .060ths over bore permitted on all engines. Block may be surfaced. Pistons may not exceed top of the block more than one tenth. Measured without head gasket.

D.) Stock steel rods or stock type steel rods. Eagle H-Beams rods permitted, but no other H-Beam rods allowed. MUST be stock length to engine. (EX: 350 Chevrolet 5.7" max length). No titanium, aluminum or exotic material permitted. Ford and Mopar 6" rods permitted. 

E.) Steel or Cast factory production crank shafts ONLY. 48lns minimum weight. Casting number must be plainly visible. Cranks must be stock stroke to engine. (EX: 3.48" max for 350 Chevrolet.) 

No knife edging. Eagle or Scat Crankshaft OKAY must meet above rules! 

Ford crankshaft must weigh 54 lbs.

F.) No dry sump oiling systems.

G.) Engine balancing permitted.

H.) Chassis type collector headers ONLY. Tri-Y headers permitted.

I.) Any flat top piston. 2 or 4 valve relief piston permitted.

J.) 550 max lift. Flat tappet camshaft permitted. No roller camshafts. Lifters must be stock diameter. 

Cylinder Heads:

A.) Any steel head meeting the following requirements

1. Chevy 23 degree + or - 1 degree with no larger than a 1.94" intake valve.

2. Ford 20 degree head + or - 1 degree with no longer than a 2.02" intake valve.

3. Mopar 18 degree head + or - 1 degree with no larger than a 2.02 intake valve.

B.) Angle milling of heads is okay.

C.) Multi angle valve job permitted. NO porting , polishing, squaring or epoxying of ports.

D.) Valve size Chevrolet 1.94", Ford or Mopar 2.02" intakes and 1.65 exhausts max.

E.) Stainless steel valves permitted.

F.) Screw in studs and guide plates permitted.

G.) Roller top rockers. Aluminum rockers and stud girdles permitted. No shaft mounted rockers.

H.) Any valve retainers. Any Spring permitted.

I.) Gen 1 and 2 604 crate engine aluminum heads permitted.

Intake Manifold:

A.) Any aluminum or cast iron intake.

B.) No porting, polishing,

IF IT DOESN’T SAY YOU CAN – YOU CAN’T.

Bodies & Frames:
1. 1969 or newer.
2. 4 point cage minimum with 3 door bars on each side – May run Full Cage. All welds and structural integrity must be satisfactory of chief technical inspector.
3. All glass must be removed.
4. All body parts must remain stock except rear bumper may be replaced by 2×2, 2×3, or round tube but must be extended no further than 5″ from frame rails. No pointed or sharp edges of any kind. No solid stock.
5. Frame must remain complete and unaltered.
6. May skin car with steel sheet metal. May have aluminum sides but must maintain a steel hood, roof, and trunk.
Must contain factory body lines for car being run. IT MUST APPEAR STOCK! MUST APPEAR STOCK! MUST APPEAR STOCK! MUST APPEAR STOCK! MUST APPEAR STOCK! Hood and trunk must be within OEM width.
7. Minimum roof height is 53″.
8. Maximum distance from firewall to back of seat 59″.
9. Monte Carlo nosepiece only, 78-86.
- [ ] 10. Back must be enclosed. May use aftermarket tailpiece.
- [ ] 11. Minimum door opening 13″.
- [ ] 12. Must have stock roof.
- [x] 13. Battery box may be located in the trunk area, behind the driver’s seat or in the passenger side area. Must be in a steal box and locked into said box with strapping steel material and bolts.
14. No boxing of interior.
15. Rear deck height 40″on hung bodies (minimum 35″)
16. No more than 3″ gradual fall from firewall to rear of nose piece.
17. Unibody cars must tie sub-frames together in a manner that is acceptable to track officials.
18. May run aftermarket Camaro nosepiece on Camaro chassis.

