141 Speedway - Super Stock Division - 2009

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Nov 2, 2013 (4 years and 8 months ago)


141 Speedway

Super Stock Division



Eligible Models

a. 1950 or newer American made.

1. Minimum wheelbase 108"

A. Ford: 105"

2. Body swaps allowed

3. Ford or Chrysler engines may be installed in a GM metric chassis built to Mid
Am specs.

4. U
nibody cars are not allowed



a. Must be completely stock configuration from front of steering box to behind rear spring pockets

b. No modifications, or alterations of any kind (chopping, shortening, wedging, dropping)

1. The only exceptio
n being notching and plating for fuel pump clearance (See Section V.K.2.a.ii)

c. Minimum frame height: 6" (except front crossmember)

1. 5" minimum height on exhaust

2. All measurements with driver in car

d. Plating of frame for strength or repair is al


a. Springs

1. Stock appearing steel spring that fits in original mounts in original location.

2. Springs may be altered (cut, heated, or bent)

3. No twist
in spring spacers allowed.

4. Hidden spring spacers allowed on top of front sp

5. Two rear weight jacks are allowed

b. Shocks

1. Aftermarket OEM shocks allowed stock mount only

2. Front shocks must be in stock location

A. spacers may be used on bottom mount

3. Rear shocks must be OEM style rubber mount

A. Mounting positi
ons may be moved

4. No aluminum shocks

5. Adjustable shocks allowed

A. Adjustment may not be external

Spindles & Hubs

a. All components must be stock OEM.

b. No drop spindles.

c. Spindles stock for that make and model of chassis

d. No lightening of


e. Coleman hub recommended on right front GM metric chassis


a. Stock tie rods only

1. No heim joints

2. No aluminum tie rod sleeves

b. Cars using aftermarket steering shaft must...

1. Install a safety sleeve in the main shaft OR

Use a complete aftermarket collapsible racing column

3. An impact collar must be welded on the shaft before the final mounting bearing.

Control Arms

a. Stock control arms may be used

1. OEM correct for make and model and year


Front upper control arm
may be replaced with complete steel tubular drop in replacement, one piece control
arm of stock length, plus or minus1/2” of stock length using stock ball joints. Stock length is 8”.

c. No metal bushings

d. Upper A
arm cross shaft may be milled 1/4” maximu

1. Offset cross shaft is legal

e. Upper A
arm may be notched for shock bolt clearance

o DCR rear control arm bushings or pivots allowed

odification of top hats

(upper control arm mounts)

is prohibited

op hats

(upper control arm mounts)

must remain in original OEM condition


a. Rear upper control arms may be modified for pinion angle correction

b. Rear upper trailing arm holes may be raised up to 1” on the frame

Sway Bars

a. OEM Sway Bars Only

a. Must be mounted to fra
me in stock position in stock mounts

1. May be adjustable

2. Lollipop adjusters are not allowed

Wheel Base

a. Must match stock dimension (Maximum 1" variance between the two sides)

Roll Cage

a. 6 point roll cage is mandatory

a. No offset cages


No laid back cages

b. Minimum 4 drivers side door bars.

1. Drivers side door bars must be plated with minimum 1/8" plate steel

2. Door bars must have 2 uprights between each door bar.

3. Drivers door bars should be flush with inside of door skin.

Cage must have 1 bar side to side at dash level

d. Minimum 3 right side door bars.

