Section 1:
General
1.1 This is an entry economy class to enable racers to get
started in V-8, full bodied car racing. Any American made sedan
or coupe is eligible. No station wagons, 4 wheel drives, or Jeep
type vehicles. No two door sports-type cars.
1.2 Minimum stock wheel base allowed 101”.
1.3 Car must have a towing hook in the front and rear of car or
chains bolted to frame. Must be easily accessible to the tow
truck operator.
1.4 Body & engine must be same manufacturer. GM to GM, Ford to
Ford, Chrysler to Chrysler.
Section 2: Safety
2.1 All safety items are subject to Technical Inspectors
approval.
Section 3: Body
3.1 All doors must be welded or bolted shut.
3.2 All glass must be removed.
3.3 All molding, lights and light lenses must be removed.
3.4 Rear seat cushions must be removed and any resulting holes
must be covered with .22 gauge sheet metal.
3.5 Complete bumper to bumper steel body must be retained.
3.6 May tie front and rear unibody rails together.
3.7 Stock steel unaltered floor pans and firewalls
must be retained.
3.8 Wheel openings may be cut and rolled-in for tire clearance.
3.9 Front inner wheel wells may be removed.
3.10 Bodies must remain original factory stock appearing. No
chopping, channeling, shortening or cutting allowed. Aftermarket
steel body panels are allowed for repair of race damage, but no
homemade sheet metal bodies allowed. No aluminum sheet metal may
be used for any part of body.
3.11 Hood and deck lid bracing may be removed. Fiberglass hoods
allowed, but must remain stock appearing.
3.12 Hood and trunk must be secured with positive type
fasteners. No hinges.
3.13 No Mirrors.
3.14 Rub rails are permitted between front and rear fender wells
and must not protrude from body more than 1 inch and not wider
than 2 inches. Must be securely fastened, minimum of 3/8" bolts.
3.15 After-market racing nose pieces will be permitted.
3.16 Body subject to Tech Inspector’s approval.
3.17 New bodies may be used on old chassis (for example, 1982 or
later Camaro body on 1981 or earlier frame) as long as length and
width are accommodating. Must be tech approved.
3.18 Must have stock bumper or tech approved reinforcement. No
sharp edges. No heavy gauge bumpers allowed.
3.19 All sheet metal must be in good condition and appearance.
3.20 Numbers must be at least 18” high on both doors and on the
roof, and in contrasting colors to the body color. Roof number
must be placed so that it is read by viewing the car from the
passenger side, and easily visible to the scoring tower. No
holographic numbers.
3.21 Eight Inch Metal Spoiler allowed
Section 4: Frame
4.1 Completely stock and unaltered.
4.2 May tie subframes together.
4.3 Track width maximum of 82" measured outside to outside of
tires. Offset frames not allowed.
Section 5: Roll Cage
5.1 Full 8 point roll cage required, with a minimum of three (3)
door bars on driver side and two door bars on passenger side is
mandatory.
5.2 May not reinforce the body or alter the geometry of the car.
5.3 Side bars on driver’s side may extend into the door opening.
5.4 Bars must be welded and gusseted.
5.5 Minimum of two bars must extend back through rear firewall,
and connect to rear frame. Rear loop allowed.
5.6. Front loop around radiator allowed, but not wider than roll
cage.
Section 6: Firewalls
6.1 Front and rear must be stock with all holes patched with
sheet metal to seal the driver’s compartment.
Section 7: Wheels/Tires
7.1 Asphalt pull-off tires ONLY,
minimum durometer reading of 40. Must hoop 15".
7.2 Maximum 10” wheel. All offsets must allow front and rear to
track the same. Offset subject to tech inspection and approval.
7.3 Mag wheels are not allowed.
7.4 Must use 5 oversized lug nuts per wheel.
7.5 Larger wheel studs required on all four wheels.
7.6 Plating a stock wheel is legal, steel wagon wheel or steel
slot wheel is considered a reinforced wheel without any
modifications and is legal.
7.7 Bead locks allowed.
7.8 No Wide 5's
Section 8: Brakes
8.1 Brakes must be in working order at all times, and each wheel
must lock up on inspection. Right front brake optional.
8.2 Cut-off valves or adjustable proportioning valves are
allowed, but not within reach of the driver while strapped in
the driver’s seat.
Section 9: Suspension
9.1 Front and rear springs may be aftermarket parts. Rear
sliders allowed.
9.2 Minimal modifications allowed to install springs, such as
cutting of spring bucket area.
9.3 Spacers maybe used, but only for frame-to-body clearance.
9.4 Front shocks must be mounted in stock location. If using a
Ford 9" on a GM frame, either axle shock mount or body shock
mount must be in stock location. Rear shocks must be replacement
type for stock parts. No universal fit parts.
9.5 No coil overs or air shocks. HEIM end shock mounts may be
used if situation in 9.4, above regarding Ford 9" rear axle in a
GM frame is applicable. Non-Adjustable racing shocks allowed -
one per wheel.
9.6 Modifications are not allowed to stock upper or lower
control arms.
9.7 No steel control arm bushing allowed. May use urethane
replacement bushings.
9.8 All steering arms and parts must be factory or suitable
replacement. (TRW, Moog, Dana, McQuay Norris.) No racing
adjustable parts allowed. Steering quickener allowed.
9.9 No modifications to lower rear factory trailing arms. Must
be stock, equal length bars.
9.10 Factory 4 link must use all trailing arms and bushings must
be in good repair.
9.11 No aftermarket panhard bar.
9.12 No jacking bolts, or other similar types of suspension
adjustment allowed.
Section 10: Clutch / Transmission
10.1 Stock transmission and single disc stock type clutch only.
10.2 Automatic transmission must have stock torque converter (no
Lock Up converter). Ten inch converter permitted.
10.3 Safety strap of 360 degrees under front half of drive shaft
required.
10.4 Stock steel fly wheel only. Corvette and SVO fly wheels not
permitted.
10.5 Any stock 3 or 4 speed transmission with reverse, and all
working gears.
10.6 Automatic transmission cooler is permitted. Must not be in
driver's compartment.
10.7 Stock steel drive shafts only.
10.8 Driveshaft must be painted white.
10.9 May use hydraulic throw-out-bearing and master cylinder.
10.10 A 360 degree blow proof bell housing is mandatory. Must
have 3 inch inspection hole in bottom to inspect clutch. Auto
transmission must have SFI approved shield or blanket.
Section 11: Rear-end
11.1 Must be stock factory parts. May use Ford 9". Rear axle
must be located in the stock position. (See 9.4, above regarding
mounting of shocks.)
11.2 Locked rears are mandatory. Spool or welded spider gears
allowed.
11.3 Floating rear ends allowed, but no 3/4 ton truck rears.
Section 12: Battery
12.1 Batteries may be moved to the inside of the car but must be
in a covered box.
12.2 Batteries permitted in trunk.
12.3 All batteries must be enclosed in safety box. Subject to
tech approval.
12.4 Gel batteries recommended.
Section 13: Cooling Systems
13.1 One stock type aluminum or racing radiator only under hood
in front of engine in stock location.
13.2 No anti freeze allowed.
Section 14: Fuel System
14.1 Pump commercial gasoline or racing fuel only. No alcohol.
14.2 Fuel cells must be used, and will be checked for condition
and date of manufacture.
14.3 Fuel cells must be vented to the outside of the car.
14.4 Fuel cells may be mounted 3 inches lower than bottom of
rear frame rails.
14.5 Fuel caps must be secured to fuel cell, or safety wired.
14.6 Fuel line may not exit bottom of fuel cell.
Section 15: Engine
15.1 All casting numbers must be unaltered.
15.2 Must be in stock location. Driver's side front plug must be
in line with grease fitting on left front upper ball joint. No
set-back allowed. Minimum height of center of crankshaft from
the ground is 10 inches.
15.3 Blocks:
15.3.1 Production OEM only. (No bowtie, SVO, etc.).
15.3.2 Cast iron only. No aluminum.
15.3.3 A maximum overbore allowed .060
15.3.4 Maximum Cubic Inch Displacement: GM - 362 cu. in., Ford -
362 cu. in. and Chrysler - 370 cu. in.
15.3.5 Must pass pump check.
15.4 Cylinder heads: No aftermarket
heads allowed.
15.4.1 Cast iron only 55 cc
15.4.2 No GM small block angle plug heads. VORTEC heads
permitted.
15.4.3 No porting or polishing.
15.4.5 Valve spring diameter limited to original production
diameter for head used.
15.4.6 Three angle valve job maximum.
15.4.7 No titanium valves or exotic metals. Steel or Stainless
valves only.
15.4.8 Stock valve stem diameter and length. Valve sizes limited
to OEM production diameter for head used. Aftermarket retainers
and keepers allowed, but in stock OEM configuration.
15.4.9 No under-cut valve stems.
15.4.10 Stock-type rocker arms. Stock ratio for make: GM -
1.5:1, Ford - 1.6:1
15.4.11 Polylocks are permitted.
15.4.12 Stock diameter push rods.
15.4.13 No bowl work allowed under valve seat.
15.4.14 No porting or machining for gasket matching allowed.
Minimum clean up permitted. Subject to CC inspection.
