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(Updated
January 26, 2011)
Section - B
- 2010
ANYTHING NOT
COVERED BY THE FLOWING RULES MUST BE CHECKED
WITH SPEEDROME OFFICIALS BEFORE PROCEEDING.
B. 1. Open
to all two door North American made steel
bodied passenger cars from 1978 to present
with a full factory frame 108-112 inch wheel
base minimum. May run Camaro or Firebirds
from 1970 to 1981.NO
uni-frame chassis allowed.
B. 2. Car
body and overall appearance must retain all
stock dimensions. Altered bodylines will be
significant reason for disqualification. The
body may not be lowered on the frame. The
body must be mounted in the original factory
stock location in relation to the frame. All
body components must remain year and model
to the rest of the car. The hood, roof,
quarter panels, Doors and fenders must
remain stock in appearance. All panels must
remain steel with the exception of nose and
rear covers. Stock dimension windshield
pillars must be retained. Windshield pillars
and windshield angles must remain stock.
Aftermarket bodies allowed, steel or
fiberglass.
B. 3. All
glass, except the windshield, must be
removed. Glass windshields must have four, 3
inch tabs (2 on top, 2 on bottom, and 2
inner center braces.) Windshields may be
replaced with Polycarbonate/Lexan. Must be a
full windshield. An approved screen may be
used as an alternative to a windshield. No
chicken wire or aluminum screen allowed.
B. 4. Doors
must be welded or securely fastened front
and back. Door skins may be fabricated but
must be made of steel only and maintain
factory bodylines.
B. 5. Body
molding, including door handles, must be
removed. No hood scoops or air boxes, hood
must be flush to windshield. No openings.
B. 6.
Interior of the car must be completely
stripped. Drivers must sit in stock
position, and seat (bottom front) may not be
any further back than 76 inches from left
ball joint. Floors must be stock, front to
rear with the exception of holes for roll
bars. Trunk floors may be cut to accommodate
the fuel cell.
B. 7. Front
firewall: A fabricated welded in, (NO LESS
THAN 20 GAUGE STEEL) or original with all
holes covered with no less than 20 gauge
steel and must remain in original position
and location. Rear firewall must be
completely closed off from the trunk
compartment with 18 gauge steel, which must
be riveted or welded. No metal screws, no
aluminum allowed. Rear of hood and
windshield cowl area must be sealed off from
engine compartments.
B. 8. Frames
must be completely stock (steel) front to
rear. (See B. 33. SUSPENSION) Rear may be
reinforced but remain stock rail. May be
crossed. No holes. SPEEDROME OFFICIALS may
allow repairs to the rear frame rail using
2”x3”x.120 wall tubing from center line
of rear axles back only. Must be approved.
B. 9. Front
inner fender panels may be removed.
B. 10. Stock
or replacement front and rear bumpers must
be in original location. Aftermarket stock
appearing bumper cove and front nose may be
used. No bracing outside of the bumpers.
B. 11. One
only external maximum 1 ½” inch nerf bars
allowed with no sharp edges. Skin tight to
the body located between front and rear
wheels and parallel to the ground.
B. 12. No
radio communications permitted between
driver and/or pit crews or anyone outside
the car. One-way radios from race director
to driver will be mandatory.
B. 13. No
mirrors or reflecting devices are allowed
that would enable the driver to see the car
behind them allowed.
B. 14. All
cars must be neatly painted and
professionally lettered. Numbers from 00 to
99, two digits only, no letters’ number
must be registered with SPEEDROME OFFICIALS.
B. 15.
ENGINES: ALL ENGINES MUST HAVE THE RIGHT
SIDE OF ENGINE FRONT TWO INTAKE BOLTS
DRILLED AND THE RIGHT FRONT CARBURETOR STUD
DRILLED.
Maximum
engine displacement as follows:
(1) GENERAL
MOTORS 350 cu. Inches
(2) FORD 351
cu. Inches
(3) MOPAR,
AMERICAN MOTORS 360 cu. Inches
B. 15. 1.
Maximum compression ratio 10.0 to 1
B. 15. 2.
Stock, an unaltered engine, must match make
and model of the car used, must be within
the chassis as a factory item, including all
engine accessories except air filters,
pulleys, valve covers and oil pan.