Tires & Rims:
1. 8 inch wheel maximum width.
2. Towel City Yellow Dots required as of May 5, 2018.
Or...
2A. Hoosier H500's.
3. 1″ Lug Nuts Mandatory.
4. Bead lock wheel on right rear only.
5. 2″ or 3″ offset.
6. No wheel spacers.
7. No tire alterations of any kind allowed (chemical or physical). Automatic disqualification.

Rear End:
1. Locked, limited slip, or shimmed ok.
2. Rear-end must be for make and model of car being used.
3. Aftermarket axles are recommended.

Suspension:
1. No modifications allowed. Stock rubber bushings required, no mono-balls.
2. Stock diameter springs only , may change rate, no screw type adjusters.
2A. Stock mount steel body Racing Shocks will be allowed starting in 2020(Afco K series Stock mount, Pro Stock Shock series) no take a part shocks allowed.
Rebuildable and adjustable type shocks will not be permitted.
3. No adjustable spring spacers allowed, must be solid.
4. Stock Sway Bar Allowed, must function as a stock sway bar.
5. Solid spring spacers ok, no adjustable screw type adjusters allowed.
6. Steel aftermarket upper “A” frame allowed. Non adjustable. Stock length. Stock type ball joint of stock length. No screw in ball joints. Right front uppers must be 8”, left must be 8 1/2”.
7. Steering Quickeners allowed, may mount under dash or use Sweet metric replacement steering box.
8. Must have WORKING FOUR WHEEL brakes.
9. Four-wheel disc brakes OK. No Aluminum brake parts. No Scalloped rotors.
10. Single brake master cylinder only. No brake adjustments of any kind. No valves of any kind. No regulating of brake pressure of any kind (other than the drivers foot). Brake lines must be routed in a manner in which the complete length of line may be inspected by track officials.
11. Three-piece spindle ok- IMCA/Speedway STAMPED. No short arm
12. No suspension binding of any kind via chains, cables, etc. Suspension must be able to move freely.
13. No internal or external bump stops on shocks.
14. May change rate of leaf springs. Must mount in stock location. Mono leaf not allowed.
15. No sliders on leaf spring cars. Spacing Blocks allowed but cannot be wedge or adjustable.
16. Front frame must match rear.
***SHOCK Confiscation *** effective 2019
1. Any Shock found in violation of the pure Stock rule book my be confiscated with out question by the technical inspector at any time.

Keep them legal and keep them cheap.
We will confiscate them and NO CASH REPAYMENT TO THE COMPETITOR WILL BE MADE.

FUEL CELLS:
1. Fuel cell recommended, must be mounted in the center of the car.
2. Fuel lines must be routed so they cannot be ripped loose from racing action. If ran through interior of car, they must be in conduit or other protective metal casing. They must be insulated in protective casing from fuel cell to fuel pump so that the fuel line may not be damaged in competition.
3. Fuel cell must be mounted in can with two 2″ straps top and bottom. Must have tip over valve.
4. Must have a “loop” of steel Tubing directly behind the fuel cell with bars connecting the protection loop to the main cage, this will be mandatory.

Engine:
1. No aluminum engine parts.
2. Unmodified Holley part #4412 only. No modifications except choke butterfly and shaft may be removed. Choke horn must remain unmodified. Maximum 1” aluminum spacer/adapter with 1 gasket per side not to exceed .065”in thickness.
3. Unmodified cast iron 2 or 4 barrel intake manifold must be factory OEM stock. Must be factory low-rise OEM stock. No bowtie, aluminum, airgap, or marine intakes. No GM 14098242 or GM 14096242 intakes. No porting, polishing or milling allowed on any intake.
4. Headers allowed, Basic Street Stock type headers will be allowed,1-5/8 inch main pipe, 3-inch collector (Schoenfeild p/n 910-13185 for example) part number SUM-G9005 or Flotech 11108FLT still allowed must have 24 inch pipe extension. No center dump manifolds. tri-y, stainless or step headers will be allowed. Mufflers are not mandatory, exhaust pipe extension past driver will not be mandatory on Schoenfeild part# 910-13185 header.
5. No phenolic/wooden carburetor spacers.

