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Beginning of part two of the 2015 rules
Tires and Wheels:
a. 8” steel racing wheels with any offset, no wheel weights.
b. Hubs must have 5/8” wheel studs.
c. Tires must be official series approved tires only.
d. No bleeders.
e. Must can punch no less then 45 at 275 degrees.
*** Track approved tires only. Hoosier R750 – NO SOAKING TIRES !
Brakes: a. Any steel stock style caliper single piston only.
b. All four brakes must be in full working condition.
c. Rear disc brakes are mandatory.
d. Rotors must be steel or cast iron and brake hats may be steel or aluminum.
Transmission:
a. Only GM Turbo 350, Ford C4 or C6, and Chrysler 904 or 727 automatic transmissions allowed with following exceptions. No drilling or lightening on the transmission or interior parts except the following items for oiling purposes. Front Planetary Reaction Gear per spec – see tech for spec sheet. Sun shell cover (must be a solid stock type) may be drilled at back per spec – see tech for spec sheet. ( No big hole sun shells allowed).
b. Must have all forward and reverse gears working. No modifications.
c. GM Turbo 350 may use 2.75 low gear – 1.57 second gear option. No turbo 200/250 parts may be used in 350 transmission.
d. Replacing thrust washers with bearings ok.
e. No aluminum or billet parts allowed in transmission.
f. Removal of Governor ok.
g. Manual shift valve body permitted.
h. Reverse shift pattern ok.
i. Torque convertor must be minimum diameter of 10” and working.
j. Transmission coolers with fans ok. All cooling lines must be steel braided with screw on fittings.
k. Safety Bell Housing and/or flex plate shield ok.
l. Solid output shafts only, no drilled, hollowed shafts. Hollowed shafts are no longer allowed.
m. JW Transmissions, TCI Transmissions or others allowed as long as they meet these rules.
n. Drive shaft: Steel only, must be painted white with truck number on it.
Standard Transmission (No penalty for standard tranny)
1. Standard steel or aluminum 3-speed or 4-speed OEM or OEM style synchronized manual transmissions with non-splined clusters allowed. No magnesium permitted.
2. No 2-speed transmission will be permitted.
3. No gun-drilled main shafts.
4. No internal clutch-type transmissions allowed. Must have external clutch, pressure plate, and flywheel assembly.
5. Transmission must have at minimum two (2) forward and one (1) working reverse gear.
6. Two lever shifter or H-pattern shifter only.
7. No overdrive or under driven transmissions permitted. High gear must be 1 to 1 and no other gear may have a ratio higher than 1.20 to 1.
8. No Rankin-type or cluster-disconnect transmissions allowed.
9. All manual transmissions must have helical gears only. No straight-cut gears allowed.
10. No quick change type transmissions allowed.
Clutch & Flywheel:
1. Standard OEM or OEM-type and size clutch, pressure plate, steel flywheel, and throw-out bearing permitted.
2. Stock Clutch minimum 10” Solid hub clutch ok. Must have pad or full circle.
3. May use heavy-duty replacement pressure plate and disk. No aluminum allowed.
4. No Light Weight Parts: 10,000 RPM etc…
5. All flywheels will be weighed on Track scales. Fly wheel weigh minimum of 14 pounds.
6.Standard transmission must use shatter proof bell housing.
7. After market shifters permitted.
8. 2” hole in bell housing for inspection.
9. 2 drive-shaft safety loops mandatory. Within 15” of front U Joint.
10. Drive shaft must be painted white, add car number. No Aluminum Drive Shafts Allowed. No carbon fiber.
11. May use hydraulic release bearing and push pull slave cylinder.
Engines :
Vacuum Rules
Each truck must have a vacuum port and fitting to check
ZZ4 Crate – 18 Minimum @ 950 rpm
602 Crate – 18 Minimum @ 950 rpm
347Jr Ford – 19 Minimum @ 950 rpm
351 Ford – 13 Minimum @ 950 rpm
360 Dodge – 11 Minimum @ 950 rpm
318 Dodge – 12 Minimum @ 950 rpm
305 Chevy – Check Cam Lift – 474-510
Anything below these vacuums is wrong.
