RIVERSIDE STOCK 2014 RULES
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MUFFLERS MANDATORY/RACECEIVERS MANDATORY
and/or regulations set forth herein are designed to provide for
the orderly conduct of racing events and to establish minimum
acceptable requirements for such events. These rules shall
govern the condition of all events, and by participating in
these events, all participants are deemed to have complied with
these rules. NO EXPRESSED OR IMPLIED WARRANTY OF SAFETY
SHALL RESULT FROM PUBLICATIONS OF OR COMPLIANCE WITH THESE RULES
AND OR REGULATIONS. They are intended as a guide for the
conduct of the sport and are in no way a guarantee against
injury or death to a participant, spectator, or official.
director shall be empowered to permit reasonable and appropriate
deviation from any of the specifications herein or impose any
further restrictions that in his/her opinion does not alter the
minimum acceptable requirements. NO EXPRESSED OR IMPLIED
WARRANTY OF SAFETY SHALL RESULT FROM SUCH ALTERATION OF
SPECIFICATIONS. Any interpretation or deviation of these
rules is left to the discretion of the officials. Their decision
Management of ______Riverside International Speedway____________
This is an entry
economy class to enable racers to get started in V-8, full
bodied car racing. Any American made sedan coupe, or pickup
truck is eligible. No station wagons, 4 wheel drives, or Jeep
type vehicles. No two door sports type cars.
Minimum stock wheel
base cars allowed 101” Example: (If car is 108” from Factory
your car must be 108. This does not mean you can shorten your
car to 101). (One inch tolerance on one side only).
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.
Body & engine must
be same manufacturer. GM to GM, Ford to Ford, Chrysler to
Chrysler. (NO EXCEPTIONS)
SECTION 2: SAFETY
2.1 All safety items are subject to Technical Inspectors
3.1 All doors must be welded, bolted shut or rivited.
(Bolted highly recommended)
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 holds
must be covered with .22 gauge sheet metal.
3.5 Steel or aluminum bodies are allowed.
3.6 May tie front and rear unibody rails together.
3.7 Stock steel unaltered floor pans and firewalls must be
retained. (NO EXCEPTIONS) Top section of
firewall can be pushed back for distributor clearance or top of
firewall can be set back four inches. (Lower section has to
remain stock). (See Diagram #7)
3.8 Wheel openings may be cut and rolled-in for tire clearance.
3.9 Front inner wheel wells may be removed.
3.10 Steel or Aluminum bodies must remain original factory
stock appearing (No chopping, channeling, shortening or cutting
allowed). Aftermarket steel or aluminum body panels are allowed
for repair of race damage. Replacement Body Panels must
resemble stock panels. (Bodies must appear stock). No flat
side must appear to be year model as car is.
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”
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. Example:
Frame has to be stock wheel base and if you put a 101 body on a
108 frame the frame has to be 108. (Unaltered and Stock)
3.18 Must have stock bumper or tech approved reinforcement. No
sharp edges. No heavy gauge bumpers allowed. If tube bumper,
end of bumper must be capped and shortened. (See diagram #1)
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
3.21 Eight Inch Metal or Aluminum spoiler allowed. (See
SECTION 4: FRAME
4.1 Completely stock and unaltered. (with exception of
repairing wreck damage in accordance) behind rear loop or behind
axle housing Camaro stock rear suspension point must be
retained. (See Diagram #3)
4.2 May tie sub frames together.
4.3 Track width maximum of 82” measured outside to outside of
tires. Motor has to be centered in frame. Offset frames
(NO EXCEPTIONS) (See Diagram #4)
SECTION 5: ROLL CAGE
5.1 Full 8 point roll cage required, with a minimum of three
(3) door bars on driver’s side and two door bars on passenger
side is mandatory.
