Charger Division
COMPETING MODELS
1970-2012 rear wheel drive cars with a minimum wheelbase of 104” Wheelbase.
CAR BODIES
1. All cars must have a minimum of (2) doors, (2) fenders, (2) rear quarter panels, deck lid, back bumper Cover, roof and hood. Fenders may be plastic, top must be steel, doorsand quarters may be sheet metal. Current LMSC type fiberglass/ plastic bodies must add 30pds extra to right hand side.
2. All bodies must meet roof and spoiler height template specifications.
3. All bodies must be speedway approved. Roof height is 48inchs from 10inchs back from center of windshield.
4. Rocker panels may be fabricated; rocker panels, body height and nose must maintain 4” ground clearance.
5. Front and rear windshields must be full Lexan. Clear Lexan or plexiglass may be
installed in the rear quarter windows. No side windows.
6. Speedway approved window net must be installed in the driver’s side window opening.
7. Max overall spoiler height is 39”
8. Rear spoiler 5” high with maximum 60” width (max 300 square inches).
9. Wrecker hookup required front and rear of car.
FRAME
1. Stock OEM front sub frame with tubing frame connector allowed with complete stock floor pan 3100pds.
2. OEM stock clip must have factory OEM mounting points for weight break. Rear trailing arm mounts may be fabricated. Can be tubed from firewall back 3150pds.
3. Full tube chassis allowed, 50pds bolted in front of firewall, total weight 3200pds.
4. Frame rails minimum 2”x 3”. Weight boxes are legal.
5. Chassis rails must maintain 5” ground clearance with driver.
6. A Steel firewall must separate the driver from the engine compartment and fuel tank.
7. 55% max left side weight.
ROLL CAGE
1. A complete SNMP approved roll cage.
2. Roll cage must be constructed of roll bar tubing with a minimum outside diameter of one and
half 1 ½” inches x .083 wall thickness.
3. Roll cage must be centered on the frame. Perimeter style. (No off set chassis)
4. Main roll cage uprights must be on top of outside frame rails.
5. Full cage is required with four uprights and four top bars.
6. Roll bars may go through front and rear firewalls.
7. Minimum of four bars in driver’s and passenger’s door required.
8. All bars within drivers reach must be padded.
SUSPENSION
1. Adjustable cups allowed on front and rear.
2. Spring spacers or screw jacks may be used on front and rear.
3. OEM type steering box. Aftermarket tie rods, centerlink, idler, pitman arm, allowed.
4. OEM stock spindles required. No cutting or aftermarket allowed. Ball tapers may be drilled. If Spindles are altered from stock the car will be added weight by tech man to be eligible to compete.
5. Lower A-frames must be OEM Design. Lower A-Frames must be same length. Aftermarket lowers can be used but must conform to OEM Design if the car is adding the weight for the fab clip.
6. Upper A-frames may be fabricated.
7. Front sway bar may be OEM or aftermarket. Mounting points may be aftermarket. Sway bar size can be no bigger than 1 ¼ with 1 ¼ ends.
8. Leaf spring and/or coil spring suspension allowed. Slider allowed.
9. Steel rear lower trailing arms required.
10. A fabricated metal top link and track bar allowed.
11. Damper shocks may be used.
12. Rubber bushing, metal bushing, Teflon bushings or heim joints allowed.
13. Lowering blocks and trailing arms may be adjustable.
14. Aftermarket hubs allowed. 5x5 on rear only or similar design
15. No bump stops or travel limits on suspension. No coil binding allowed.
REAR END
1. Rear end may be car, truck, or floater. Quick change allowed (older style no light weight, winters sprinter or tigers).Tubes and axels must be steel. Any ratio. No low drag or polished parts allowed.
