2025 Charger Rules Caraway Speedway
COMPETING MODELS
1970 & Newer rear wheel drive body cars with a minimum wheelbase of 104” Wheelbase.
CAR BODIES
1. All cars must have a minimum of (2) doors, (2) rear quarter panels, deck lid, bumper cover, roof and hood. The body may be metal, plastic, or composite.
2. All bodies must meet roof and spoiler height template specifications.
3. All bodies must be approved by speedway.
4. All cars must be painted and lettered professionally.
5. Rocker panels may be fabricated but must maintain 4” ground clearance.
5A. If side skirts are lower than four (4) inches, the side skirt must be notched to allow Caraway Speedway Officials the ability to check frame height.
6. Front windshields are mandatory. Approved Lexan/polycarbonate windshields allowed. Back
window optional. Clear Lexan or plexiglass may be installed in the rear quarter windows.
No side windows.
7. Speedway approved window net must be installed in the driver’s side window opening.
8. On older approved bodies, a Rear spoiler with a maximum height of 5” with a maximum
width of 60” inches (max 300 square inches) are allowed. On new style approved
bodies, a rear spoiler with a maximum height of 6-1/2” with a maximum width of 60”
(390 square inches) is allowed. NO mixing of spoilers between older and newer bodies
permitted.
9. Wrecker hookup required front and rear of the car.
FRAME
1. Stock OEM front sub frame with tubing frame connector allowed.
2. OEM stock clips must have factory OEM mounting points for weight break. Rear trailing arm
mounts may be fabricated.
3. Fabricated clip and lowers allowed with weight penalty.
4. Frame rail min 2”x 3”. Minimum 3-inch Cross member, Oil Pan, and Exhaust Clearance.
5. Chassis rails must maintain 4” ground clearance with the driver.
6. A Steel firewall must separate the driver from the engine compartment and fuel tank.
ROLL CAGE
1. A complete speedway approved roll cage.
2. Roll cage must be constructed of roll bar tubing with a minimum outside diameter of 1-3/4
inches x .090 wall thickness.
3. Roll cage must be centered on the frame. Perimeter style.
4. Main roll cage uprights must be on top of outside frame rails.
5. A full cage is required with four uprights and four top bars.
6. Roll bars may go through the front and rear firewalls.
7. A minimum of four bars in the driver’s and passenger’s door is required.
8. All bars within drivers reach must be padded.
9. Perimeter Style Chassis Only.
SUSPENSION
1. Adjustable cups allowed on front and rear.
2. Spring spacers, coil over eliminators, or screw jacks may be used on front and rear.
3. OEM type steering box. Aftermarket tie rods, center link, idler, and pitman arm allowed.
NO BILLET center links permitted.
5. Lower A-frames must be OEM Design. Lower A-Frames must be the same length. Aftermarket
lowers can be used but must conform to OEM Design. Aftermarket Spindles Allowed.
6. Upper A-frames may be fabricated.
7. The front sway bar may be OEM or aftermarket. Mounting points may be aftermarket.
8. Leaf spring and/or coil spring suspension 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 or 5×5 design hubs allowed. Wide 5 and Coil overs allowed.
REAR END
1. a 9-inch rear end may be a car, truck, or floater. Any ratio. A standard quick change will be
allowed. No Cambered Rear End Housings. +/- .4
2. Detroit Locker, or Locked Rear End Units only.
SPRINGS and SHOCKS
1. Tie rod or spherical end shocks allowed. Maximum rod end length on any approved shock is
2-1/2 inches. All four shocks must have the same length rod end on both ends. OEM
aftermarket Struts allowed.
2. The following Non-Adjustable, oiled filled shocks are approved for competition: AFCO 11 or
13 series, pro A or AR1 series, QA1 63 series,
2A.Note: If you have a comparable non-adjustable shock you would like to run, you must
present it to the competition director for clarification on whether it will be approved for
competition.
2B.The following non-adjustable, gas pressurized shocks will be approved for competition with
a 25lb right side weight penalty: Penske 7500 series, and Bilstein ASN series.
(NO ADVANCED, JRI, OR OHLINS, ETC. ALLOWED)
2C.The Koni 30 series single adjustable shocks are approved for competition with no weight
penalty. Shocks must be the same size from top to bottom excluding threads.