Driver may elect to remove cam to be analyzed, to postpone disqualification.
Engines Built type:
1. Stock cast iron production blocks only. Gm 305, Ford 302,Dodge 318
2. Any questions/concerns regarding the legality of internal parts should be directed to the tech director, prior to racing.
3. Track reserves the right to use weight to penalize violations, equal competition and will do so at their discretion with fairness in mind.
4. Blocks
5. May be studded in mains only, no aftermarket caps, may be four bolt if that was available.
6. Maximum of .060 + .010 wear, no sleeve down blocks
7. All factory casting numbers must remain, may add oil screens and paint block.
8. Minimum deck height on all are .000. That means no part of the piston may come past deck surface.
9. No altering of lifter bore.
10. Blocks must maintain OEM type bearings in the main and cam journals.
Heads: For all brands NON-CRATE
Only factory production, cast iron heads that are OEM for the engine type being used and that produce the factory specified volumes, are permitted.
1. Minimum combustion chamber volumes: Chevy 52cc, Ford 52cc, and Dodge 56cc.
2. No porting, port matching, excessive decking beyond the chamber minimum volume, angle milling, chamber polishing, or grinding allowed.
3. Stainless steel valves are legal.
4. Three angle valve jobs allowed.
5. Any type guide material may be used. The valve guides must be in the stock factory location, angle, and spacing.
6. Valve springs must be of the stock type. No triple, conical, beehives, or progressive springs allowed.
7. Valve stems must be stock height only.
8. Retainers must be steel or chrome-molly steel only. Valve spring retainers must be stock type only. Plus or minus height retainers are allowed.
9. Valve spring keepers must be stock type only. Seven or ten degree locks may be used. No spring cups.
10. All heads must have visible and unaltered casting numbers.
Chevrolet
1. Any stock 305 head # 12558059,#12529180 also allowed. Part number 1023906 head not permitted. Engine quest CH305b allowed.
2. 52 cc minimum
3. Stock valve 1.84 intake/1.50 exhaust. Stainless steel replacement valves permitted.
4. No interior deburring, polishing or hand blending permitted.
5. Studs may be pinned or screw in studs and guide plates ok.
6. Stud girdles ok
7. 1.5 roller rockers ok.
Dodge
1. Dodge Magnum heads up to 97 are ok.
2. Stock 318 heads ok.
3. 56cc minimum
4. 1.84 intake,1.54 exhaust valve size on 318 heads w/ 1.5 roller rockers
5. 1.94 intake,1.54 exhaust valve size on magnum heads w/1.6 roller rockers
6. No interior deburring, polishing or hand blending permitted.
7. Studs may be pinned or screw in studs and guide plates ok.
8. Stud girdles ok
Ford
1. The Ford GT-40, GTP 40 heads or 302 heads ok.
2. 52cc minimum
3. Stock valve 1.84 intake/1.50 exhaust. Stainless steel replacement valves permitted.
4. No interior deburring, polishing or hand blending permitted.
5. Studs may be pinned or screw in studs and guide plates ok.
6. Stud girdles ok
7. 1.6 roller rockers ok.
Intake
1. Chevy # 7101,7116,2116 / Ford # 7121 / Dodge # 7176
2. No porting , polishing or coatings in runners.
3. No milling.
4. Dodge # 7176 may be modified to fit magnum heads.
5. No laser treating or micro holes allowed in intake.
6. Must have vacuum port to hook up vacuum gauge for testing.
Rods
1. Rod length Chevrolet 5.700, Ford 5.090, Chrysler 6.125.
2. No lightening, beam polishing, or exterior machine work allowed on rods, except slight bob weight removal for balancing.