5.2 May not reinforce the body or alter the geometry of the
car. No offset cage. (NO EXCEPTIONS) (Left or
5.3 Side bars on driver’s side may extend into the door
opening. (See Diagram #5)
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
SECTION 6: FIREWALLS
6.1 Front and rear must be stock with all holes patched
with sheet metal to seal the driver’s compartment. Should not
be able to see through firewall either. (NO EXCEPTIONS)
SECTION 7: WHEELS/TIRES
7.1 Hoosier asphalt pull offs or Hoosier 500 stock car
tires. Rear tires must durometer minimum 50. Must hoop
15”. (See Diagram #6)
7.2 Maximum wheel width – 10”, steel wheels only. 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.
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 in driver’s compartment.
SECTION 9: SUSPENSION
9.1 Front and rear springs may be aftermarket parts. Rear
9.2 Minimal modifications allowed to install springs, such as
cutting of spring bucket area.
9.3 Spacers may be used, but only for frame-to-body clearance.
9.4 Front shocks must be mounted in stock location. Rear shocks can be located in any
position. Steel shocks only. No aluminum shocks. Heims
on rear shocks only.
9.5 No coil overs or air shocks. Non-Adjustable
racing shocks allowed – one per wheel.
9.6 Modifications are not allowed to stock upper or lower
9.7 No steel control arm bushing allowed. May use urethane
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 Factory or aftermarket stock length rear trailing arms are
allowed. Must be equal length bars.
9.10 Factory 4 link must use all trailing arms and bushings
must be in good repair. Mono-ball bushings okay on trailing arm
9.11 No aftermarket panhard bar.
9.12 No jacking bolts.
9.13 Adjustable weight cups allowed 2 per car can be on front
or rear. (or mixed)
9.14 Shackels on leaf spring cars are permitted, mono-ball
bushings on coil cars are permitted.
All arms on coil car rear suspension must be factory length and
stock type bushings or mono ball bushings are allowed.
SECTION 10: CLUTCH/TRANSMISSION
10.1 Stock type transmission and single disc stock type clutch
only. (10” clutch or larger) No quick change transmission.
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 on drive
10.4 Steel flywheels only. Flywheels must weigh a
minimum of 16 lbs.
10.5 Any stock type 3 or 4 speed transmission with reverse, car
must pull forward and reverse under it’s own power from driver’s
10.6 Automatic transmission cooler is permitted. Must not be in
10.7 Stock steel drive shafts painted white only.
10.8 May use hydraulic throw-out-bearing and master cylinder.
10.9 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.
11.2 Locked rears are mandatory. Spool or welded spider gears
11.3 Floating rear ends allowed, but no 3/4 ton truck rears, no
true track rear ends allowed.
SECTION 12: BATTERY
12.1 Batteries may be moved to the inside of the car but must
be securely fastened inside a box.
12.2 Batteries permitted in trunk.
12.3 Batteries must be mounted in an approved container.
12.4 Gel batteries recommended.
SECTION 13: COOLING SYSTEM
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. Water wetter allowed.
SECTION 14: FUEL SYSTEM
14.1 Pump commercial gasoline or racing fuel only. No
alcohol. Fuel will be subject to tech.
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. (See Diagram #1)
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. (Left to Right) 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. Set back not
to exceed #1 plug to ball joint.
15.3.1 Production OEM only. (No bowtie, SVO, etc.).
15.3.2 Cast iron only. No aluminum blocks or heads.
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: Aftermaket Vortec replacement style
heads will be permitted. This will be the only aftermarket head
allowed. (No bowtie) (No SVO) (No MOPAR Performance) Valve
size not to exceed 2.02 (any brand or make GM, Ford or
Chrysler). 23 degree heads only.
15.4.1. No stud girdles
15.4.2 No GM small block angle plug heads.
15.4.3 No porting or polishing.
15.4.4 GM – 55 cc min., Ford – 55 cc min.
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
15.4.8 Stock valve stem diameter and length. Aftermarket
retainers and keepers allowed, but in stock OEM configuration.
15.4.9 No under-cut valve stems.
15.4.10 Stock-type or aftermarket steel or aluminum roller
rocker arms allowed. No shaft systems or rev kits allowed.