3. Schrader valves allowed.
3A. Canister shocks allowed with the 150 lb penalty.
4. Coil springs minimum diameter 5”. If Running Coil Over eliminators must have 5″ min spring.
Coil Overs Allowed. No more than one (1) spring unloader/spacer per corner is
permitted.
5. Coil over eliminator allowed. No Coil Binding or Travel Limiting devices. No Bump stops
6. Shocks may be claimed for $300 per shock excluding hardware.
7. A claim must be made no longer than 10 minutes after the checkered flag falls.
8. Driver must finish on the lead lap in the top five positions and may claim shocks from a car
finishing in front of the driver/car owner making the claim.
9. A driver or Owner may claim. Must claim the two front shocks, two rear shocks or all four
shocks. No mixing front & rear on a claim.
10. Claims must be made in CASH and presented to the head tech man before the 10 minutes is
up.
11. If the driver or owner refuses the claim the driver will be Disqualified with no pay.
BRAKES
1. Single piston (LSMC Style) Metal brake calipers required. Brakes on all 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 of Brake bias adjusters allowed.
WHEELBASE and TREAD WIDTH
1. 101” minimum wheelbase.
2. Cars must not exceed the maximum allowable tread width of 65 ½ inches.
CRATE ENGINE
chev#8602 may run a 650-cfm carburetor, chev#8603 may run a 390 4 Barrel carb. A chev#8604 crate engine will be allowed to run up to a 450 2-barrel carb.
1. This Crate engine can be used as all supplied parts from factory manufacturer. These engines
are subject to teardown procedures and legalities determined by Caraway Speedway
Officials. Aftermarket HEI distributor and Cap, Aftermarket valve covers may be changed. The
Ford 347jr allowed to compete with a 390 cfm four-barrel carburetor with NO spacer plate.
1.6 rockers are approved for the GM Crate engines only.
These engine rules have been tested and proven to be competitive and as equal as
possible, the staff at Caraway Speedway has leaned heavily on these rules, most of which
have been tested and proven by the staff at Dillon Motor Speedway and are considered
to be “up to date” Make sure the engine is legal or it will be caught.
2. Caraway Speedway reserves the right to claim any Crate Engine that competes at Caraway
Speedway. Caraway Speedway Officials may trade a new Crate Engine of the same part
number for the one in the race car at the completion of an event at Caraway Speedway!
If the Claim is denied the Car Owner will be subject to penalty and a fine!
3. Crate engines are designed to cut the cost of racing. Anyone found tampering with these
engines will be fined up to $1000.00 for each offense and loss of points.
4. Crate Motors are a great application for Local Racing if the competitor will leave them alone.
Run them as supplied from the factory to ensure legality. Contact Caraway Speedway Officials
if you need clarification to this rule.
BUILT DMS ENGINE: may run up to a 500 2 Barrel Carb
1. Only stock production engines allowed. Chevrolet 350 cubic inch maximum, Ford 351 cubic.
MASS Street Stock Engine Combinations Allowed per MASS Rulebook. inch, Chrysler 360
cubic inch plus overbore.
2. No polishing or coating inside of the block.
3. Overbore of .060 + normal wear permitted.
4. Aftermarket replacement rods allowed.
5. Replacement rods may not be lighter than OEM stock rods.
6. Only solid steel connecting rods permitted. No polishing or machine work will be permitted.
7. Solid steel connecting rods may not be lighter than stock.
8. Flat top or dish 3 ring pistons permitted. Piston must not extend above the top of the block.
9. Crankshaft with stock stroke must be retained. Minimum weight 50lbs.
10. 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.
11. Wet sump oil system only.
12. 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.
13. No electric fuel pumps allowed.
14. Aftermarket valve covers allowed. Aftermarket pulleys allowed.
15. Engines under 310 cubic inch may be allowed a 390 4 barrel. Check with series officials
HEADS
1. Stock OEM production steel heads only. No Vortec heads on the built engine.
2. Stock Replacement or SR Head allowed with a 50lb. penalty
3. NO modifications, no porting, polishing, or angle milling. 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. Chevy 70cc min; Ford (Cleveland.) 68cc; Ford (Win) 58cc; Chrysler 68cc min; Chev 62 cc. OEM
valve size for cylinder head required. Steel valves required. Valve size maximum:
Chevrolet 1.94 intake 1.50 exhaust
Ford Cleveland 2.05 intake 1.65 exhaust
Ford Windsor 1.89 intake 1.60 exhaust
Chrysler 1.90 intake 1.60 exhaust
Any head other than those described above must be submitted to Caraway Speedway Officials for approval. Do not consider any such variance from the regular rules as permanent.