Cylinder Heads:
1. Stock production heads only and must be for 350 engine only. No closed chamber heads, no aluminum heads. No Vortec heads. No angle plug heads. The following heads are not allowed (last 3 casting#s) 040, 041, 186, 291, 292, 461, 462, and 492. Any questionable heads must be approved by chief inspector prior to racing. #EQ CH-350i Cylinder Head with 1.94 intake, 1.50 exhaust valves.
2. Maximum compression 175 lbs with exhaust valve disabled, all plugs removed, and carburetor in full open position with a battery charger if needed. Time limit may be enforced by chief tech inspector.
3. No flow work on heads, no port matching, no angle milling.
4. Stock diameter (1.25 in) valve springs. No beehive springs. No over sized valves, max size is GM 1.94 intake 1.50 ex. Ford 351w & 302 2.02 intake and 1.60 ex. 3 angle valve job ok. No angle milling allowed.
5. Stock rockers, stock ratio only GM 1.5 ford 1.6 6. Screw in studs and guide plates ok. No stud girdle .Poly locks ok.

Block:
1. Block may be bored max .060”over maximum 360 cid.
2. Production type rods only. 5.7 only must have factory markings. Must be stock length for engine being used. Nut and bolt type.
3. No dome or pop up pistons. Aftermarket dish , flattop 2 or 4 valve relief pistons ok.
4. OEM crankshaft or OEM replacement cast or steel crankshafts only. Scat #9-10442, Scat #9-10526, Eagle #103523480, Stock stroke. No lighting, no knife edge, no polishing.

5. Aftermarket oil pan ok.
6. Aftermarket hydraulic camshaft allowed. Maximum lift .284”measured at the cam. Cast crank 47 lbs. minimum and steel crank 50 lbs. minimum.
7. Firing order must remain stock and unaltered, No 4-7 swaps
8. Aftermarket aluminum radiator ok.
9. Any water bottles or other cooling devices must be securely mounted on right side of car and forward of the rear- end.
10. Aftermarket power steering pump and aluminum pulleys ok.
11. Aluminum water pump ok.

Transmission:

Automatic Transmissions only.
Turbo 350, 200 Metric, 400 Turbo etc.
No 2 Speed powerglides, or valve body direct drive.

Safety:
1. All cars must have 5-point approved safety belts mounted by 3/8 grade 8′bolts. 2” minimum strap width and must be manufactured within 3 years of event.
2. Approved helmet and goggles or shield. Helmet must be SNELL approved.
3. Driver’s fire suit required. Must be complete!
4. Working 2-1/2 lb. minimum fire bottle required properly mounted within reach of driver while securely seated. May not be hose clamped, taped, zip tied, etc.
5. Use a properly installed racing seat and fuel cell for safety purposes. These items will be checked for proper installation prior to going on the track by Tech personnel.
6. Drivers neck brace is mandatory.
7. Roll bar padding is mandatory on all bars within reach of any part of the drivers body while driver is properly seated in the car.
8. Drivers window net manufactured within past 5 years is mandatory.
9. Ribbon type window net only. No sprint car type or mesh.
10. Must have protective bars in windshield area forward of driver.
11. Absolutely no weight or ballast added to the car of any kind. No over sized, high gauged, or solid stock frame alterations or bumpers.

Final note:

TRACK RESERVES ALL RIGHT TO CHANGE AND AMMEND THESE RULES AT ANY POINT TO ENSURE FAIRNESS IN COMPETITION.

No “non functioning” dual purpose parts or modification will be allowed.

 Bomber Rules 2023-2025 TCS

Open to drivers of any age who have never competed in an organized race event or class, and to drivers who have sat out FOUR seasons or longer from a higher class.