2. Detroit Locker, or locked rear end only. No Gleason or Quicktrack
3. No Cambered Rear End Housings. +/- .4 Grace
SPRINGS and SHOCKS
1. Tie rod or spherical end shocks allowed. OEM aftermarket Struts allowed. No coil overs
2. Aftermarket metal body shocks allowed. No at track rebuild able or re-valve able shocks, can be adjustable on way. No canister shocks allowed. Coil springs minimum diameter 5”. No Schrader valves allowed.
3. No composite leaf springs. All cars must compete with type of springs from OEM. If coil, it must be coil. If leaf, it must be leaf. Coil over eliminator allowed only on rear
BRAKES
1. Single piston steel OEM stock brake calipers required. All 4 wheels must work.
2. Steel disc brakes may be used on front and rear.
3. Aftermarket brake and clutch pedal allowed.
4. Dual master cylinder allowed. Any type Brake bias adjusters allowed.
WHEELBASE and TREADWIDTH
1. 104” minimum wheelbase.
2. Cars must not exceed the maximum allowable tread width of 66 inches plus or minus 1/2.
CRATE ENGINE chev#88958602, chev#88958603
1. This Crate engine can be used as all supplied parts from factory manufacture. These engines are subject to teardown procedures and legalities determined by tech.
2. Crate engines are designed to cut the cost of racing. Anyone found tampering with these engines will be fined for each offense and loss of points.
3. 603 and 602 Crate may run a 390 CFM Carb 4bbl per LLM guide lines.
ENGINE
1. Only stock production engines allowed. Chevrolet 362 cubic inch maximum, Ford 358 cubic inch, Chrysler 365 cubic inch.
2. No polishing or coating inside of block.
3. Aftermarket stock length replacement rods allowed.
4. Only solid steel connecting rods permitted. No polishing or machine work will be permitted. Replacement rods may not be lighter than OEM stock rods.
5. Connecting rods must be stock length for make and model of engine used. For Example Chevrolet 350 - 5.7 Rods
6. Flat top or dish 3 ring pistons permitted. Piston must not extend above top of block.
7. Crankshaft with stock stroke must be retained. Minimum weight 50lbs.
8. Crankshaft must not be Knife-edged. No excessive machining or grinding other than balancing. No drilled rod or main journals. Subject to template inspection by Tech Official.
9. Wet sump oil system only.
10. Enlarged oil pan allowed. Kick outs will not be permitted between the bolt holes flange and the top of the added sump. Oil pan 4” minimum ground clearance.
11. No electric fuel pumps allowed.
12. Aftermarket valve covers allowed.
13. Aftermarket pulleys allowed.
HEADS
1. Stock OEM production steel heads only. #062/906 vortec head allowed, No bowtie vortec or RHS allowed.
2.World Products Stock Replacement SR #043600 allowed(EQ Stock replacement is allowed) with a 50 lb. Weight penalty (350 Carb).
3.NO modifications, no porting, polishing. No grinding of any kind. 3 angle valve job ok as per Speedway rule. One cut below valve seat, to bottom of valve guide. Do not radius or blend bottom of cut below valve seat.
4. Chevrolet 58cc minimum; Ford (Clev) 52cc; Ford (Win) 56cc; Chrysler 62cc minimum. Steel valves required. Valve size maximum:
Chevrolet 2.02 intake 1.65 exhaust
Ford Cleveland 2.05 intake 1.65 exhaust
Ford Windsor 1.89 intake 1.60 exhaust
Chrysler 1.90 intake 1.60 exhaust
CAM SHAFT
1. Hydraulic or flat tappet cam and OEM diameter lifters with no maximum lift
2. Any steel type timing chain allowed.
3. Steel retainers required on valve springs.
4. Screw in studs and guide plates permitted with any ratio roller rocker arms allowed.
5. Stud girdles are permitted. Poly lock allowed.
6. 4-7 Swap cam shafts will not be allowed
INTAKE and SPACER
1.Cast Iron two barrel intake or Edelbrock performer aluminum intakes. Chevrolet #2101/ 2116 Ford Windsor #2181, Cleveland #2665, #2750 and Chrysler #2176 or P#4532852. No RPM versions.