3. OEM or OEM appearing after-market rods permitted, may be floated or press fit pin’s.
4. No aluminum or titanium rod’s.
5. Fasteners engine builders option.
Pistons:
1. Flat top or dished top pistons. No reverse dome or D cup allowed.
2. Wrist pin must remain in OEM position.
3. Cast, forged or hypereutectic ok.
4. No lightweight pin’s
Crankshafts:
1. Only OEM or stock replacement Chevy, Dodge, and Ford cast iron or steel crankshafts are legal with OEM stroke.
2. No O.D. turning, lightening, knife edging, weight polishing, or cross-drilling for weight removal will be allowed, except for “Mallory Metal”, or minimal metal removal for balancing.
3. Any type harmonic dampener or flywheel may be used, SFI approved units encouraged.
4. Minimum weights- Ford 32lbs, Chevy 48lbs, & Dodge 48lbs.
Camshaft:
1. Flat tappet or hydraulic cam, maximum lift .474/.510 duration engine builders option.
2. Lifters stock size hydraulic , anti-pump up or solid.
3. No lightweight push rods allowed. Push rods may be sized to length to fit geometry. No rev-kits, offset rocker arms, roller lifters, light weight lifters, coated lifters, mushroom lifters, or oversize lifters are permitted.
4. Stock or roller timing chains are allowed Torrington Thrust Bearings, to prevent block wear, are legal. No gear to gear or belt drives allowed. Cam thrust-buttons are allowed. Camshaft Degree optional.
CRATE ENGINES:
602 with Holley 650 HP 4150-80541 allowed
603 (ZZ4) runs 500 cfm old style 4412 Carb only
603 Crate engine must follow the Gm Performance parts Technical Manual. If it is not listed don’t do it unless you have spoken to tech and have your rule book signed and carry with you to tech. A tech bulletin will then follow for all racers to see the clarification or change.
602 is totally by the GM manual, repairs etc. no exceptions
1. Option valve springs stock diameter , no double springs max 130 lbs. Comp # 941 is a valid spring.
2. NO 1.6 ROCKERS, Self aligning Stamp Rollers or 1.5 Roller rockers ok but no changing of pushrods.
3. 53CC MINIMUM ON CYLINDER HEAD ON 603
4. 59CC MINIMUM ON CYLINDER HEAD ON 602
5. Deck height .014 minimum
6. MUST MAINTAIN 10.3:1 COMPRESSION RATIO ON 603 AND 9.3:1 ON 602
7. Must use factory intake gasket ,other gaskets engine builders choice , but must maintain compression ratio.
8. May use Cleveite bearings , cannot be coated bearings nor-use undersized bearings. Must be direct replacement bearings
9. All hard parts must be factory GM parts.
10. Fasteners rod, main bolts must be same crate motor type as shipped. Other fasteners option of engine builder except if they were a bolt must remain as a bolt.
11. MAX overbore .030 + .010 for wear. No tolerance over those numbers.
12. When changing head gasket to other than factory gasket push rods may be changed to except hardened push rods. At that time guide plates may be added. No light weight push rods , cannot be adjustable style.
13. Again follow the GM manual.
14. Camshaft must be a stock out of the box camshaft from Gm if you decide to regrind it is wrong.
Cam doctor will be used at any time when the series feels it needs to.
FORD 347JR
1. M6007S347JR MAY USE M6513-BH valve springs this is a beehive spring @ 130# or comp 26918.
2. This engine must follow the Ford Racing Technical Manual.
3. Must maintain 10.3:1 compression ratio (according to new Manual) 4. Minimum deck height .010 +/- .0050
5. Max overbore .040+.010 for wear
6. Fasteners rod, main bolts must be same crate motor type as shipped. Other fasteners option of engine builder except if they were a bolt must remain as a bolt.