Open to any American made sedan, four or two door full frame car 1969 or newer. With exception to sport models, (no Camaro, mustangs, GT Models, ETC. )

Car’s frame, suspension (springs and Shocks). Must remain stock as it came from the factory. Any alterations will result in disqualification and forfeit of prize money and points!

Stock or OEM replacement upper A frames, lower A Frames and spindles for the make and model of car being raced are required.

No tubular upper or lower frames permitted.

No spring rubbers, wedges or cups!
Shocks must be Stock and match the model car being used!

Stock coil springs only, no cutting of the springs, no look alike springs or pig tail racing springs permitted.

NOTE: Rancho style off-road shocks will be treated as a racing shock, the shocks being used must be stock OEM application for the car they are being used on, Monroe, Gabriel etc..

No AFCO, No Bilstein etc.

SHOCK PROTEST RULE: 

Any competitor wishing to protest another competitors' shocks will pay a fee of $200 to TCS Officials and must make the claim no later than five minutes after the conclusion of the feature event. Both the protesting team and the protested team will then remove the shocks from both cars in the presence of the tech inspector and allow them to be inspected thoroughly. Any shock found in violation of the rules will be confiscated and destroyed, and the competitor will lose all points and monies and finishing positions for that event.

Shocks and springs must be removed at the request of the tech inspector for inspection, refusal to do so will result in an immediate disqualification.

No locked rear ends! No shimming, no exceptions!
Must Run OEM or OEM replacement rear end housing, ring gear and pinion.

No ballast of any type is permitted!

Body must remain stock and full, only hulling to be allowed will be the front fenders and both front doors. Hood, trunk and rear quarters must be full.

Hood brackets and hinges may be removed, hood must be secured by four hood pins if the hinges are removed.

Aftermarket Plastic nose pieces permitted, must match make and manufacturer of car.

Stock radiator core support must stay in place!  Aftermarket aluminum radiator is allowed.

Full Roll cages permitted; four-point cage minimum is required.
Hooking the halo to the rear frame rails is permitted, however the down tubes from the halo cannot hook into the spring buckets.

Fuel cells are allowed and encouraged. Please make sure you have a protection loop in place behind the cell and connected to the downtubes running to the halo for added protection.

Engines & Transmissions
Automatic transmissions ONLY!
No stall converters, no 2 speed power glides no aftermarket racing automatic transmissions!
Stock with all gears working. No removing of gears or clutches in any automatic transmission.

No vortec heads, no hemispheric heads. No shaving, no angle milling of heads. No aluminum intakes!

No double humps (casting # 3782461)

Max intake valve size 1.94

Max exhaust valve size 1.50

No angle valve jobs, no porting, no polishing, no port matching of the intake runners to the intake chambers on the heads.

No aftermarket racing valve springs
No 1.6 rockers or aftermarket rocker arms designed for performance. All parts must be Stock, or stock replacement! Stamped steel 1.5 on Chevrolet only.

Maximum GM cubic inch will be 355 cubic inches, all specs will be based on based on 1982 350 cid engine found in a Chevrolet or GMC base model pick up truck.

Crankshaft must remain stock or stock type replacement and weight. 

Cast crankshaft only. 3.480 stroke.

Pistons: 

Any cast aluminum tow or four valve relief flat top, or dish top aftermarket pistons are okay.

Camshaft rules:

420 lift

must pull 19" of lift at 1000 RPM

Stock Quadrajet or Rochester 2 barrel carbs only.

Ford, Lincoln or Mercury
Maximum Cubic Inch Size will be 356, no performance heads, stock sized valves, no reworking, shaving or angle milling of the heads will be permitted.
No aluminum intakes, regardless of what specs may say.
No 4412 Holley carbs will be allowed on ANY MODEL, including Fords
. Engine must remain stock!

Mopar- 360 maximum CID, engine must remain stock, no engine may run hemisphere style or performance heads. Must run stock steel intake. Stock carb.