2. No porting, polishing, or grinding will be permitted. Do not touch it.
3. Holley #7448 spacer a maximum ¾” metal spacer with 2 holes (max 1 ½ 1.502) centered in spacer with a straight cut. No Bevels. Spacer Gaskets .065 max thickness.
4. Holley #4412 spacer a maximum ¾” metal spacer with 2 holes (max 1.690) centered in spacer with a straight cut. No bevels. Spacer gasket .065 max thickness.
5. All carburetors and spacer plates must meet speedway specifications.
CARBURETOR
Holley 2300 2bbl carburetor model #7448 “350” allowed on built motor or crate.
Holley #4412 2bbl carburetor “500” allowed on “crate engine” only.
Holley 390 4bbl per LLM rules for crate engine
1. Round air cleaner element minimum of 12 inches; maximum of 17 inches.
2. Element must be minimum of 1 ½ “and a maximum of 4 inches in height.
3. Dry type paper element only. No cold air boxes or cowl induction allowed.
4. No tubes, funnels or anything which may control the flow of air are permitted.
5. Air cleaner base must not be above choke horn.
TRANSMISSION and FLYWHEEL ASSEMBLY
1. OEM standard production Automatic, or Manual transmissions only .
2. Heavy duty OEM steel clutch permitted.
3. 7inch mini clutch allowed must be steel.
4. Hydraulic clutch control permitted.
5. Must have steel bell housing that is speedway approved.
6. Drive shaft must be of magnetic steel only ( 2 ¾ min dia). Drive shaft must be painted white with two safety loops attached to the bottom of car.
EXHAUST
1. Headers (4 into 1) will be permitted. No stepped headers. No 180, or crossover allowed.
2. Cast iron manifolds permitted.
3. All LH exhaust must exit behind the driver.
ENGINE LOCATION
1. Engines may be interchanged from one body manufacturer to another.
2. Engine must be centered in chassis. #1 spark plug in line with upper ball joint.
3. Minimum crankshaft height is 12”, from the center of crank pulley to the ground.
COOLING SYSTEM
1. Aluminum radiators permitted. Any radiator allowed.
2. Overflow hose recommended.
3. Antifreeze is not permitted.
ELECTRICAL SYSTEM
1. Electronic or point type OEM ignition allowed.
2. No aftermarket distributors permitted.
3. Only 1 racing coil permitted. (Accell, MSD, etc).
4. Only one 12-volt battery permitted.
5. No MSD ignition box allowed. No adjustable timing controls.
6. No open ended wiring in driver’s compartment.
7. Any type traction devices are not allowed. No computerized systems are allowed.
8. All ignition systems must be acceptable to speedway officials.
FUEL and FUEL SYSTEM
1. Track fuel required. No other mixtures of any kind.
2. All Fuel must pass Speedway Fuel specifications. Fuel must be same color.
3. Fuel cells are recommended. Must be securely strapped down with no less than 1/8” steel straps. Fuel cell must be vented high and to the left side.
4. The maximum capacity allowed is 22 gallons.
5. Fuel cells must have 10” minimum ground clearance.
WHEELS and TIRES
1. Maximum width 10”on all 4. 15” Steel wheels only. No 2in back space allowed
2. Air bleeders will not be permitted. No chemical tire treatment allowed.
3. Hoosier F-45
4. Any car tires from any source other than speedway tire building will be disqualified.
WEIGHT
1. Weight of car must be on back of hood.
2. All cars will be weighed with driver in a driving position.
3. All lead weight must be added to chassis securely.
4. Cars may gas up after race.
5. No tungsten allowed.
AMMENDMENTS
1. These rules are subject to amendments for competition when ample notice has been given by the speedway.
2. Any car that does not conform to the above rules may be allowed to compete with a weight and/or restrictor plate at the tech committee’s discretion.
3. Speedway officials may use professional judgment for any infractions for a competitive race program.