Section 1:
General:
Section 2:
Safety:
2.1
RIS Racing and Safety Rules apply
to this class. Eight lap heats and twelve lap feature.
Section 3:
Bodies:
3.1
Body to be original stock
appearing from the factory and can be any two wheel sedan. The
body can be either factory skin or aftermarket steel dirt racing
but must keep stock style appearance. No box type bodies -keep
it looking like a car. No two seat sport cars. Body must have
radius bends to be stock appearing. Minimum cutting of fender
wells for tire clearance is allowed. All glass and chrome trim
must be removed. Steel or aluminum bumper must be welded to
cars. No jagged edges. Outer edge must not extend past fender;
suggest they be rolled in behind quarter panels. No cowcatchers
style bumpers.
3.2 Minimum of 18” tall and
placed on both doors and roof of car. Numbers must be in
contrasting colors as to be seen from the press box. No
holograms numbers. If unreadable from the press box the car will
not be scored. The using of three digits numbers is being phased
out. If you use a third digit make sure that it is at least 9”
tall.
3.3 Fiberglass hoods allowed but
must be stock configuration and appearing.
Section 4:
Frame:
4.1 Unibodies
may be tied together with bracing done on frame for rigidity,
keeping the frame stock..
4.2 The stock
steel unaltered floor pan, from the factory firewall to the
trunk floor must be retained. The only exception is cutting for
fuel cell installation.
Section 5:
Roll Cage:
5.1
Minimum four point cage with
minimum three driver sidebars. 1 ¾ inch tubing with .095 walls
or 1 ½ inch tubing with .125 walls. Front and rear loops are
permitted. Track officials will inspect all roll cage
installation for safety.
Section 6:
Firewalls:
Section 7:
Wheels/Tires:
7.1
Steel wheels with an eight inch
width limit. Tires can be any D.O.T. or racing type but must be
eight inches touching track surface. No bead locks allowed.
Section 8:
Brakes:
Section 9:
Suspension and Steering:
9.1
Suspension may be modified,
aftermarket springs and shocks allowed. Spacers are permitted.
No tubular A–arms, air shocks or weight jacks are allowed.
Section
10: Clutch/Transmission/Running Gear:
10.1
Must have a single disc clutch or
a working torque converter. All standard transmissions must have
a blow proof bellhousing or a shield of metal or conveyer belt
between the transmission and floorboard. All transmissions must
have forward and reverse gears.
Section ll:
Rear End:
11.1
Stock O.E.M. type rear-end only.
Must match body and frame, Chevy to Chevy, etc.
Section
12: Battery & Electronics:
12.1
Battery may be relocated, but
must be securely strapped and in anchored steel enclosed box.
12.2 Stock Distributors, no
magnetos.
Section
13: Cooling System:
Section
14: Fuel System:
14.1
One carburetor to be one or two
barrel, naturally aspired gasoline, down draft only. No type
injection, be it air, water, fuel or nitrous oxide. Carburetor
claim is $200 plus exchanging of carburetor off car making
claim. Car claiming must finish race to be able to claim and
also proving it has a working carburetor by being able to finish
race. Claim must be made within ten minutes after race.
Only driver finishing in that race is allowed to claim
carburetor. Refusal to sell will result in loss of money and
points for that night.
14.2 Fuel cell is mandatory. No
boat tanks, metal boxes or homemade boxes allowed. Trunk
flooring may be removed to mount cell. Fuel cells must be
contained in reinforced steel container and be securely mounted
with at least two 1inch straps at least one foot front the rear
bumper and not directly over the rearend.
Section 15:
Engines:
15.1 Engine must be four
cylinders only and must be in stock location. Engine must match
body such as Ford to Ford, etc. Flat tappet or hydraulic cams
only. No roller cam or dual cams. No aftermarket aluminum heads,
eight valve heads only. .060 oversized pistons maximum. No dome
pistons. No rotary engines or mid-engines or rear engines
allowed. Headers are permitted.
Section
16: Weight:
16.1 All
participating cars must weigh a minimum of 2300 pounds, after
feature race with driver. No fuel may be added prior to
weigh-in.
Section
17: Protest/Claims:
