Pure Mini Stock Rules

2010 Race Season Rule Book

E-mail questions to: newsenoiaracewaytech@earthlink.net

 

PURE MINI STOCK
No mirrors, no radios, or communication equipment allowed at any time except RACEceiver. Four cylinder water cooled rear wheel drive cars and mini pickups trucks only. If not stock don't try it.
Body
1. OEM stock steel bodies only must maintain stock appearing. Quarter panels and fenders may be cut for tire clearance only.
2. Floor pan and firewall must be stock.
3. Rear of car must be closed in.
4. No front push bars will be allowed.
5. Any plastic additions must conform to original body contour.
6. Stock spoilers on hatch back allowed, 4'' total material on all others. If spoiler is taller than 4" or multiple spoilers add 75lbs.to total weight of car.
7. Boxed interior permitted.
8. Must have stock brake and clutch pedals.
9. Doors and fenders must be steel.
10. Rear side window may be open from door to rear pillar.
11. Must have 18" opening between top of door and top of car on all models.
Frame and Rails
1. Tying frames together permitted.
Front Suspension and Steering
1. All suspension parts must be factory type for make and model of car.
2. Stock springs only. May be shortened to lower car. Stock struts must be mounted in stock location.
3. Screw jacks permitted.
4. Stock shocks only. No coil overs, of any kind.
Rear End
1. OEM factory rear end.
2. Must be locked rear end.
3. Stock rear springs in stock location.
4. Stock type shocks only. No coil overs.
Wheels and Tires
1. Steel wheels only, 8'' maximum width. No bead locks.
2. 8'' tread width maximum on tire. Street tires only. Minimum durometer reading 65. Subject to random tests.

3. Bead Lock Allowed On Right Rear ONLY
Exhaust
1. Any header allowed. Must be boxed in. It can not be exposed to the driver. 
2. Mufflers required. Must register under 100 decibels at 100ft.

Transmission
1. OEM standard production transmission only.
2. Must have at least one forward and one reverse gear in working order.
Engine Setback
1. Engine must mount in original position.
Engine
1. OEM block only.
2. Maximum cylinder bore .060 overbore.
3. May surface deck of block.
4. Piston can extend past deck of block .010.
5. No turbo or rotary engine.
6. Windage tray or racing oil pan permitted.
Crank
1. Standard production OEM cast or steel crank only.
2. No knife edging crank.
3. No turning down counter weights or drilling crank pins.
4. May balance engine.
5. Must be factory stroke.
Rods
1. Stock rods only.
Pistons
1. Stock type flat top pistons only must have 3 rings per piston.
Cam
1. Hydraulic Cam ONLY.

2. No roller cams.
3. No solid lift cams.
Lifters
1. Hydraulic lifters only.
2. No solid lifters of any kind.
3. No adjustable lifters of any kind.
4. Be prepared to remove valve cover at any time.
Timing Gear
1. Multi keyed gears permitted.

2. Adjustable type degree wheel permitted. MUST ADD 50 lbs. 

Head
1. Must use OEM standard production head for make of model engine. No aluminum on Ford.
2. No porting or polishing permitted.
3. Stock valve size only.
4. Stock valve springs only. Must fit in original pocket.
5. Racing valve jobs permitted. Machine cut only.
6. Head may be surfaced any amount.
Oil System
1. Wet sump oil pump in pan system only.
2. Remote filter and oil cooler permitted.
Water Pump
1. No electric water pump.
Fuel Pump
1. Block mounted mechanical pump only.
Flywheel
1. Stock for make of engine.
2. 16 lb. minimum on flywheel.

Clutch
1. Stock clutch only.
Distributor
1. Stock type only.
2. No ignition boosters permitted.
Intake
1. Stock intake with casting number visible. No porting or polishing of intake.
If it looks wrong don't do it.
2. No fuel injection intake.
3. 1" maximum on carburetor spacer or adapter.
Carburetor
1. One 2 barrel carburetor, 500 CFM maximum.
2. Choke, butterfly, and linkage must be removed.
Weight
1. 1 lb. per CC minimum with driver.
2. No burn off allowed at any time.
3. All weight must be bolted on.
4. Weight must be posted on left C pillar.
5. Any make other than Ford 2300 be prepared to add more weight.
6. Track retains the right to adjust weight in the interest of competition should it deem necessary. Any questions about weight should be asked before the feature not after.