FORD 351W
1. May use m6513-bh bearings.
2. Intake to be used must be a Ford m-9024-7351 or performer # 7181 only.
3. 52cc minimum on heads
4. Must maintain 10.3:1 compression ratio
5. Fasteners rod, main bolts must be same crate motor type as shipped. Other fasteners option of engine builder except if they were a bolt must remain as a bolt.
6. Due to several cam combo’s these are the numbers that are legal. M6250-e303 , m6250-x303 and m6250-z3003.
7. Minimum deck height .014
8. Refer to Ford Performance Manual for any other details.
9. Max overbore .030 + .010 for wear
Dodge 318
(Reverts to old FASTRUCK type motor rules)
Dodge 360
1. Refer to Mopar Performance for any other details.
2. Intake manifold p5007381 casting number p4510018
3. 50cc minimum on cylinder heads
4. Must maintain 9.3:1 compression ratio (Compression check max 150 on gauge)
5. Minimum deck height 9.56 +/- .005
6. Max overbore .040+.010 wear
7. Magnum heads use 1.7 rocker ratio 360 heads use 1.6 rockers
8. Fasteners rod, main bolts must be same crate motor type as shipped. Other fasteners option of engine builder except if they were a bolt must remain as a bolt.
Misc All engines:
**** All engines, must have an inspection hole w/plug (minimum 1″) for use of a scope to check crank area. Speak with tech man, for right location.
Carburetor:
1. Carburetor- Holley old style 4412, 500 cfm with a maximum 1.065 spacer/adapter between intake and carburetor. Changing of jets ,power valve, drilling holes in butterflies permitted.
2. Choke horn may be removed.
3. Venturi area must not be altered or reshaped in any way. The casting ring may not be removed. Must remain as produced by the manufacturer.
4. Base plate must not be altered in any way. All openings must be permanently plugged.
5. No additional air to be picked up below the openings of the venturi such as altered gaskets, base plate, or holes drilled into the carburetor.
6. Carburetor Booster: Booster type may not be changed. Booster size and shape must not be altered. Height and location of the booster must remain as manufactured.
7. Throttle shaft must remain stock and may not be thinned or cut in any manner. Screws may be flush with shaft. No other work to screws.
8. 602 Crate can run a Holley 650 HP 4150-80541 gauge legal four barrel. No alterations or modifications, with a maximum 1.065 spacer/seal between intake and carburetor.
Air cleaner
1. Air box optional
2. A round un-altered air cleaner element with a maximum diameter of fourteen (14) inches with a maximum height of four (4) inches is required. All air must be filtered thru this filter.
3. No duct work added to air cleaner.
Fuel system
1. Fuel pump-stock mounted mechanical pump only, brand optional.
2. The fuel cell must be completely enclosed in a magnetic steel container made from no less than 22-gauge magnetic steel.
3. The use of ice, wet or dry, for the purpose of cooling the engine, air cleaner, or fuel system is not allowed.
4. Maximum fuel cell capacity is 22 gallons. Fuel cell must be centered in chassis. Fuel cell frame must maintain a minimum ground clearance of 8-inches without the driver.
5. Replacement of steel fuel lines with steel braided fuel lines is highly recommended.
6. Track Officials reserves the right to test the fuel at any time.
7. No fuel additives
Cooling & Oiling system:
1. Stock type replacement water pump, no electric.
2. Electric fan ok.
3. Radiator- aluminum ok, must have catch can mounted in front of firewall. Recommended to have a overflow hose mounted to right corner of windshield.
4. Water wetter ok, no anti-freeze may be used.
5. Oiling system- must be wet sump system, remote filters permitted, racing pan ok.
6. No two-stage or belt driven oil pumps allowed.
Exhaust:
1. System may not exceed 3” o.d. anywhere.
2. Headers optional, or “up and over” (crossover) headers with a maximum 3” collectors are legal. 3” exhaust pipes the rest of the way out.
3. 180-degree headers ok.
