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IF IT'S NOT IN THE RULES CONSIDER IT
ILLEGAL!!!!
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1. Car
Body And Chassis Requirements
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1.1
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Any stock production
American- made passenger car, station wagon, El Camino, or Ranchero is
acceptable.
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1.2
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No convertibles, sport
cars, suburban, or high performance vehicles.
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1.3
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Camaros, Firebird
allowed.
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1.4
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Only
stock-stock-stock parts may be used. After market upper A frames optional /
STOCK mount only
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1.4.1
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Only stock
mount chassis parts may be used.
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1.5
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POST
race minimum weight is 3200 lbs. **11/2010 (200 lbs lighter than previous rule).
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1.5.1
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Quick steer will be
allowed.
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1.6
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Vehicle must remain
stock in appearance.
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1.6.1
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Spoilers are
allowed. 6 inch max height including sideboards.
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1.6.2
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NO MIRRORS
OR ANY OTHER TYPE OF REFLECTIVE DEVICE ALLOWED!!!
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1.7
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Minimum wheelbase
is 108”
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1.8
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Suspension must
remain absolutely stock for make and model of vehicle.
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1.8.1
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Suspension parts
must use stock mounting locations for make / model and year of vehicle.
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1.8.2
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No
modifications permitted. UNLESS APPROVED BY OFFICIALS
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1.9
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Aftermarket
shocks and springs are allowed. Must mount using stock mounts.
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1.9.1
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Adjustable
spring spacers. - Optional
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1.9.2
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Firewall MUST
be used around driver.
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2. Engine
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2.1
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Engine must be stock
for type and year of vehicle used. GM in GM, Chrysler in Chrysler,
Ford in Ford etc….. Engine size limited to small block only up to 362
ci.
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2.1.1
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All major components
(block, crank, rods, ) must remain stock for type and year of engine.
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2.2
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1.25"
spring stock diameter / stamped steel long slots / 1.5" stamped steel
long slot steel rockers. Stock OEM style
roller tip rockers are allowed, but must be mfg. stamped 1.5”. No after-market etching.
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2.2.1
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1.5"
valve springs max diameter, only long slot rocker arms.
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2.3
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No aluminum heads.
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2.4
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Screw in studs and or
pinned are allowed. Guide plates allowed. No other
alterations.
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2.4.1
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Any cast iron head 72cc
minimum, max.2.02 intake / 1.60 exhaust valve.
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2.4.2
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No angle milling.
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2.4.3
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No porting or
polishing. NO gasket matching.
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2.5
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4 valve
relief forged allowed / 5.7 rods ONLY
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2.5.1
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No
6" or longer rods. / cap screws allowed
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2.5.2
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No late model small
ring (Vortec).
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2.6
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Carburetor may be stock
2 barrel of the same type and year engine was originally equipped with or Holly
4412 500 cfm to be checked with go no go gauge. Stock dimensions top 1.375,
bottom 1.687
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2.6.1
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1"
MAX spacer may be allowed!!
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2.7
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Stock
cast iron intake manifold. 2BBL or 4 BBL
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2.7.1
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No porting, polishing, or
altering in anyway.
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2.7.2
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No high performance or
marine intake manifolds.
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2.8
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Camshaft must match
make of engine being used. Hydraulic or solid flat tappet lifters
only. No roller lifters. No altered firing order.
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2.8.1
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Hydraulic or solid flat
tappet lifters only. No roller lifters. No altered firing order.
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2.8.2
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15" vacuum
@1,000 rpm ALL CARS
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2.9
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Headers or Manifolds
allowed. No 180 headers, Tri-Y or Merge Collectors allowed (Contact
Tech for 2010 allowances)
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2.1
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Stock
ignition systems.UNDER CAP ONLY!!!
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2.11
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Engine Placement - #1
spark plug must be a minimum of 1” in front of center of ball joint on
driver’s side. No further setback of engine allowed.
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2.11.1
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No fuel
injection UNLESS APPROVED BY OFFICIALS
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3.
Transmission and Rear End
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3.1
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Stock
automatic transmission with min. 10" operating converter
or Standard transmissions allowed. Min.10.5” clutch w/
STEEL flywheel and operational pressure plate.
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3.2
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9"
stock mount / ONLY one hole in mount / Stock measurement
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3.3
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Stock
Production rearend / NO QUICK CHANGE REARENDS
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3.3.1
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Posi-Trac
(if year of vehicle was equipped) or single welded locked rearends permited
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3.3.2
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Ford
9" ALLOWED
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3.3.3
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Ford
9" floater rear end optional. (previously not allowed) **11/2010
Floater
rear-ends are for added safety.
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4. Wheels and
Tires
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4.1
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Steel wheels only with
a max width of 10”.
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4.1.1
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Aftermarket wheels are
allowed. Max width of 10".
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4.2
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Minimum
tire tread width is 8”–maximum of 10”. HOOSIER Dirt Boss or approved
by Track Tech
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4.3
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Absolutely NO lug
cutting.
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4.4
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Grooving of
tire is allowed. (04/01/2010)
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4.4.1
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No
chemical treatment of tires (softening compound) . (04/01/2010)
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4.5
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Right Rear
beadlock is optional. / No screwing tires to wheel
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5. Brakes
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5.1
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ONE
stock master cylinder
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5.2
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3-wheel
brakes allowed
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5.3
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Rear
disc brakes optional
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5.4
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Right
front brake shutoff allowed
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5.5
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No proportioning valves
ALLOWED
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