CAM SHAFT
1. Hydraulic or flat tappet cam and OEM diameter lifters with a maximum lift of Chev .480,
Ford .512 Dodge .500 at valve with valve lash as ran in race. Lift will be measured at the
retainer.
2. Any steel type timing chain allowed.
3. OEM or Aftermarket Valve Springs will be allowed on built engines.
4. Screw in studs and guide plates permitted with any ratio roller rocker arms allowed.
5. Stud girdles are permitted. Poly lock allowed.
INTAKE and SPACER
1. Cast Iron two-barrel intake or Edelbrock performer aluminum intakes. Chevrolet #2101
Ford Windsor #2181, Cleveland #2665, #2750 and Chrysler #2176 or P#4532852.
2. No high-performance intake manifolds permitted. Intakes must be speedway approved.
3. No porting, polishing, or grinding will be permitted. Do not touch it.
4. Holley #7448 spacer a maximum ¾” metal spacer No Bevels. Spacer Gaskets .065 max
thickness. Must not be coated.
5. 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. Must not be
coated.
6. Crate Motors may run up to a 1-inch-thick aluminum spacer with no bevels. Must not be
coated. All carburetors and spacer plates must meet speedway specifications. Ford 347jr
allowed to compete with NO spacer.
CARBURETOR
Up to a 650-cfm carburetor on the 602-crate engine only. Up To A 390 4 Barrel Carb or Up to A 500 2 Barrel Carb on 603 Crate Engine. A DMS Built Engine Can Run Up to A 500 2 Barrel.
A LMSC (Steel Head) Engine and 604 Crate Engine may run up to a Holley 2bbl carb “450”.
A “450 carb adapter blend ring 3/8”
500 cfm carburetor with the Orange County spacer plate is considered the same as the “450” per the Caraway rule book.
See below for rework guidelines:
1. No polishing, grinding or machine work allowed on any part of the carburetor.
2. No alterations except choke hardware may be removed and all vacuum ports must be plugged
in. Any bowl or metering block may be used. Base plate must not be altered in shape or size.
3. Boosters may not be altered in any manner including size, shape, or height of model #.
4. Any attempt to pull outside air other than through the Venturi is not permitted.
AIR CLEANER
1. Round air cleaner element minimum of 12 inches; maximum of 17 inches.
2. Element must be a 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. The air cleaner base must not be above the choke horn.
TRANSMISSION and FLYWHEEL ASSEMBLY
1. OEM standard production Automatic, Manual transmissions permitted.
2. OEM Steel Clutch and Flywheel over 33 lbs. receives a 50-pound weight break.
3. A 7 1/4 Multi Disk Clutch is allowed as base weight. A 5 1/2 Multi Disc Clutch will be allowed.
OEM Clutch and Flywheel will receive a 50-pound weight break.
4. Hydraulic clutch control permitted.
5. Must have steel bell housing that is speedway approved.
6. The drive shaft must be of magnetic steel only. The drive shaft must be painted white with
two safety loops attached to the bottom of the car.
EXHAUST
1. Regular Headers (4 into 1) will be permitted. No stepped headers. No 180 allowed.
2. Cast iron manifolds permitted.
3. All LH exhaust pipes must exit behind the driver.
ENGINE LOCATION
1. Engines may be interchanged from one body manufacturer to another.
2. Engine must be centered in the chassis. #1 spark plug in line with the upper ball joint. Ford
max 2 inches back from #1 spark plug
3. Minimum crankshaft height is 12”, from the center of the crank pulley to the ground. Engine
and header pipe clearance must be a min height of three inches (3 inch) with the driver.
COOLING SYSTEM
1. Aluminum radiators permitted. Any radiator allowed.
2. Overflow hose recommended. Must exit at the base of the windshield on the passenger side.
3. Antifreeze is not permitted.
ELECTRICAL SYSTEM
1. HEI Ignition or MSD Ignition allowed. No Micron Tach or 16v systems permitted.
2. Aftermarket or OEM HEI distributors permitted. All Distributors can be locked up or welded in
Crate or Built.