Maximum Ratio for make: GM – 1.52:1 for steel; 1.50:1 for
aluminum, 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. No beehive
15.4.16 Screw-in-studs & guide plates allowed.
15.5.1 Any flat top piston allowed with 2 or 4 valve reliefs.
15.5.2 No Domed pistons.
15.5.3 Stock wrist pin diameter. No lightened pins.
15.5.4 Zero deck height.
15.6.1 Stock production or any aftermarket Cast replacement
style crank will be allowed.
15.6.2 Stock stroke only.
15.6.3 Any means of lightening other than balancing is
15.6.4 No knife edging.
15.6.5 Solid steel aftermarket dampener allowed. No Fluid
15.7 Connecting rods.
15.7.1 Must be OEM I-Beam rod. Press pin or floating pin
permitted. Any aftermarket “SIR” style replacement I-Beam
rod will be allowed.
15.7.2 Stock length only (No 6” rods).
15.7.3 No polishing.
15.7.4 Any means of lightening other than balancing is illegal.
15.7.5 Aftermarket rod bolts permitted.
15.8.1 Hydraulic or solid flat tappet allowed. No mushroom
lifters or hydraulic roller.
15.8.2 No roller cams or roller lifters.
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.
15.8.7 Engine must show 15” vacuum at 1000 rpm. No vacuum
pumps. We can use your tach or the tracks tach to check vacuum.
Must pull proper vacuum both ways.
15.9 Intake Manifold / Carburetor:
15.9.1 Any 2 or 4 bbl cast or aluminum intake manifold
allowed. No tunnel ram intakes.
15.9.2 No TBI manifolds.
15.9.3 One Holley model 4412, 500 CFM two (2) barrel or
Rochester two (2) barrel only.
15.9.4 No polishing, grinding, porting or cutting allowed with
the exception of choke butterfly plate and choke tower removal.
Must pass inspection using “Go, No-Go” gauge.
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.
15.10.1 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.
15.11.1 Economy headers OK. No 180 degree headers.
15.11.2 No modifications allowed.
15.11.3 H-pipes & 2 into 1 systems allowed.
15.11.4 Exhaust pipe diameter 3” maximum I.D.
15.11.4 Exhaust must be securely bolted. No band clamps
15.12 Engine Location / Oil Pans:
15.12.1 Stock location only. See #1 plug rule, above.
15.12.2 Aftermarket 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. (NO EXCEPTIONS)
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). MUST BE BOLTED.
16.6 All lead must have car number painted on it. (Subject to
SECTION 17: Protest/Post-Race Inspection
17.1 $600.00 for the top half of engine. $900.00 for complete
engine. $100.00 protest on flywheel.
17.2 Track does NOT pay for labor or materials associated with
teardown for inspections.
17.3 Protest must be submitted to the race director or track
official within 10 minutes of feature completion (drop of
checkered flag) for this class and before the top 5 cars and
drivers are released from the scale area. Car protested has
right to counter protest and must be in the top 5 (only the top
5 cars can 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.
The Penalty will be loss of points and winnings for the night
and suspension will be decided by track officials, if not stated
SECTION 18: P & G TEARDOWN
18.1 All participants are subject to a P & G test at anytime .
Failure to comply with this rule will result in automatic
disqualification, loss of money and points for that night. If a
driver/owner refuses to the inspection before the car is allowed
to compete again the car/engine will be inspected (inspection
may include a engine teardown).
18.2 If found illegal on carburetor with “No Go” gauge one week
off and you will lose your points and money for that night.
found illegal on head infraction two weeks off, you will lose
your points and money for that night.
If found illegal on
flywheel one week off, you will lose your points and money for
If found illegal on fuel one week off, your
will lose your points and money for that night.
illegal on motor size (cubic inch) 4 weeks off, you will lose
your points and money for that night.
18.3 Safety issue (wrote up) one week to fix. (NO EXCEPTIONS)
18.4 If caught on any two head and motor issues out for the
rest of the year. (Car and driver).
18.5 Limit two protest per year.
18.6 Refuse any protest four weeks out.
18.7 Rain-outs do not count.