15.4.15 Stock type valve spring configuration only.
15.4.16 Screw-in-studs & guide plates allowed. NO stud griddles.
15.5 Pistons:
15.5.1 OEM flat top only. 2 or 4 valve reliefs.
15.5.2 No racing pistons. No domed pistons.
15.5.3 Stock ring width and placement (ring stack). Example: GM
5/64 5/64 3/16
15.5.4 Stock wrist pin diameter.
15.5.5 Any means of lightening other than balancing is illegal.
15.5.6 Zero deck height.
15.6 Crankshaft:
15.6.1 Stock production only.
15.6.2 Stock stroke only.
15.6.3 Any means of lightening other than balancing is illegal.
15.6.4 No knife edging.
15.6.5 Solid steel aftermarket dampener allowed. No Fluid
dampeners.
15.7 Connecting rods:
15.7.1 Must be OEM I-Beam rod. Press pins standard diameter
through bolt rod. Floating pins allowed.
15.7.2 Stock length only.
15.7.3 No polishing.
15.7.4 Any means of lightening other than balancing is illegal.
15.7.5 After market rod bolts permitted.
15.8 Camshaft / Lifters:
15.8.1 Hydraulic or solid flat tappet allowed. No mushroom
lifters.
15.8.2 No roller, roller lifters, or roller rockers.
15.8.3 No gear drives.
15.8.4 Stock lifter diameter only.
15.8.5 No variable duration / bleed-down type lifters.
15.8.6 Firing order on engine must remain original.
15.8.6 Stock rockers only.
15.8.7 Engine must show 15" vacuum at 1000 rpm. No vacuum pumps.
15.9 Intake Manifold / Carburetor:
15.9.1
Intake manifold may be case iron two (2) or four (4) barrel OEM,
or aftermarket aluminum. No tunnel rams.
15.9.2 No TBI manifolds.
15.9.3
One
Holley model 4412, 500 CFM two (2) barrel or Rochester two (2)
barrel only. No marine carburetors.”
One Carburetor.
15.9.4 No modifications, polishing, grinding, porting or cutting
allowed with the exception of choke tower. Choke tower must be
removed and the original casting number must be visible.
15.9.5 May use two gaskets, maximum thickness 0.08 inch each.
15.9.6 A two-inch spacer or adapter maximum.
15.9.7 Stock OEM STYLE mechanical fuel pumps only,
in stock location. No electric fuel pumps.
15.9.8 1 3/8 go-no go.
15.10 Ignition:
15.10.1 Any stock OEM distributor allowed.
15.10.2 Single points.
15.10.3 Any stock style OEM coil allowed. Must fit in stock cap
if HEI.
15.10.4 Stock style HEI systems permitted. No MSD modules.
15.11 Exhaust:
15.11.1 Economy headers
OK. No 180 degree headers.
15.11.2 No modifications allowed.
15.11.3 No Corvette manifolds.
15.11.4 H-pipes & 2 into 1 systems allowed.
15.11.5 Exhaust pipe diameter 3" maximum I.D., must be parallel
to track.
15.11.6 Exhaust must be securely bolted. No band clamps
permitted.
15.12 Engine Location / Oil Pans:
15.12.1 Stock location only. See #1 plug rule, above.
15.12.2 After-market oil pans allowed.
15.12.3 Engines may be bolted direct to the frame, or chains
over engine mounts are permitted.
Section 16: Weight
16.1 Car will be weighed in post-race condition.
16.2 Car must weigh 3000 lbs with driver and no added fuel.
16.3 The track scales are official.
16.4 Failure to meet weight will result in disqualification.
16.5 All lead must be properly secured and painted white.
(Subject to tech inspection.)
16.6 All lead must have car number painted on it. (Subject to
tech inspection.)
Section 17: Protest/Post-Race Inspection
17.1 $300 for the top half of engine. $500 for complete engine.
$250 for removal of bell housing to inspect fly wheel/torque
converter.
17.2 Track does NOT pay for labor or materials associated with
teardown for inspections.
17.3 Protest must be submitted within 10 minutes of
feature completion (drop of checkered flag) for that class. Car
protested has right to counter protest. Only top 5 can and on
the lead lap may protest.
17.4 Can OR Can’t rule: Do not try to read between the lines in
the rule book. Just because the book doesn’t say you can’t,
don’t assume you can. Any modifications not specifically
outlined here are at the Tech Departments discretion. All final
decisions will be made by the tech Officials. Ask first before
you assume something is legal. Penalty wil be loss of points and
winnings for the night and suspension for two race cards for
this class.