4. Exhaust equalizer “H” and “X” pipes are permitted.
5. All exhaust system must exit past the driver’s compartment. The minimum exhaust system ground clearance is 3 inches.
6. Stepped headers allowed.
7. Iron lung & tri Y headers ok.
Engine location:
1. Must be centered between frame rails, 1” tolerance.
2. Crankshaft height is 12” from center of the crank to the ground. Engine placement is measured from the spark plug (closet to the radiator) centerline to an imaginary line projected between the left and right upper a arm ball joint as follows below:
a. All Chevrolets: 4 inches on the drivers side forward of the ball joint.
b. Fords 1.75 inches on passenger side forward of ball joint.
c. Dodge 1.75 inches on the drivers side forward of ball joint. Minimum 15” of vacuum at 950 RPM
Ignition : as of 6-4-14 -All wiring from the ignition box to the distributor, must be visible for inspection at all times.
a. Battery – Single Battery 12 volt system only.
b. MSD box with chip capability – mandatory. All Crate engine will use a 6300Chip, 302,305,318 will use a 6800 Chip. No crank triggers, No magnetos.
Weight:
602, 603 ZZ4 Crate & M6007S347JR Motors with Factory Seals 2800 lb with 57% left side.
305, 302 & 318 Built Motors 2850 lb with 57% left side
All Open Crate motors – 2900 lb. with 57% left side
*** 602 No weight penalty for 4 bbl.
*** Add 50 lb. for Standard Transmissions
*** These weights, can be adjusted at the series discretion to equalize the competition, with verbal then written notice.
Engine Penalties -
Engine internal – (Cam, Crank, Pistons, etc.)
First Offense – If found illegal by cam doctor, or any other test or tear down, loss of money, loss of points for that race, and a loss of 12 additional points. Parts will be confiscated. Engine must be resealed by the engine builder. Driver must start in the rear of the next 2 events the truck runs.
2nd Offense – Loss of all points for the season. Engine can be confiscated, You are done for the season.
Other infractions such as carb, ignition, trans etc. – loss of points for the event. Must start in the rear at the next event you run.
Please be sure you have read and understand all these rules, if you do not please be sure to ask a Track Official for clarification. Not understanding the rules is not an excuse to break them. The word stock, used within the rules, means as originally produced by the manufacturer for that make/model/ and/or year of the truck. It is stock with no altering or modifications. Aftermarket parts must be same dimensions, weight, and/or volume as the OEM part. Determination of whether anything is legal will be the tech and Track Officials decision. No Carbon Fiber or Titanium permitted anywhere in the truck. No Traction control devices of any kind allowed. If it does not say you can do it, you probably can’t. Talk to the Tech Director if you have any questions. Do not assume anything.
These weights can be adjusted at the Tech Director and Track Management’s discretion to equalize the competition, with notice.
All Engine Builders must supply to the Tech Director a build sheet on their motors Management. for reference. These will be kept only by the Tech Director and Track Management.
RULE BOOK DISCLAIMER
The rules and/or regulations set forth herein are designed to provide for the orderly conduct of racing events and to establish minimum acceptable requirements for such events. These rules shall govern the condition of all events, and by participating in these events, all participants are deemed to have complied with these rules. NO EXPRESS OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM THE PUBLICATION OF OR COMPLIANCE WITH THESE RULES AND/OR REGULATIONS. They are intended entirely as a guide for the conduct of the sport and in no way guarantee against injury or death to any participant, spectator or official. The race director or Head Tech Inspector shall be empowered to permit reasonable and appropriate deviation from any of the specifications herein or impose any further restrictions that in their opinion do not alter the minimum acceptable requirements. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM SUCH ALTERATIONS OR DEVIATIONS. Any interpretation or deviation of these rules is left to the discretion of the officials and is final and binding. On occasion when situations arise that are not covered by written rules herein, special rulings may be put into effect by the track officials. Once such rulings are acted upon, they may become an act of policy and will be added to the existing rules of procedures.
If you have any question call 813-817-7223[/B]
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