ENGINE CLAIM SWAP RULES:

$1700.00.

Intent to claim must be made no later than 5 minutes after the feature race, and both competitors must allow the tech man to evaluate the motors to deem if the swap is fair (meaning that if you finish the race with a rod knocking and try to claim a good engine, we reserve the right to protect competitors and stop malicious intent.) You must be the car owner/driver to initiate a claim. Both cars will remain at the track in the tech shed, inspection and swap will then happen the following Tuesday. Any competitor that refuses tear down and inspection during the swap process on either car will result in disqualification. ($200 of the $1700 goes to the track for the official overseeing and inspecting. $1500 goes to the driver being claimed upon his engine passing tech prior to swap.) If the protestor has an engine that does not pass tech, this fee insures that protested driver can have an engine repaired that is legal to race at TCS.

If both engines are illegal, track keeps entire $1700.00 and both cars will be disqualified for that events race.

All engines must run stock cast iron exhaust manifolds, mufflers are not required, no headers. Exhaust pipe extension bust be free and clear of any brake, or fuel lines. Minimum 24inch of extension from the manifold dump.

Throttle body model cars are permitted as long as they are full frame rear wheel drive cars(Ford Crown Vics, Chevy Caprices from the mid 90’s for example)

Throttle body cars may only use this system of fuel delivery, everyone else will be required to use a stock carburetor.

Must have a protection loop behind the fuel tank.

All engines are subject to tear down and confiscation!!!

Wheels and Tires
8 inch Racing wheels permitted, stock steel wheels permitted.

All cars must utilize 1” lug nuts.

15 inch Dot Tires only,  maximum width 60 series, maximum height 255. No cutting of the rear quarter panel wheel wells to accommodate tire size.

May remove plastic wheel well inserts in the front.

No bead locks.

Safety-

All cars must have a racing seat and feature a five-point racing harness for the driver. Minimum 2 inch trap width.

All cars are required to have a window net, no more than 5 years old from the date of manufacture.

All drivers must wear no less than one layer fire suit, racing helmet, gloves and a neck support roll or other neck restraint system.

Race Recievers are mandatory.

All cars must have tow chains mounted to the front and rear bumpers, mounted with grade 8 bolts and secure for track recovery vehicles.

Any part deemed modified or purposed for racing added onto these cars may be confiscated by TCS technical inspectors at anytime!

We reserve the right to bar a driver from competing in Bomber. If that driver in question is deemed to have too much racing experience in a higher class(LM, Mod, SS etc)

Keep it Stock, keep it cheap and keep it fun!
If it doesn’t say you can, you can’t!
Keep It Stock! 

• RELATIONSHIP TO OTHER CLASSES:

These cars are primarily for NEWER drivers to V8 cars. There are a large number of stock parts.

• ELIGIBLE MAKES/MODELS:

Any Chrysler, Ford or GM model car that was / is mass-produced for the United States Market.Check with track before you build.

•  MATERIALS:

No ceramic or carbon fiber parts allowed.

• RADIATOR:

One, mounted in front of the engine for the purpose of cooling water and, optionally, to cool an automatic transmission.

• ENGINE:

Location: Stock location for Make / Model / Year.

Option 1

GM CAP SEALS or GEN-4 Green Crate Racing USA Seals ONLY. If Bolts or Seals are altered, you will be DISQUALIFIED. (Must run 500cfm Holley 2 barrel) If you put a 602 Crate Motor in any other chassis besides GM, contact Tech Man for engine location.

Option 2

NO MORE than 180 lbs compression.