3. Only 1 coil permitted.
4. Only one 12-volt battery is permitted.
5. No adjustable timing controls.
6. No open-ended wiring in the driver’s compartment.
7. 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. Race fuel required. No other mixtures of any kind.
2. All Fuel must pass Speedway Fuel specifications. Fuel must be the 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 8” minimum ground clearance.
6. There is a five (5) gallon minimum fuel purchase required per event from the fuel dealer on site.
WHEELS and TIRES
1. Maximum width 10” on all 4. 15” Steel wheels only.
2. Air bleeders will not be permitted. No chemical tire treatment allowed.
3. Tires used for qualifying and race must be approved by the speedway.
4. Any car tires from any source other than speedway tire building will be disqualified.
5. Hoosier Scuffed F-45 marked by Caraway Speedway Officials from Caraway Speedway tire dealer required.
WEIGHT
3100 pounds base weight with driver. No tungsten allowed.
Cars With OEM Front Clip and OEM Floorboard Chassis receive 100lb weight break
5×5 Equipped Cars receive 50lb weight break.
55% left side maximum weight percentage on all cars.
A decal declaring overall weight and reason for any reduction/addition to overall minimum weight of 3,100 pounds, must be on the back of hood.
World Products Heads must add 50 pounds.
All cars will be weighed with the driver in a driving position. Cars may gas up after a race.
All additional lead weights must be painted white with car numbers and bolted securely to the chassis.
603 Crate engine equipped cars get a 100-pound weight break.
70 cc DMS Built engine equipped cars get a 50-pound weight break.
Any car that runs a 350 carb on any motor combination receives a 100-pound weight break.
Canister Shocks allowed with a 150-pound total weight penalty. This means one (1) or more shocks. Not per shock.
AMENDMENTS:
1. These rules are subject to amendments for competition when ample notice has been given by
the speedway. Any car that does not conform to the above rules may be allowed to compete
with a weight and/or restrictor plate at the discretion of Caraway Speedway Officials. This
decision can be made at any time to give someone a chance to race at Caraway Speedway.
Do not consider any such variance from the regular rules as permanent.
Head Tech Officials decision on weight penalty is Final!
2. 602 crate Engine may run up to a 650 cfm Carburetor. Up to A 390 4 Barrel Carb or Up to A
500 2 Barrel Allowed on 603 Crate Engines. Up to A 500 2 Barrel Built on DMS 70 cc Engines
are allowed. LMSC (Steel Head) Built Engines, 604 crate or DMS Built with Less than 62cc
heads engines may run up to a Holley 2bbl 450 Carb. 500 cfm carburetor with the Orange
County spacer plate is considered the same as the “450” per the Caraway rule book.
If You decide to run a 350 carb on any motor combination you can have a 100 lb. weight break
or trade for canister non same size shocks but not both. Tech Man Decision is FINAL!
Your weight must be written on the back of the hood.
****ANY RULES YOU DO NOT UNDERSTAND OR YOU NEED CLARIFICATION, PLEASE CONTACT SPEEDWAY OFFICALS****
WEIGHT CARBURATOR CHART
Chevy 602 Crate -runs with a 650 or 390 carb at 3100 pounds.
Chevy 603 Crate-runs with a 390 carb at 3000 pounds
Chevy 604 Crate -runs with a “450” carb at 3100 pounds.
Ford 347 JR. Crate- Runs with a 390 Carb at 3000 pounds.
DMS BUILT ENGINES (70CC)-runs with a 500 carb at 3050 pounds.
DMS BUILT ENGINES (less than 62cc)-runs with a “450” carb at 3100 pounds.
LMSC BUILT ENGINES STEEL HEAD)-runs with a “450” carb at 3100 pounds.
55% left side maximum weight percentage on all cars.
The above is base weight with the following exceptions:
1.Any car with a 350 carb receives a 100-pound weight brake
2. Cars with OEM Front Clip and OEM Floorboard Chassis receive 100-pound weight break
3. 5×5 Equipped Cars receive a 50-pound weight break.
4. World Products Heads must add 50 pounds
5. Canister Shocks allowed with a 150-pound total weight penalty.