B. 15. 3.
All engines must be standard production
heads and blocks and have stock external and
internal measurements, except for maximum
0.060 overbore.
B. 15. 4.
V-8 engines only. NO aluminum engine blocks
or heads.
B. 16.
CARBURETOR: Holley # 4412 500 cfm only.
B. 16. 1.
Choke horn may not be removed. Boosters may
not be changed.
B. 16. 2.
Booster size or shape must not be altered.
B. 16. 3.
Booster height must remain standard.
B. 16. 4.
Venturi area must not be altered. Casting
ring must not be removed. No grinding or
polishing. No modifications to the base
plate.
B. 16. 5.
Throttle shafts must remain standard and
must not be thinned or tapered.
B. 16. 6.
Stock butterflies may be drilled for idle
holes but must not be thinned or tapered.
The modification allowed.
B. 16. 7.
Removal of the choke plate and choke
linkage, changing of jets, accelerator pump
nozzle pump cams, and power valves
permitted. Modifications to main air bleed,
idle bleed, power valve channel, main
passage to discharge nozzle permitted.
B. 16. 8.
Carburetor Adaptor Plate / Spacer: Only one
solid spacer made of aluminum or pheonolic
plastic of a maximum height of one (1) inch
permitted. Only one .075 maximum gasket per
side. NO wedge shaped mounting surfaces,
both top and bottom surfaces must be
parallel. Spacer must have 2 holes maximum
size 1.750 straight bore and match the base
of carburetor. No airflow modifications.
B. 16. 9.
Carburetor throttle: All linkage must be
mechanical type. No cable types. Two springs
mandatory. Toe strap mandatory.
B. 17. AIR
CLEANERS AND AIRE FILTERS: Only round air
cleaner elements of a minimum 12” maximum
14” diameter will be permitted.
MAXIMUM of 4” in HEIGHT. All air must
be filtered through the element. Top of the
air cleaner must be solid with no holes. Top
and bottom of the air cleaner must be of the
same diameter. No air induction, ducts,
baffles, tubes, or funnels which may control
the air leading to inside of, or between the
air filters and carburetor. The air filter
base must have a minimum round opening of
5”inches.
B. 18.
INTAKE MANIFOLD: Only stock production O.E.
M. passenger car cast iron two (2) barrel
intake manifolds or Edelbrock #2101 UPAINTED
will be allowed. No truck or marine
manifolds allowed. No alterations or
modifications to manifolds allowed. No
coatings allowed on or in manifold with the
exception of painting steel manifolds only
on exterior surfaces. Identification in the
form of cast-in part numbers must remain
unaltered on the manifold.
B. 19.
EXHAUST SYSTEM:
B. 19. 1.
Headers: (Conventional Street type 4 into 1
collector.) 15/8 primary 1-3/4 max. May be 1
5/8” to 1-3/4” step.
Collector maximum size 3.0 inches OD. No 180
Degree, or crossover header. No merge or
pyramid collectors. NO exhaust plates
between head and header. No coating of any
type in headers. No (H) or (X) pipes.
B. 19. 2.
Stock production O.E.M. passenger car cast
iron exhaust manifolds allowed. No altering
of manifolds, no grinding, no acid dipping,
or enlarging allowed. 2-1/2 maximum OEM
center dump manifolds allowed.
B. 19. 3.
Pipes must exit behind the rear edge of the
doors, ahead of the rear tires and to the
outside edges of the doors, ahead of the
rear tires and to the outside edges of the
doors. Only one pipe per side of car maximum
pipe size 3” No 2 into 1 system.
B. 19. 4.
Muffler’s mandatory – LOBAK
RCM30-12-3 ONLY, Must be removable for
inspection.
B. 20.
ENGINE PARTS:
B. 20. 1.
Crankshaft: STOCK STROKE CRANKSHAFT WILL BE
+/- .010” FROM FACTORY LISTED STROKE.
Only stock production type crankshafts may
be use. Standard steel or cast iron.
Aftermarket crankshafts must be identical to
stock OEM in appearance, construction,
weight and journal size. Counterweights must
be the same shape and size of a stock OEM
crankshaft. Counterweights may NOT be
knife-edged, under cut or altered in anyway.
Normal balancing only. Minimum crankshaft
weight is 48.0 pounds. No painting, coating,
or plating of any kind. Chevrolet must use
(LARGE) journal size crankshaft…
B. 20. 2.
Connecting Rods: Only Stock production O.E.M.
connecting rods. Stock length rods only.
Aftermarket
I beam connecting rods may be used, 5.700
minimum or 6.000
(NO H beam)
B. 20. 3.
Pistons: Flat top or dish pistons only. No
dome pistons. No portion of the piston may
protrude above the block surface. Valve
reliefs may be cut in pistons. Minimum
weight of one piston and one piston pin 550
grams. No light weight pistons.
B. 20. 4.
Heads: (Valve work.) Stock production O.E.M.
cast iron heads only. Heads must have stock
internal and external measurements. No Boss
Ford, Chrysler Hemi, or Pontiac Ram Air
Heads allowed. Studs may be pinned. Or screw
in studs with guide plates allowed. Steel
valve spring retainers only. Steel valves
only. No undercut valves allowed. Stock
valve stem diameter.
B. 20. 4. 1.
Multiple angle valve jobs are permitted. All
cutting with reference to the valve job must
be centered off the centerline of the valve
guide. Bowl cutting will be a maximum of (1)
inch from bottom of seat face contact angle.
Surfaces and/or edges where the seat cutter
has touched must not be blended, or
polished. No hand grinding, polishing, or
acid dipping permitted on any part of the
heads. No exterior or interior coatings,
epoxy, or welding on head.
NOTE:
Because of the difficulty in determining if
any of this process has been done, heavy
fines and loss of driver and owner points
will result at the discretion of SPEEDROME
OFFICIALS.
B. 20. 4. 2.
Listed are illegal heads in the street stock
class: NO aluminum heads, NO aftermarket
Heads, G.M. NO angle plug heads. NO casting
no. #10239906 / 12558062, NO Vortech.
B. 20. 4. 3.
Maximum valve size intake 2.020 exhaust
1.600
B. 20. 5.
CAMSHAFT: Hydraulic or solid camshafts.
Stock diameter lifters only. NO roller
camshafts. No hydraulic roller cams or
lifters allowed, No mushroom tappets,
Lifters Must be stock diameter.
B. 20. 6.
TIMING CHAIN: Any timing chain and gears may
be used. Degree bushings and offset crank
gear keys may be used. No ear dries or belt
drive types allowed.
B. 20. 7.
OIL PANS: Steel only. A stock oil pan may be
used. Pans may be after market 7to 8 qts.
With a filter. Larger rear sump area only.
No side kick out pans.
B. 20. 8.
INSPECTION PLUG: Is required on the left
side of the oil pan. The inspection hole
must be a minimum of 1-1/4inch I.D. It must
be 9-1/2 inches from the rear block face to
the center line of the inspection hole or
4-1/2 inches from the front block face to
the center line of inspection hole and 1-1/4
inches from oil pan rail. There will not be
any obstruction of view from the inspection
hold to view crank and rods.
B. 20. 9.
VIBRATION DAMPER: Must be stock O.E.M. steel
or cast iron only.
B. 20. 10.
ROCKER ARMS: Rocker arms and push rods may
be aftermarket 1.5 or 1.6 stamped steel or
aluminum rocker,
B. 20. 11.
WATER PUMPS: Stock O.E.M. cast iron or
aluminum pumps. Stock steel bladed fans or
electric fan will be allowed.
B. 21.
RADIATOR: Radiators must be copper, brass
and aluminum stock type. No antifreeze.
Water only! Radiators must have a minimum
one-gallon over flow can.