1. Which may run straight between front and rear uprights.

e. Minimum 2 side to side bars behind drivers seat

1. 1 bar side to side at shoulder height

2. 1 bar diagonal
ly from top to bottom

f. Each side of cage must have an upright bar at vent window area (Wing Window Bars)

Top halo of roll cage must have a center bar from the front to rear of the halo.

h. Cage must be securely welded to frame with 3" gussets

. M

bars will be 1 3/4" x 0.095 round steel tube

j. Driver foot protection bar highly recommended

k. 2 bars from top of rear hoop extending through to rear frame rails

l. Bars from firewall forward optional

m. All 90 degree connections must be gus

n. All roll cages, installations and welding will have to meet approval of safety inspectors

o. While sitting in seat, mandatory 3" clearance between top of drivers helmet and top of roll cage

p. Main hoop should be 39” high

1. Main hoop must be

2. Lower cages may be issued weight penalties

q. X
brace in the center of the frame section, underneath the driver compartment, is highly recommended (Mid
Am Style)

r. Roll cages set back further than 82 1/2” from center of lower ball joint to
back of main hoop will have weight
penalty of 100 lbs. The further back, the more weight will apply.


Body Overview

a Must resemble a production vehicle

b. Must be all steel

1. Nose

and hood


2. No fiberglass

3. No aluminum


Minimum thickness 24 gauge

c. Must use a stock production roof

d. No offset bodies

e. Aftermarket or neatly fabricated nose and tail may be used

(officials discretion)

f. Drivers door must be gutted for installation of door bars.

g. Driver’s compart
ment may use stock firewall or fabricated “foot box.”

1. Foot Box may not be set back any further than 4” from stock firewall location (call the track if
clarification on exact placement is needed)

2. Minimum 18 gauge steel construction

h. Stock floor o
r 1/8" plate required under driver

i. Interior may be of Mid
American design

1. Must be steel; minimum 22 gauge

j. All interior upholstery and flammable material must be removed.

k. All exterior chrome, door handles, etc. must be removed

l. All glass,

except windshield, must be removed

1. If using lexan or screen for windshield, must be braced with either (3) 1" x 1/8" straps, or (3) 3/8"
minimum square or round steel tubing, evenly spaced.

2. Mesh must be 1" or smaller, 0.035 minimum wire diameter t
ype 304 stainless steel or equivalent

A. Drivers using screens must use approved full face helmet

3. No tinted windows

m. Front and rear firewalls must be completely sealed with minimum 22 gauge steel

n. No sharp edges

1. Wheel wells, if hemmed, must
be hemmed inward

Hood & Trunk

a. Remove stock latches

b. Hood and deck lid pins mandatory

c. Hood must be sealed tightly at firewall or dash

d. No functional hood scoops or holes in hood

1. No cold air induction, period!

e. Spoiler may be stock or f
abricated if less than 5".

Bumpers and Protection Bars

a. Stock type bumpers; steel or aluminum

1. Cars with rubber noses may use tubing bumpers

A. Tubing may be round or squared

B. Tubing may not exceed 0.095" thickness

C. Tubing ends must be open f
or inspection

b. No reinforcing

c. Bumper brackets may be welded to frame horns

d. Bumpers must be capped to fenders to prevent hooking another car

1. No jagged edge bumpers

e. Must have front and rear towing points

1. Front hoop is acceptable

2. Ch
ain loop or cable OK

f. Front and rear protection bars allowed

1. One bar only

2. Maximum 1 1/2” tube

3. No higher than hood or trunk

4. No wider than frame horns

g. Side rub rails allowed

1. Maximum 1" x 2" square tube

A. May not protrude more tha
n 1"

2. Must have 45 degree capped ends

3. Must be securely mounted no further than 1" from end of rub rail

4. Competition Committee members will closely inspect rub rail mounting

Body Height

a. Front air dam and side rocker panels

minimum 5" ground


b. Rear 1/4 panel behind rear tire must be 10" minimum ground clearance


a. Contrasting Colors

b. Height:

1. Doors: Minimum 16" high

2. Roof: Minimum 24" high

3. Letter suffixes must be at least 50% of Number size

c. Width: Minimu
m 3"

d. Clearly readable from the scoring tower from any point on the racing surface

e. Front and rear bumper numbers must be a minimum of 5" high

f. No “spray can” numbering

General Appearance

a. All cars must be neat appearing

1. Cars must be paint

2. No loose body panels

3. No dented up cars

A. Damage should be repaired weekly

4. No profane or otherwise offensive slogans

5. Rust should be repaired

b. Cars not meeting appearance standards will not be allowed to compete.

