Stock unless otherwise stated. Harris Speedway
cars must weigh 3350 after race but
may use the Hoosier racing tire. They must also go
by Cherokee exhaust and shock rules.
Please see drawings at end of rule
book. The objective of body
rules are to keep the cars looking similar to each
other and as close to stock while keeping them Race
1. Wheelbase - Stock wheel
base for chassis being ran. Any chassis with a
wheelbase shorter than 108"
will not be allowed. No Jeeps or Station Wagons.
2. Rubber nose OK. Nose must match
tailpiece. (If you have a Camaro nose, you must run
a Camaro tailpiece, Monte Carlo, Nova Charger, etc.)
No exotic or late model style
noses or elephant ears allowed.
3. Must run FULL tailpiece rear of
car. 20" min.
height from deck to bottom of tailpiece. No holes or
4. Must run complete, enclosed
cockpit. Must have steel floor pan under driver.
Front firewall location may be moved for engine
clearance. Firewall may be
replaced aluminum or steel
material only. Top and
quarters must be stock looking. Deck
height not to exceed 1"
higher than stock. Doors & fenders may be aluminum.
Cars must remain stock appearing.
5. Spoiler - Maximum
height 6". May run side
spoilers. 6" high X
May have one 4’" spoiler
6. Weight -
3200 lbs. after race with
7. No exposed bars.
8. Body must sit on frame in
9. Aftermarket dirt bodies
allowed. Must be approved by track.
10. All bodies should carry
original body lines.
11. AR Bodies OK.
Chassis And Suspension:
1. Front suspension components must remain stock or
stock type for type of chassis running unless
otherwise stated. This includes draglinks, tie rods,
spindles, etc. FRONT SUSPENSION! No
Astro van spindles etc.
2. Steering - Stock
3. Front spring spacers OK.
No front screw jacks allowed.
OEM rear trailing arms only. Rear spring
- Jack bolts OK. Rear spring
buckets OK. (Rear jack bolt buckets can be No
taller that 6".)
4. Springs may be changed. Must
remain in stock location. (Racing springs OK) No
5. A-Frames -
Upper may be tubular steel or modified O.E.M. Longer
GM stock type ball joints OK on upper only. (No
screw in ball joints) Lower
control arm must be O.E.M for frame used, must
remain unaltered in stock position. Stock type
replacement ball joints only. (No
long ball joint may be used on lower) (No
screw in ball joints allowed). No mono-balls
allowed. Must run rubber bushings only.
6. Shocks - Front - Bilstien
#AK1043 only. (Front shock can be raised 3"
only. May lower 2" only. Must
use lower stock mounting points.)
Rear Bilstien #SSR1 only. May move rear shocks.
7. Engine Location: # 1 sparkplug
even with center top ball joint.
8. Framework may be reinforced. Uni-body
cars (frames) must have stock floor pan and must be
in stock location.
9. Remote power steering reservoirs
1. Engine must be same make as car. Engine must be
STRICTLY STOCK. No factory
high performance allowed.
2. Cubic Inch
- 350 C.I.) (Ford - 351 C.I.)
(Chrysler - 360 C.I.)
3. Block -
Stock cast iron OEM, may overbore
.060 MAXIMUM - NO TOLERANCE!
May deck block to .000 deck only NO TOLERANCE.
- Factory stock for engine running or Scat part #
4-350-3480 or Eagle part # ESP103503480 &
ESP103523480 only. NO CUTTING ALLOWED.
5. Rods -
Factory stock for engine running OK.
NO WORK ALLOWED OF ANY KIND. May run any rod bolt.
May run Eagle rod part #ESP5700BPLW or Scat part #
SCA-25700P. Floating pin OK.
6. Pistons -
May use any flat top or dish stock replacement
piston, forged or Hypereutectic. Flat top piston
must have 4 valve reliefs (factory). No
custom machining allowed, must use standard (wide)
ring package 5/64th", 5/64th",
3/16th". Coating on skirts
7. Intake -
Option 1 - Factory stock,
cast iron, low rise only. Valley pan OK. Must weigh
3100 lbs. after race with driver.
Option 2 - Edelbrock part
#5001, must weigh 3200 lbs after race with driver.
Must remain box stock, no alterations. 1"
aluminum open carb spacer allowed.
8. Heads -
Factory stock, cast iron OEM straight plug only,
screw in studs allowed, must be 3/8" STD. No
high performance or double hump allowed. NO BLEND
WORK ALLOWED. No less than 70 CC. Competition Valve
job OK, may not bore below guide boss. May run
roller rockers 1.5 ratio for Chevy, 3/8 & 7/16 stud,
no stud girdles allowed. Buy rule $225. For other
engine manufacturers, stock rocker ratio. Any steel
valve spring. Any steel retainer. POLYLOCKS OK.