B. 22.
MOUNTING OF ENGINES: Steel or rubber mounts
acceptable. Rubber mounted engines must be
chained down for safety. Engines must be in
stock location with a minimum crankshaft
centerline height of (15) fifteen inches to
the ground.
B. 23. No
cross breeding or interchanging of engine
parts. All components must have available on
a small block engines from the factory. No
special order components.
B. 24.
IGNITION: Only stock O.E.M. ignition
allowed. No dual points allowed. When using
O.E.M. high-energy ignition (H.E.I.) system,
stock internal type coil must be retained
and must be in original position. No
external coil allowed on H.E.I. systems. No
magneto permitted. No ignition boxes. No
M.S.D. Advance kits and springs may be
changed.
B. 25.
STARTER: Cars must have self-working
starter.
B. 26.
BATTERY:
B. 26. 1.
Only one 12-volt battery
B. 26. 2.
Battery must be in a spill proof container
completely sealed from driver. Battery may
be mounted on right side floor of car inside
frame rail in a steel box. Made of no less
than 20 gauge steel, completely covered,
sealed, and bolted down. MUST BE APPROVED BY
SPEEDROME OFFICIALS.
B. 27.
TRANSMISSION: (Automatic transmission only)
B. 27. 1.
Only stock production, 2 speed or 3 speed
automatic transmissions are allowed. No high
performance of special order transmission is
allowed. No modifying of transmission in any
manner is allowed. All gears must be in
working order.
B. 27. 2.
All cars must have stock unaltered V-8
torque converter. Torque converters must be
in working order. No Vega or similar small
torque converters allowed. Stock stall speed
between 1500-2700 RPM. Will be checked.
B. 27. 3.
Stock weight and diameter steel flex plates.
B.
27. 4. Manual O.E.M transmission will be
allowed. All gears must work!
B.
27. 5. The disc clutch housing assembly or
cover shall be made from steel ONLY. Any
single disc OEM production type clutch
assembly, with a minimum 10 1/2 inch
diameter steel hub disc. Stock type pressure
plate. Any type throw out bearing. No
lighting or machine work on fly wheel of any
kind. Clutch MUST be mounted inside an
approved bell housing.
B.
27. 6. Stock type 3 or 4 speed
transmissions. Only 1.1 to 1 in high gear.
B. 28. DRIVE
SHAFT:
B. 28. 1.
Steel drive shaft only. Drive shaft and
universals must be similar to OEM production
type.
B. 28. 2.
Drive shaft must be painted white or orange.
Must have two steel hoops minimum ¼ inch
by 2 inch located within twelve inches from
end.
B. 29. REAR
END:
B. 29. 1.
O.E.M. type rear ends or nine inch ford
allowed, O.E.M. carrier only.
B. 29. 2. No
ratchet or after market Carriers.
B. 30.
WHEELS AND TIRES: Maximum width 76” measured
outside to outside of tire.
B. 30. 1.
ALL four wheels must be heavy duty after
market. NO stock wheels allowed.
B. 30. 2.
One piece Steel wheels must be used and have
a maximum width of eight inches.
B. 30. 3.
Any Offset wheels. Maximum width 76” measured
outside to outside of tire.
B. 30. 4.
All four wheels must have a minimum of five
lug nuts.
B. 30. 5.
Lug stud threads must go through the full
thickness of the wheel nut on all four
wheels.
B. 30. 6.
1” lug nuts mandatory on all four
wheels.
B. 30. 7.
½ inch wheel studs recommended.
B. 30. 8.
All wheels must be the same diameter.
B. 30. 9.
Wheel spacers are not allowed.
B. 31. TIRES
(SEE A. 28 TO A.29 TIRE INSPECTION)
B. 31. 1.
Only track designated and marked tires
permitted.
B. 31. 2.
Tire durometer readings will be checked.
B. 31. 3. A
tire minimum softness may be declared at the
beginning of a race event.
B. 31. 4. No
use of bleed-off or pop-off type valves.
B. 31. 5.
Hand grooving, buffing, grinding, and/or
cutting on any area of the racing tire will
not be permitted.
