dirtracer1
05-18-2006, 11:26 PM
MINI-STOCK RULES
2006 PURE STOCK FOUR CYLINDER RULES
BODY AND CHASSIS SPECS
1. Any stock appearing metal bodied four cylinder car or truck -- 1965 through current year.
2. You may run fabricated doors and front fenders, but they must appear stock and be
securely fastened. Doors and fenders must be steel or aluminum. The roof, roof post, and rear
quarter panels must be stock. This means no modification.
3. Stock appearing bumpers -- front and rear. After market nose piece allowed. MUST
MATCH MAKE OF CAR. (If available).
4. Entire floor pan and firewall must be in one piece. FLOOR PAN MUST NOT BE CUT.
5. Boxed-in interiors permitted behind the driver’s seat, but must have a removable inspection
panel on the right side. Do not box-in the area beside the driver’s compartment.
6. The front firewall must have all openings covered incase of fire or fluid leak in the engine
compartment. The rear firewall must be covered with sheet metal or aluminum to separate the
driver’s compartment from the fuel cell area, but the existing firewall must remain intact. Do
not gut the inner trunk, leave as much as possible.
7. A fuel cell is mandatory. It must be in a steel container and properly fastened.
8. The battery must be securely braced and separated from the driver.
9. The front, main, and rear chassis rails must remain in the car, but you may run tubing on
the top of the rails to secure the roll cage. The front and rear chassis rails may be replaced
with tubing, if damaged. The sway bar may be connected to this tubing, but no other
suspension components.
10. You may tie the unitized body together. Absolutely no bracing under the car.
11. All cars must maintain the stock wheel base. Rear wheel drive cars only.
12. Must have make of car on the right side and C.C. on the hood or front fenders.
13. Rear spoiler height is six inches maximum on top of the trunk lid. No side spoilers. No roof
mounted spoilers.
14. Windshield is optional, if removed, you must have three bars on the driver’s side, along
with protective screen. No front side door windows allowed. You may fill-in rear side openings,
if applicable. All other glass must be removed
15. Remove all the plastic and trim that could cause debris from getting in the track.
16. Cars must weigh one pound per C.C. with the driver after the race. 2000 lbs minimum and
2400 C.C. maximum.
ENGINE SPECS
17. Engine must be in stock location, this means stock height and set back. You may run solid
motor mounts, but they must be stock size.
18. No decking allowed on the block, must be factory production steel block. All components
of the engine must be stock production for the serial number of the block, unless otherwise
specified.
19. Must run a stock oil pan. May relocate oil filter. No oil cooler.
20. Engine may be balanced, but no stroking or de-stroking of the engine. Engine can be
bored to the maximum C.C.
21. Stock crankshaft and rods. No knife cutting, polishing, or lightening of any kind.
22. Stock type pistons only. OEM type after market permitted.
23. Stock type clutch and flywheel. May surface only.
24. Stock production head and intake. No porting or polishing. No spacer between the head
and the intake. No fuel injected parts of any kind. No factory dual plug heads. One spark plug
and two valves per cylinder maximum.
25. Stock size valves -- no cutting for valve springs. No after market double valve springs.
May use factory stock double valve springs.
26. No cutting the lifter boss, for the purpose of making a solid lifter. No lash caps.
27. After market timing gear allowed to match cam key type. No external adjuster. No roller
cam or rockers. Must run factory stock lifters. 450 maximum lift cam.
28. Must use cast-iron exhaust manifold. Mufflers must be used.
29. May run a stock carburetor or Holley 500 CFM (4412). On the Holley, no modification
except for choke housing. MUST PASS THE TRACK TOOL.
30. Maximum one inch spacer allowed to fit the carburetor to the intake, with the Holley
carburetor. Electric fuel pump permitted.
31. Must run a stock distributor and factory stock ignition system. No magneto and no dual
point distributor.
32. Transmission and differential -- stock manufactured. Locked rear end permitted.
Transmission must have all forward and reverse working gears.
33. All cars must have a scatter shield and/or approved bell housing.
SUSPENSION SPECS
34. Shims allowed on rear coil springs only. Lowering blocks permitted.
35. Shocks must bolt in the stock position. No adjustable shocks.
36. Springs must be located in the stock position. You may run after market springs, but you
may not modify the spring bucket in any way. No coil springs attached to the shock.
37. No screw jacks, wedge bolts, or adjuster cups. No shackles. No adjusters of any kind.
38. Strut cars must run stock or OEM replacement components, may brace top of tower.
39. Stock front and rear sway bars only, no adding of additional devices. No adjuster allowed.
40. Any steel wheel 8”W maximum. One inch lug nuts recommended. No bead locks. No
wheel flares. Safety beads recommended.