Drivers Compartment

Kill Switch

a. must be “push
pull” or metal toggle type

b. Must be clearly labeled

c. Must be easily accessible from either side of car

d. Must be reachable by driver when strapped in

Fire Extinguisher

a. Must be fully charged

b. Must be securely
mounted within reach of driver

c. Must be quick release mounting

Padding in Drivers Area

a. Center of steering wheel must be padded

b. Roll bar must be padded by drivers head

c. Inside of driver door must be padded

d. Additional padding required in a
reas of possible contact

Window Net

a. Net must be permanently mounted on bottom

b. Quick release mechanism must be toward front roll cage upright near roof


a. Must be properly installed

b. approved aluminum seat only

c. Must be high back design

d. Headrest must be supported

e. Rib rest must remain flexible

f. Must be mounted with minimum 3/8" hardware

g. Must use oversize washers

h. Minimum 6 mounting points

1. 4 points on seat bottom

2. 2 points on seat back

Five (5) Point Racing Harnes

a. Condition of belts is up to the Officials discretion

b. 3" lap, 3" shoulder, and submarine belt required

c. Secured with minimum 3/8", grade 5 hardware

d. Lap mountings must swivel

e. Shoulder belts must be supported at shoulder level

Oil Pressu
re Lines

a. No plastic oil pressure lines

b. Metal only


a. Mirrors are allowed

Gas Pedal

a. Must be push/pull or toe clip design.



Unmodified” Definition: Sanding, grinding, porting, polishing, relieving, acid dipping, che
mical treating, abrasive
blasting, re
drilling, addition of material, flow enhancing techniques, etc. are all considered to be modifications
and therefore not legal in any further areas marked No modifications.

Sealed Engines


Sealed GM Crate Motor P/N 889
58602 is legal.


Must meet all crate motor requirements in 2009 FRRC super stock rules

Maximum Cube Displacement

a. Chevy 360

b. Ford 361

c. Mopar 366.

Vortec Head Compression Restriction

Chevys using Vortec heads are limited to 10.8:1 compression and a

2 barrel carburetor.

Chassis and Engine Combination

a. Must be from parent company of chassis
except for GM 108

b. No aluminum blocks

c. No aluminum heads


a. May be solid or hydraulic

b. No roller cams

c. No roller rockers

d. No stud

girdles allowed

e. Vortech engines maximum valve lift .500


a. Cast iron intakes only, except Vortec engine

b. No Modifications

c. Edelbrock 7116 Aluminum Performer Manifold is allowed on Vortec Engines

d. GM intakes 14096242 and 14096011 are


a. No airflow modifications are allowed.

1. Choke butterfly may be removed

b. Quadrajet 4 bbl

c. 4412 Holley 2 bbl

1. Must be gauge legal

d. Rochester 2 bbl

e. Fords and Mopars will be allowed their respective factory


1. Holley 4 barrels are NOT allowed, factory or not

f. 1 1/4” maximum adapter plate including gaskets

g. No throttle cables allowed

h. Two throttle springs mandatory

Cylinder Heads

a. Unmodified cast iron production cylinder heads allowed

. Chevys

also allowed

1. World Products SR IO52 casting

2. Vortec heads GM castings Ô062’ and Ô906’

3. Maximum valve size

A. Vortec: 1.94" intake, 1.50" exhaust

B. All others: 2.02" intake 1.60" exhaust

. Fords also allowed

1. World Products Windsors and Wi
ndsor Juniors

2. Roush 200’s

A. Max 361 C.I. with flat top pistons and 4412 2 barrel

. MoPars are allowed W2’s

xhaust Manifolds**


Oem stock cast iron exhaust manifolds only.


No Corvette exhaust manifolds.


Maximum 2 ½” exhaust pipes.


Exhaust must end
behind driver.