B. 31. 6.
Tires that have been altered by unauthorized
treatment will not be permitted.
B. 32. CAR
WEIGHT: Track scales will be final! (SEE
ENERAL POLICIES A.17 – A.17.2)
B. 32. 1. A.
3200lbs with front jacking bolts
B. 3100lbs
without front jacking bolts
C. 3000lbs
with NO jacking bolts
B. 32. 2. No
allowances for gas. Cars can be weighed
before and after race.
B. 32. 3.
TRACK SCALE WILL BE FINAL.
B. 32. 4.
Ballast Weight: If ballast weight is needed
to make total weight, it must be securely
fastened to the inside of frame rails, be
painted white and car number painted on
weight. NO steel or lead pellets.
B. 32. 5. No
weight is to be mounted below the frame
rails.
B. 32. 6. No
weight mounted in Drivers compartment.
B. 32. 7.
Max 56% left side weight.
B.33.
SUSPENSION: (Shocks, springs, sway/anti-roll
bars.)
B. 33. 1.
All suspension components must be in
original position.
B. 33. 2. A-
arms: must be stock for make and model and
reinforcement of front upper control arms
allowed. Or after market top (8) eight inch
right side and a 8 ½ left side tube type
replacement using stock or after market top
a arm mounts.
B. 33. 3.
All suspension mounting points must be
unaltered with the exception of the upper
A-arm mount maybe moved in or out a maximum
of 2”
B. 33. 4.
Racing springs may be used. However, they
must mount in original spring mounting
bracket position and location. Only four
springs are allowed per car and must be
stock in appearance. Coil springs may be
cut.
B. 33. 4. 1.
Adjustable spring spacers or jacking bolts
maybe used.
B. 33. 4.2.
Stock balljoints lower A-arm may run upper
uni-ball A-arm
B. 33. 5.
Cars with front jacking bolts $100.00 list
price maximum on shocks
No
adjustable shocks
No aluminum
shocks
No air
shocks
No rebuild
able shocks
No coil over
shocks
Only one
shock per wheel. Rear must be in stock
location but maybe rod end style. Cars with
front jacking bolts, shocks cannot be more
than 5 DEG.
B. 33. 6.
Steel bushing may replace rubber bushings.
B. 33. 7.
Front Sway bar: may use standard factory
production type or stock diameter. Sway bar
must be bolted to the frame, No spacers. The
right side of sway bar must be solid with
OEM style link. No rear sway bar allowed.
B. 33. 8.
Trailing arms may not be cut, heated and
bent or modified in any way. Tailing arms
must be stock for year make and model.
B. 33. 9. A
minimum of 6 inch frame ground clearance
will be measured at the frame rail behind
the front wheel and in front of the rear
wheel.
No monoballs
in race car.
B. 34.
BRAKES:
B. 34. 1.
Stock O.E.M. hydraulic brakes are mandatory
on all four wheels and must be in 100%
working order. No heavy duty or limited
production parts.
B. 34. 2. No
adjusting devices.
B. 34. 3.
Must have a dual master cylinder. After
market dual master cylinders may be used.
B. 34. 4.
Cast iron O.E.M. disc brake components may
be used only. Rear disc brakes may be
installed If the particular manufacturer had
used them in production and providing the
rotors and Calipers are stock O.E. M. parts.
Optional safety rotor on right front may be
used. Must be approved by SPEEDROME
OFFICIALS.
B. 34. 5. No
drilling of lightening of the rotors,
calipers, drums or backing plates.
B. 34. 6.
May use Wilwood calipers O.E.M. style.
B. 34.7. May
run rear Disc brakes
B. 35. ROLL
CAGE:
B. 35. 1.
Roll cage must be constructed from seamless
round steel tubing. Minimum 1 ½” outside
diameter with a minimum wall thickness of
.120” or 1-3/4” outside
diameter with .090” minimum wall
thickness.
