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 EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM PUBLICATIONS OF OR COMPLIANCE WITH THESE RULES AND/OR REGULATIONS. They are intended as a guide for the conduct of the sport and are in no way a guarantee against injury or death to a participant, spectator or official.

The race director shall be empowered to permit reasonable and appropriate deviation from any of the specifications herein or impose any further restrictions that in his/her opinion does not alter the minimum acceptable requirements. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM SUCH ALTERATION OF SPECIFICATIONS.  Any interpretation or deviation of these rules is left to the discretion of the officials. Their decision is final.




  1.  Lucas Oil, SAS Body Rules Apply

  2.  Deck height can be no taller than 38 inches at any time

  3.  Max. 8 inch spoiler by 72 inch, measured 8 inch of material

  4. Factory appearing fiberglass tops allowed.


  1.  Any full fabricated frame, 2x2, 2x3, 1 ¾ square or round tubing or Camaro clip allowed.

  2.  Min. Wheel base 103 inches


  1.  Lucas Oil suspension rules will apply.

  2.  Max. Engine set back is 6 inches measured at number 1 plug to top ball joint.

  3.  Any aluminum calipers and any steel rotor no less than .810 thick, no single fin or exotic type allowed.

  4.  Any drive shaft.


  1.  Any steel or aluminum oil shock allowed. 

  2.  One shock per wheel and lift arm.

  3.  NO dummy or traction shocks allowed in front of rearend.

  4.  $150.00 buy rule on any shock on car only.

  5.  NO gas shocks allowed.

  6.  NO double stack spring combinations of any kind.

  7.  NO adjustable, canister or schrader valve shocks allowed.

  8. One spring per wheel and lift arm only. NO double stack spring combinations of any kind.

  9.  Only one shock can be claimed per night. Coil over kit not included. Claim must be done at scales after feature and specified what corner of being claimed.

  10.  Refusal will result in disqualification.

  11. All suspension parts must be steel or aluminum, no titanium parts allowed.

  12. Any steel or aluminum quick change allowed.

  13. Any transmission allowed.

  14. Reverse bell housings allowed.

  15. Any block mounted or rear drive power steering pump only allowed

  16. Any fuel cell allowed, must be encased in no less than 22 gauge steel with 2 straps 1 1/16 x 2 inch completely surrounding the top and bottom.


  1. E-85 or racing gas only.

*Fuel samples will be taken.


  1. Fronts – Open.

  2. Rears – AR 56/Equivalent or Hoosier 1600/Equivalent. Must be shoulder plated and must punch 50 at any time, NO tolerance.

  3. 602 and O.E.M. style heads can run a Hoosier 1350/21 or AR 48 on left rear only.

  4. NO chemical treatment inside or out of any kind.

  5. Any 14 inch aluminum wheel allowed.

*Tire samples will be taken.


  • 2400 LBS

Option 1. 362 cubic inch or a 604 sealed crate.

  • 2250 LBS

Option 2. 602 unsealed crate, or 362 cubic inch with O.E.M. type heads

  • 2200 LBS 

Option 3. Any factory sealed 602 crate, must meet ALL GM specifications intake to oil pan with GM seals.

OPTION 1. MAX 362 cubic inch and 604 crate.

  1.  Any steel O.E.M. block, max. 362 cubic inch.

  2.  Any steel crank, 3.480 stroke, +/- .200 Min 48 ld.

  3.  Any steel rod allowed, NO titanium or aluminum.

  4.  Any flat top piston, NO dome pistons allowed.

  5.  Solid lift cam and lifters only.

  6.  Any valve springs.

  7.  Roller cam add 50 lbs.

  8.  Any steel (no aluminum) aftermarket 23 degrees head, one degree tolerance, NO raised runners allowed, NO porting or polishing, grinding, angle milling allowed whatsoever, max. Valves 2.02/1.6, stainless steel valves only. NO cc rule.

  9.  Factory style one pc. Aluminum intake allowed.

10.Any 4 barrel carburetor allowed.

11.Any MSD style ignition allowed, no traction

      Control or stutter boxes allowed.

12.NO Tri-Y Headers.

13.No external oil pumps or coolers.

14.NO rear mounted power steering pumps

      Allowed of any kind.

15.NO titanium parts of any kind.


  1.  Any sealed or unsealed 604 crate engine 2400 lbs.

  2.  Factory seals are not required but must MEET all GM specs including cam, bore, stroke, heads, rocker arms, etc. Protested engine will be impounded and subject to the same protest rule as the NeSmith crate rules, engine will be impounded and taken to a qualified person and must meet all factory specifications.

OPTION 2: 602 unsealed Crate or 362 cubic inch with Any O.E.M. Type Heads

WEIGHT: 2250 lbs.

  1.  Any 602 unsealed crate engine, THE BOTTOM END MUST REMAIN 602. The heads must have O.E.M casting numbers but intake and rocker arms can be changed.

  2.  Same bottom end as the 362 cubic inch rule except heads.

  3. Heads must be steel O.E.M. 23 degrees. (Plus or minus 1 degree.) Must have GM NUMBERS in castings.

  4. Port and polishing allowed.

  5.  Any steel valve Max 2.02/1.6.

  6.  O.E.M. factory vortex allowed.

  7.  NO Dart, Bowtie, RHS, etc. Factory replacement type heads allowed.

OPTION 3 : 602 sealed from gm and must meet gm specifications.

weight: 2200 Lbs. ​


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Spring City , TN