Mufflers are mandatory


A 5” I.D. muffler is permissible as part of a 2 into 1 exhaust system


Maximum 5” muffler length 18”


Maximum 5” length of turn down from end of muffler is 9”.


96 decibels maximum.


Measurement will be taken from pit gran


One week to fix


$20.00 fine every week not fixed.


No exhaust pipe in drivers compartment

Connection Rods

a. Steel Connecting Rods Only

b. No titanium rods

c. No aluminum rods

Chevy Small Block Crank Weight Requirement


Minimum 50 lbs.


Oil pan
inspection plug (recommended in 2009, mandatory in 2010)

One ¾ inch pipe plug must be installed in oil pan, above oil level, in between main caps, to allow
inspection of bottom end.

Engine Placement

a. 73

77 Monte Carlo in stock location

1. All other
s may be set back so the lower ball joints line up with the number 1 spark plug

b. On GM metric chassis: we will use the Mid
Am measurement

1. 33 1/2” from the top steering box bolt to the back of the engine block

2. The cross member must be notched out

and plated in the area of the fuel pump only

c. Engine must be centered side to side

Transmission & Drivetrain


a. Stock transmission for make and model

b. Transmission must remain completely unaltered

c. All gears must function


Pressure Plate and Flywheel

a. Clutch, pressure plate, and flywheel must be stock OEM type

b. No aluminum flywheels

Flywheel, clutch disk, and pressure plate must weigh minimum 40 lbs

d. Scatter shield or steel bell housing required

e. Aftermarket
clutch pedals are allowed

Clutch/Flywheel Inspection Hole

a. All cars are required to have a clutch/flywheel inspection hole

b. If dust cover or clutch release fork hole is in appropriate position to view them, it will be adequate

c. 1" hole is preferre

Automatic Transmissions

a. Automatic transmissions must function in all gears

b. Torque converter and flex plate must weigh 40 lbs.

1. If teched for converter weight, save fluid, no allowance for lost fluid

c. No transmission coolers in drivers’ comp

Differentials & Driveshaft

a. Ford 9” may be used in any GM chassis

1. No floater rear ends

2. Must be drum brake

3. Mounts must be from original rear end.

b. Rear ends locked with a spool, mini spool, or welded

1. Factory style limited sli
p allowed

A. Detroit lockers or other ratcheting types not allowed

B. No inserts: EZLock, LockRite, Powertrack, Gearless Locker

2. C
clip eliminators are allowed

c. Driveshaft must be white or bright

d. No aluminum or composite driveshafts

e. All car
s must have driveshaft safety hoop of minimum 1" x 1/8" strap steel

1. Hoop should be 6" behind front U

Cooling System

a. Any radiator may be used

1. Must fit in stock location

2. Hood must close

3. One radiator only

b. Water only

1. Anti
eeze is $20.00 fine

c. Top 180 degrees of fan must be shrouded with minimum 18 gauge steel

1. Factory stock shrouding acceptable if it covers top of fan

d. Electric fans, if used, must operate by a clearly labeled switch

1. No automatically controlled

e. Required: 1 quart (minimum) overflow catch can


a. All cars must have safe functioning brakes at all four wheels

1. Disc brake caliper must be OEM for make and model of frame

b. Stock master cylinder only

1. Must be mounted to firewall

or foot box in stock location

2. No floor mount

3. Stock brake pedal must be in stock location +/


4. No pedal extensions or pedal modifications without written permission

c. No drilled or grooved rotors

d. No made for racing components, except
pads and brake proportioning valve


One a
djustable brake p
roportioning valve


allowed, can

be mounted anywhere

f. No 4 wheel discs unless they were original equipment on the frame used

Wheels & Tires

a. Maximum 8" wide rims

b. No aluminum or
nesium alloy

(Mag) wheels

c. Racing rims on right side

d. Minimum backspace 2"

e. 1" lug nuts required

f. 1/2” minimum wheel studs

g. Tires may be Good Year or Hoosier, but you must race with the tires you used for qualification

h. No Tire softening

or chemical treatment of any kind allowed

i. Track reserves the right to impound any tire for any length of time necessary to determine if it has been
chemically treated.