41. Racing fuel only. No alcohol. No additives.
42. Cars will be inspected. Track official has the final approval.
43. A tire rule will be enforced. --- D.O.T. approved street radials. Any size.
2006 PURE STOCK FOUR CYLINDER RULES
BODY AND CHASSIS SPECS
1. Any stock appearing metal bodied four cylinder car or truck -- 1965 through current year.
2. You may run fabricated doors and front fenders, but they must appear stock and be
securely fastened. Doors and fenders must be steel or aluminum. The roof, roof post, and rear
quarter panels must be stock. This means no modification.
3. Stock appearing bumpers -- front and rear. After market nose piece allowed. MUST
MATCH MAKE OF CAR. (If available).
4. Entire floor pan and firewall must be in one piece. FLOOR PAN MUST NOT BE CUT.
5. Boxed-in interiors permitted behind the driver’s seat, but must have a removable inspection
panel on the right side. Do not box-in the area beside the driver’s compartment.
6. The front firewall must have all openings covered incase of fire or fluid leak in the engine
compartment. The rear firewall must be covered with sheet metal or aluminum to separate the
driver’s compartment from the fuel cell area, but the existing firewall must remain intact. Do
not gut the inner trunk, leave as much as possible.
7. A fuel cell is mandatory. It must be in a steel container and properly fastened.
8. The battery must be securely braced and separated from the driver.
9. The front, main, and rear chassis rails must remain in the car, but you may run tubing on
the top of the rails to secure the roll cage. The front and rear chassis rails may be replaced
with tubing, if damaged. The sway bar may be connected to this tubing, but no other
suspension components.
10. You may tie the unitized body together. Absolutely no bracing under the car.
11. All cars must maintain the stock wheel base. Rear wheel drive cars only.
12. Must have make of car on the right side and C.C. on the hood or front fenders.
13. Rear spoiler height is six inches maximum on top of the trunk lid. No side spoilers. No roof
mounted spoilers.
14. Windshield is optional, if removed, you must have three bars on the driver’s side, along
with protective screen. No front side door windows allowed. You may fill-in rear side openings,
if applicable. All other glass must be removed
15. Remove all the plastic and trim that could cause debris from getting in the track.
16. Cars must weigh one pound per C.C. with the driver after the race. 2000 lbs minimum and
2400 C.C. maximum.
ENGINE SPECS
17. Engine must be in stock location, this means stock height and set back. You may run solid
motor mounts, but they must be stock size.
18. No decking allowed on the block, must be factory production steel block. All components
of the engine must be stock production for the serial number of the block, unless otherwise
specified.
19. Must run a stock oil pan. May relocate oil filter. No oil cooler.
20. Engine may be balanced, but no stroking or de-stroking of the engine. Engine can be
bored to the maximum C.C.
21. Stock crankshaft and rods. No knife cutting, polishing, or lightening of any kind.
22. Stock type pistons only. OEM type after market permitted.
23. Stock type clutch and flywheel. May surface only.
24. Stock production head and intake. No porting or polishing. No spacer between the head
and the intake. No fuel injected parts of any kind. No factory dual plug heads. One spark plug
and two valves per cylinder maximum.
25. Stock size valves -- no cutting for valve springs. No after market double valve springs.
May use factory stock double valve springs.
26. No cutting the lifter boss, for the purpose of making a solid lifter. No lash caps.
27. After market timing gear allowed to match cam key type. No external adjuster. No roller
cam or rockers. Must run factory stock lifters. 450 maximum lift cam.
28. Must use cast-iron exhaust manifold. Mufflers must be used.
29. May run a stock carburetor or Holley 500 CFM (4412). On the Holley, no modification
except for choke housing. MUST PASS THE TRACK TOOL.
30. Maximum one inch spacer allowed to fit the carburetor to the intake, with the Holley
carburetor. Electric fuel pump permitted.
31. Must run a stock distributor and factory stock ignition system. No magneto and no dual
point distributor.
32. Transmission and differential -- stock manufactured. Locked rear end permitted.
Transmission must have all forward and reverse working gears.
33. All cars must have a scatter shield and/or approved bell housing.
SUSPENSION SPECS
34. Shims allowed on rear coil springs only. Lowering blocks permitted.
35. Shocks must bolt in the stock position. No adjustable shocks.
36. Springs must be located in the stock position. You may run after market springs, but you
may not modify the spring bucket in any way. No coil springs attached to the shock.
37. No screw jacks, wedge bolts, or adjuster cups. No shackles. No adjusters of any kind.
38. Strut cars must run stock or OEM replacement components, may brace top of tower.
39. Stock front and rear sway bars only, no adding of additional devices. No adjuster allowed.
40. Any steel wheel 8”W maximum. One inch lug nuts recommended. No bead locks. No
wheel flares. Safety beads recommended.
41. Racing fuel only. No alcohol. No additives.
42. Cars will be inspected. Track official has the final approval.
43. A tire rule will be enforced. --- D.O.T. approved street radials. Any size.