B. 35. 2.
Cars must have a complete, full roll cage
around the driver that must be welded to the
frame. There must be a minimum of three
horizontal and three vertical bars within
the driver’s door. There must be at least
two horizontal and two vertical bars within
any remaining doors. All weld s must have
gussets. Only complete welds all the ways
around tubing will be accepted. No offset
cages allowed. All roll cage bars within
18” of the driver’s body, extended
arms, legs, and head, ECT. Must be properly
padded with approved roll bar padding. NO
threaded pip, pipefittings, aluminum, angle
iron or channel iron will be allowed.
B. 35. 3.
SEE cage section (F)
B. 36.
STEERING COLUMN:
B. 36. 1.
Steering column must remain in stock
location. Stock column may be removed and a
steel shaft may be use did must be supported
by heim joints, securely installed.
B. 36. 2.
Quick release steering wheel hubs, made of
steel, must be used. They must be WELDED to
the steering shaft.
B. 36. 3.
Must use after market racing type steering
wheel.
B. 36. 4.
The steering wheel center must be padded.
B. 36. 5.
Optional aftermarket power steering pumps
maybe used. Must be approved by SPEEDROME
OFFICALS.
B.36.6.
Stock center link, pitman arm, idler arm
cannot be altered.
B. 37.
SAFETY (SEE MINIMUM SPECIFICATIONS A.21 TO
A.21.13)
SEATS AND
SHOULDER HARNESS:
B. 37. 1.
All seats must be aluminum and have
headrests or high back seat. The seat must
be attached to roll cage and frame. Back of
the seat must be mounted to the roll cage.
No fiberglass or plastic seats.
B. 37. 2.
Driver must use a minimum three-inch quick
release, 5-point restraint systems. A
two-inch wide crotch strap is mandatory. All
safety belts must be no more than five years
old, and have readable identification tag.
No original equipment belts permitted.
B. 37. 3.
Shoulder harness must be connected to the
roll cage. All lap belts must be mounted
behind the seat and attached to the roll
cage according to manufacturer
specifications.
B. 37. 4.
All roll bars and driver sidebars or other
protrusions that driver may come in contact
with must be properly padded with approved
racer roll bar padding.
B. 37. 5.
All cars must have a working fire
extinguisher in easy reach of the driver.
B. 37. 6.
Driver side net with a quick release
mechanism is mandatory. No plastic parts
permitted.
B. 37. 7.
Boldly labeled fuel and electrical safety
switches are to be in reach of Driver and
safety crews.
B. 38. FUEL
CELL:
B. 38. 1. A
maximum 22 U.S. gallon fuel cell with foam
inserts is mandatory.
B. 38. 2. A
steel container must fully encase the fuel
cell made of a minimum thickness of 20-gauge
steel.
B. 38. 3.
The fuel cell must be rectangular or square
in shape only. Fuel cell must be mounted in
the center of the trunk. No offset
permitted. Bottom of the cell must not be
lower than the centerline of the rear axle.
B. 38. 4. A
1” diameter .095-wall tubing X brace
required. Fuel cell must be securely
fastened. Strapped and bolted. Fuel cell
vent must exit the car at rear left corner
of the trunk.
B. 39. FUEL
PUMP: Fuel pump must be stock O.E.M. type.
No electric pumps.
B. 40. FUEL:
Gasoline only permitted. Racing fuel
available at track. No additives.
EVERY
COMPETITOR MUST MAKE THEMSELVES AWARE OF AND
FAMILIAR WITH NOT ONLY THE TECHNICAL RULES
IN THIS CLASS, BUT ALSO THE RULES PERTAINING
TO SECTION A GENERAL RULES, GENERAL
POLICIES, MINIMUM SPECIFICATIONS ENGINE,
PROTEST RULE & ENGINGE PUMPING RULE,
TIRE INSPECTION. BY PURCHASING A 2006
CHEMUNG SPEEDROME DRIVER OR CREW TRACK,
LICENSE, EVERY INDIVIDUAL AGREES TO BE
KNOWLEDGEABLE AND BOUND BY THE CONTENTS OF
THE 2001/2006 CHEMUNG SPEEDROME RULES BOOK.
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