• BLOCK: Stock based, steel, small block not to exceed 362 ci. Must be stock bore (+60 okay) and stroke. NO stroker / hybrids (No 383ci Chevys, No 347 Fords, ect.) All engine casting numbers stamped on the engine must be unaltered.
• CAM: Chain driven. HYDRAULIC OR SOLID ; NO MORE THAN 450 LIFT MEASURED AT INTAKE 
• LIFTERS: Solid or hydraulic. No rollers or mushrooms. No ceramic.
• PISTONS: Dished or Flat. No Domes.
• RODS: OEM length. Example: SBC must be 5.7” I-Beam Rods No 6” rods. No H-Beam rods. May use aftermarket part numbers only  SCAT # 2-ICR5700 OR EAGLE # SIR5700BBLW OR STOCK GM NO H-BEAM OR LIGHTWEIGHT RODS
• HEADS: OEM iron heads. Vortec heads okay, Vortec copy okay. Not to exceed 173 intake runner volume. No Porting or Polishing. OEM style stamped steel rockers. No roller rockers. No roller tipped rockers. Screw in studs and guide plates OKAY. No Porting/ Polishing.
• VALVES: Maximum of 2 valves per cylinder. Max intake is 2.02. Max exhaust is 1.600. 
• CARBURETOR: One carburetor 500 cfm two barrel Holley with stock, unaltered, throttle arm and butterflies. Choke plate may be removed. No Porting or Polishing. MUST PASS GO/NO GO gauge. The accelerator pump squirters may not extend into the area directly above the venturi (Tech Purposes). Recommend Epoxing the boosters for safety. MUST HAVE CHOKE HORN 

CARBURETOR CLAIM: Any car owner of a car in the FEATURE RACE may claim the carburetor of any car finishing ahead of the claimers car, in the FEATURE RACE for $300 and swap of claimers carburetor. Only 1 Claim per year. (Tech Inspector(s) will have final say so if carburetor is in shape to swap).

• INTAKE MANIFOLD:

No Porting / Polishing. OKAY to drill the intake, to mount on Vortec heads. Any cast iron or aluminum intake. Dual Plane Intake ONLY.

• CARBURETOR ADAPTER / SPACER:

No more than 1 adapter and no more than 1 spacer, a combined total of 1” thick. May be Aluminum, Wooden or Plastic. Cannot extend into manifold.

• AIR FILTER HOUSING:

No vacuum lines allowed between the air cleaner and the carburetor. Only one, round, mass produced air cleaner may be used. Maximum size of the element will be 14” in diameter by 4” tall. Air cleaner top and bottom must be made of solid metal. NO PLASTIC AIR HATS.

• IGNITION:

Battery operated. OEM electronic ignition system such as HEI required. Distributor must be mounted in the stock location and maintain the stock firing order. No crank / triggered ignition. No ignition boxes.

• CRANKSHAFT:

OEM crankshaft or OEM replacement cast or steel crankshafts only. Scat #9-10442, Scat #9-10526, Eagle #103523480, Stock stroke. No lighting, no knife edge, no polishing. Must Weigh 48lbs without gear 

• ALTERNATOR:

If used, must be 12 volt and of OEM design.

• HARMONIC BALANCER:

After market to include fluid damper okay.

NUMBER ONE PLUG:

Must be at stock location for make and model. Engine has to be in stock location on frame. ZERO ENGINE SET BACKS.

• STARTER:

Full size or Mini Starter okay. MUST HAVE STARTER.

• WATER PUMP:

After market okay.

• POWER STEERING PUMP:

Stock location. : After market power steering pumps and steering quickeners are okay.

• ACCESSORIES:

Other items must be OEM style but may be after-market items.

• PROHIBITED:

Any titanium or other similar sophisticated lightweight parts. Mounting the engine so that the centerline of the crankshaft is more than 1” from the center point between the 2 top ball joints.

• FUEL:

Racing gasoline OKAY. NO E 85. No aftermarket additives. No cool cans. See the safety rules on the required fuel cell.

• EXHAUST:

Must exit approximately parallel to the ground and not be aimed in the direction of the cockpit. Headers OKAY with 1 5/8 inch primaries and 3” collectors. No over the frame or crossover headers. Each side must include 36” of 2” pipe.