j. Minimum bare wheel weight: 19 lbs.

k. No wheel spacers allowed.

l. Hoosier PN


Goodyear numbers 2562,2563, 2663, 2462, 2862, or 2863

o mixing Hoosiers and

on car


a. One 12 volt battery only

1. Securely mounted in a battery box away from fuel cell and lines

b. Stock type ignitions only

1. No MSD


2. No traction control

Stock distributor ignitions only, no internally
adjustable or chipped distributors


Fuel & Tanks

a. A fuel cell is required

1. Must be mounted between frame rails as far forward as possible

2. Minimum 11" groun
d clearance

3. Must have fuel cell protector bar angle braced to frame

4. Cell must be in a minimum 20 gauge can

5. Must be s
ecured by four 1/8" x 1" straps, t
wo straps in each direction

b. Mounting will be heavily scrutinized, inspectors decision fina

c. No fuel lines through drivers compartment, unless through continuous conduit

d. No bottom draw fuel tanks

e. All vent lines must have check valves

f. No alcohol

g. No oxygenators or nitro additives

h. Fuel must be automotive gasoline only

1. Tr
ack reserves the right to sample fuel

i. Mechanical fuel pumps only


a. Minimum weight after race is 3200 lbs.

. Weighing includes driver seated in the driver’s seat

. All ballast must be painted white and have car

number on it

. All weight
s must be bolted; (1/2” diameter minimum hardware) or welded to frame

1. No weight may be lower than 6" from the ground

2. Any weight mounted behind the rear axle may not be lower than 10" from the ground

. Loss of weight; immediate disqualification an
d $20.00 fine

. Maximum 60% left side weight

. Technical Inspectors may, at their discretion, add weight penalties for infractions.

Teardown and Penalties

Track Teardown

a. The 141 Speedway will teardown engines on a regular basis.

1. Top End teard

$40 awarded if legal

2. Bottom End teardown

$125 awarded if legal

b. Any car subject to teardown that leaves the grounds or refuses the teardown will be suspended for 4 weeks.

c. The track retains the right to tear down any engine at any time wi
thout compensation.

Competitor Teardown

A driver competing in the same feature event may request a teardown of another competitor.

Requirement of Challenger

a. Request Must Be in Writing

a. Drivers making the request must have finished on the lead lap

b. Protestor’s own car must pass
post race


Time Requirement

Requests for a competitor teardown must be made within 10 minutes of the end of the event.

Amount of Protest Money

a. $200.00 to do a Top End Check

b. $500.00 to do a Bottom End Ch

Teardown Findings

a. If found to be legal, protestee receives the protest money

b. If found illegal, the protester receives the protest money; illegal car earns no points or money for that evening
as well as possible long term suspension

Refusal to Te

Any car subject to teardown or that has been notified of a protest, that leaves the grounds or refuses the
teardown will be suspended for 4 weeks

Infractions and Penalties

a. Depending on the severity of the infraction, the track may issue a penalt
y up to loss of all accumulated points,
surrender of pay, and/or suspension up to a year.

Safety Requirements

Competitors must meet the following safety requirements in order to participate in an event

a. Driver’s suit made of a flame retardant nature. T
he condition of the suit is subject to the officials’ discretion.

b. A minimum
Snell 200

rated or newer helmet. SA rated helmets recommended. M rated helmets allowed if
used in conjunction with fire retardant head sock.

c. Eye protection is required.


Fire retardant gloves are required

e. Fire retardant neck brace is required. A Hans or other style head and neck support system may be used in
place of a brace


a. No two way radios allowed in cars

b. No traction control

c. No turbos, super
chargers, or nitrous oxide

d. No Titanium allowed anywhere