GUIDE PLATES OK. Stock
diameter stainless steel valves OK.
May run Dart Head SS #10024361 but cannot alter
anything other than the following: Must weigh 3350
after the event with dart heads and may not use the
edelbrock part #5001. May run the 2101 or 7101
intake with 1" open spacer
only with 2101. No porting or polishing intakes.
* May clean the exhaust tip out of
the chamber head.
* 64 CC MIN chamber volume.
* Any stainless valve
- 11/32" stem
- 1.940 intake - 1.500
exhaust - 65 CC exhaust
runner. No titanium keepers,
* Any valve spring, but cannot
exceed over 1.280 MAX. Steel retainers and keepers
only. Stud mounted rocker arms only
- 1.5 ratio. Cannot cut in the pocket.
* Intake runner volume may NOT
exceed 179 CC.
* Intake runner and chamber volume
will be checked at head protest.
9. Camshaft - MUST BE Flat
Tappet HYDRAULIC LIFTERS ONLY. Any timing chain. May
degree camshaft. Cam must be OEM .425 maximum lift
for Chevrolet; others will be .450 maximum lift.
10. Oil Pan
- Any wet sump.
11. Balancers-factory stock. NO
12. Aftermarket pulley system &
13. Any plugs & plug wires OK.
electric radiator cooling fans
electric water pumps.
1. Any standard 4 into 1 collector header. Any
length pipe, must stay same diameter.. No coatings
allowed. No tri-y's- No
"X" or merge
type pipes allowed.
2. Exhaust EVAC system OK.
1. Fuel -
Track fuel ONLY. Must pass track test.
2. Carburetor - OEM Stock
single line 2 barrel or 4 barrel for make. Must use
stock or stock replacement gasket. May drill holes
in butterflies. No spacer allowed. NO HIGH
PERFORMANCE. Or may run box stock Holley 650 #4777.
No 4 corner idle screws. May run 1"
adapter for Holley carb. to stock manifold with no
more than (2) .070" thick
gaskets. May remove choke flap. May drill holes in
butterflies. Must pass track gauges. May run maximum
2" air cleaner riser.
3. Fuel Pump
- Stock OEM only.
4. Fuel cell MANDATORY (Mounted
in metal can).
5. No cold air boxes, may cut
hole in hood for air cleaner with 4 1/2"
max. tall scoop or air deflector. Scoop may be no
more than 4" wider than air
1. Stock appearing distributor with stock appearing
module. May lock advance and/or change springs.
2. May run brass distributor gear.
1. Clutch - Factory stock OEM
style clutch. NO HIGH
2. Pressure Plate- Factory
stock OEM style. NO HIGH PERFORMANCE
3. Flywheel - Factory stock.
May resurface, No lightening.
14 lbs. min. weight. Z-28 OK.
4. Release Bearing -
Hydraulic bearings OK. May run hydraulic slave
4. Scatter shield or 3/16"
plate around flywheel area -
5. Transmission - Factory
automatic or straight drive. Must have all working
6. Drive Shaft
- Factory steel only. 1 1/2"
7. Rearend: Stock factory or 9"
Ford. Any ratio OK. Posi-traction
or locked OK. Floater OK. 9"
Ford mounting points must be stock type with No
adjustability. 4 1/2" max
- 3 1/2" min from center of
axle tube to center of trailing arm bolt. (Any
Additional Holes MUST Be Removed) Gun drilled axles
OK. No titanium.
8. Rear Trailing Arms:
Lower: OEM rear trailing arms only, must remain
Upper: May change length or relocate bolt holes for
Left & Right Lower trailing arms must be same
Left & Right Upper trailing arms must be same
1. Stock 4 wheel disk OK., NO
AFTER MARKET, NO ALUMINUM. Must have operational 4
wheel braking system.
2. Racing pedals OK. Brake adjusters inside of car
Tire & Wheels:
1. 60 or 70 series street tire. Hoosier M500, H500
or AR 265 med racing tires allowed. No
grooving or sipping.
2. 8" max width steel wheel.
3. Large wheel studs and lugs nuts
4. Beadlocks OK
- Outward facing only.
NOTICE: Effective May 1, 2016
- Hoosier M500 all the way around. H500 is an
(Two things only) $300.00 with track retaining
* Bottom end only protest: $600.
Option 1: Weigh crank/check journals, visual rod and
piston from the bottom. Crank will be weighed with
gear and pilot.
Option 2: Remove rod and piston from engine and
visual crank/check journals in place.
* Under hood visual protest: $50.00 straight fee to
look at carb and exhaust. (After heats only)
* Tire Chemical Protest: $100.00 per tire to
protest. $100 per tire acceptance fee. 3 grooved
strips removed from tire & sent for lab testing.
* Fuel Protest - $50.00
* Shock Buy Rule:
Front $80 each. Rear $125 each.