• FLYWHEEL/FLEXPLATE:

OEM steel only. OEM dimensions

• CLUTCH/TRANSMISSION:

Single disc clutch only 10 1⁄2” minimum. No aluminum flywheel. Stock type flywheel to weigh no less than 14lbs., stock type pressure plate no less than 13lbs., stock disc type clutch and flywheel required. Stock torque converter 11” minimum required with automatic transmission. Transmission may have shift kit installed, 1⁄4” steel plate surrounding stock bell housing or blow proof bell housing required. No racing clutches are light flywheels, or small torque converters, or racing torque converters are allowed. Functioning torque converters must weigh 38lbs minimum.

• DRIVE SHAFT:

OEM steel. Universal joints are to be similar in design to OEM units. Minimum drive shaft diameter is 3”.

• REAR END:

Ford 9” OKAY in any make. When using 9” Ford make sure brackets are in stock location. IF any questions about stock location, call track BEFORE you weld brackets on. OEM 5 or 6 lugs OKAY, consider installing C-Clip eliminators or other provisions such as that breaking a rear axle does not cause the axel to come out of the housing.

• BRAKES:

Minimum of 2 rear and 1 front brake. No floating brakes.

One Master Cylinder ONLY. No Brake Dais.

• BATTERY:

May use 2 batteries. If battery is located in drivers compartment it must be in an enclosed battery box and securely fastened. No bungee cords or ratchet straps. NO EXCEPTIONS. Must power the starter and the ignition and any accessories.

• CHASSIS:

OEM for Make / Model / Year of the body.

• WHEEL BASE:

Must be as manufactured for the Make / Model / Year. Minimum Wheel Base 108”. A one-inch tolerance may be allowed at the direction of the Technical Inspector for accident damage the day of race.

• STEERING:

OEM style for Make / Model. No Rack and pinions unless OEM Equipped.

SHOCKS: 

***** effective 2021*****

Steel body shocks, stock mount, non-adjustable shocks. No heim ends allowed

$300 shock claim rule. 

The $300 claim is for all 4 shocks and claiming car must be on the lead lap. Can only claim or be claimed once in a season.

• FRONT SUSPENSION:

Upper A-arm and all steering linkage may be reinforced as long as their identities remain clear. May use stock dimension tubular upper A-Arms must be mounted in stock location on chassis. OEM style and dimensions racing shocks allowed. Shocks MUST use the OEM mounts and remain in their OEM location. NO SCREW JACKS. No Bump Stops or Shock Covers. NO SPRING RUBBERS. NO SPRING BUCKETS. NO CHAINS, NO CABLES, or NO TETHERS allowed anywhere on chassis or suspension.

OEM style and dimension racing springs allowed. Springs must remain in their stock mounts and locations. For coil spring cars you may use 5” springs. Chrysler torsion bar suspension is permitted if it was stock on the year and model designated for the car. No driver adjustable suspension devices permitted. Spindles and lower control arms MUST BE STOCK to the chassis being used. Also, upper control arms, spindles and lower control arms must be in STOCK LOACTION for chassis being used.

NO limiting of suspension up or down 

• REAR SUSPENSION:

OEM. Shocks must use the OEM mounts and remain in their OEM location. NO SCREW JACKS. No Bump Stop or Shock Covers. OEM style and dimension racing springs allowed. NO SPRING RUBBERS. NO SPRING BUCKETS. NO CHAINS, NO CABLES, or NO TETHERS allowed anywhere on chassis or suspension. Springs must remain in their stock mounts and location. Center bolt of the Lower Rear trailing arms can not no more than 2.5 inches from the bottom of the axle tube must be even For coil spring cars you may use 5” springs. Chrysler torsion bar suspension is permitted if it was stock on the year and model designated for the car. OEM design leaf spring setups in which the springs are securely fastened to the rear end are OKAY. No driver adjustable suspension devices permitted. No “Z” links, aftermarket pan hard bars, aftermarket J-bars, torque links, torque arms, damper shocks, fifth coils, ECT. NO limiting of suspension up or down 

• TRACTION CONTROL:

Other than listed under REAR SUSPENSION, no other traction devices are permitted.

• BODY:

MUST HAVE COMPLETE BODY

OEM production body or sheet metal body OKAY MUST LOOK STOCK APPEARING (WE WILL NOT LET THIS GET OUT OF HAND). Complete stock body, unaltered except as stated here. Hoods may be gutted. Firewall can be stock or fabricated and must be in the stock location. No open holes in firewall (seal Penetrations). Maintain the floor from firewall rearward to the leading edge of the trunk. There must be a firewall between the driver’s compartment and the trunk. Car must be sealed at the back of back seat frame work. floor pan and fire walls can be fabricated with the same thickness of steel as stock “ 20 gauge “ and must go from stock frame rail to stock frame rail no aluminum  NO decking allowed, must have open cockpit from firewall to rear firewall. All doors must be welded and / or bolted shut. Doors may be gutted. Install 3 driver’s sidebars, with 1/8” steel plate covering the door bars from front to back and top to bottom welded in place on outside of bars (Strongly Recommended). Install a minimum of 2 right side bars. The frame rails do not count as the door bars. See the safety rules for other items. Front inner panels optional on shock cars, required on strut cars. Trunk lid may be gutted. All glass must be removed. No mirrors. Grill may be replaced with wire mesh. Must have stock bodylines. Must have a metal firewall between driver and fuel cell. No fuel line in driver’s compartment unless contained in conduit / pipe. Fenders may be cut for tire clearance. Front fender well may be removed. The rear of the car must be closed in. Rear of car must have downward slope from back of rear glass to back of trunk lid or tail piece. Rear deck height 40"on hung bodies (minimum 35") CAN BE MEASURED ANY TIME NO TOLERANCES

• NOSE / GRILL:

Aftermarket plastic nose for Make / Model OKAY. Front grill may be removed if such nose is installed. MUST Match Body/ Year Model.

• Hood:

May have an opening for the air cleaner. The claimed engine size must be displayed on each side of the hood reading from the closet side of the car. Use letters at least 3” tall with the length proportional to the height.

• ROOF:

Stock appearing. No spoilers or wings. The left and right edges of the roof are to be approximately the same height from the top of the doors and quarter panels. No more than 1” tolerance. The left and right side support panels for the roof must be the same design and front to back length.

• INTERIOR:

See the section on SAFETY.

No part of the seat may extend rearward past the plane generated by connecting the rear most edges of the doors. Aftermarket GAS pedal OKAY. (May be relocated). Must retain OEM window openings.

• TRUNK LID:

Required. May be gutted. Must be able to be opened.

• REAR BUMPER:

Any Make / Model OEM OK. Fabricated OK if approved by Tech. Ends must be smooth. Must be attached to the frame or roll cage in at least 4 places, 2 on each side of centerline.

• SPOILERS:

Not allowed, PERIOD. (If your car came with one take it OFF).

• WHEELS:

15X8 Steel wheels only. No wide fives. Must mount with at least 5 lug nut design. Mud caps OKAY. Bead Locks OKAY RIGHT SIDE ONLY`.

• TIRES:

Hoosier H500 or 60 Series Radial D.O.T. NO MUD GRIPS. NO GROOVING TIRES. NO CHEMICAL ALTERATION ON TIRES.

• WEIGHT:

All cars must weigh 3200 pounds with driver on board.

ALL BALLAST MUST BE PAINTED WHITE AND HAVE CAR NUMBER ON IT 

ABSOLUTELY NO BALLAST CLAMPED OR BOLTED TO THE REAREND HOUSING 

IF YOU FEEL YOU NEED TO TEST THESE RULES, MAY BE YOU SHOULD START IN STREET STOCK.

GOOD LUCK IN POST RACE INSPECTION