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SuperCars Philosophy:
S- Showcase All that participate
in the SuperCar ShootOut
U- Unite and make friendships
that last a lifetime
P- Persevere to be the best
E- Empower others to act with
integrity
R- Reward all accomplishments
big and small
C- Celebrate Victories
A- Actively participate in giving
back to the community
R- Respect and treat everyone
like they're one of us
SuperCar Racing is for 1955 to Present MuscleCars built in United States and Canadian assembly plants. Factory lightweight cars built for sanctioned drag racing, 2 Seater SportsCars, AWD MuscleCars and dealership built/modified cars are not eligible to participate in the SuperCar Stock Appearing series, but are eligible to compete in the SuperCar Xtreme Series. Cars must have been originally equipped with a minimum of four-barrel carburetion and dual exhaust.
Most parts of the car will fall into one of four categories:
1) Correct OEM parts. These parts must be proper for the year, make, model, and horsepower claimed, and they must be Original Equipment Manufactured (OEM) parts. Examples: Intake manifold and cylinder heads.
2) Correct parts. These parts are the same as Correct OEM parts, except they do not need to be OEM manufactured. Reproduction parts, that duplicate the Correct Original parts in appearance, form, function and material and are primarily designed as “restoration” parts are allowed, as long as they comply with all other applicable rules. Examples: wheels, upholstery, emblems, replacement sheet metal, etc.
3) Spec parts. Parts that meet a specification defined in the rules, but are not necessarily Correct or stock appearing. Examples: tires, exhaust system. Note: Every effort should be made to achieve a stock “look” with these parts. For example; your car did not come from the factory with a 2-1/2” mandrel bent exhaust system. But it is specified in the rules that you may run one. Do not have it powder coated pink or highly polished stainless. Rather, try to keep the finish somewhat consistent with what the original correct exhaust system would have been.
4) Correct Appearing. Everything not specified otherwise must be correct appearing. “Correct appearing” and “appearing correct” means: upon a cursory visual inspection by someone reasonably familiar with the year, make and model claimed, it looks like a correct part.
1.00 BODY
1.01 The correct original appearance must be retained.
1.02 No custom or fiberglass replacement body panels
or exterior componants are allowed.
Repro parts are OK if made from correct original material,
ie: repro fiberglass hood on 440 six-pack.
1.03 No "custom" paint colors, designs, or lettering
is allowed.
Paint color must appear stock. Graphics (for advertising
or creative purposes) will not be allowed anywhere on the vehicles. Only
correct graphics will be allowed. Example: Dodge Scat Pack bumble bees ,Hurst
Olds, Yenko graphics, etc. Exception: Any SuperCar ShootOut Sticker Or other
similar styles of racing series sticker may be allowed.
1.04 Front and rear car height and overall appearance
must appear correct.
1.05 Bumpers, fenders and under hood must retain all
correct bracing and reinforcements.
1.06 Correct inner fender panels, front and rear, must
be retained.
1.07 Factory hood scoops, ram air, fresh air induction
must appear correct.
1.08 Interior seating, trim, and materials must appear
correct.
1.09 Aftermarket tachs and gauges are allowed if mounted
on the steering column or under the dash.
1.10 Correct glass only. All windows must be functional
and closed during all runs.
1.11 Hood must be fully closed during all runs.
1.12 The trunk may be used to house modifications other
than those explicitly stated as illegal (nitrous etc.). However, like other
modifications to the car, Supercar Races Mandates that the racer maintain
a stock and stealth like appearance. "TRUNK APPEARANCE IS A TECH ITEM". No
visible Weight Bars, No Visible Fuel Cells, or other performance non stock
items are allowed in the trunk. A rollbar is OK if visible (Must be painted
to look discrete). Ballast may be placed in the trunk if hidden and a stealth
like appearance is maintained.
2.00 ENGINE BLOCK, HEADS & MANIFOLD
2.01 Engine block must appear to be a correct* original
block. Any vintage OEM block of the same engine family is legal as long
as it appears externally correct and is of the correct block material. New
OEM reproduction blocks are allowed only if it duplicates a legal vintage
block in design, material, appearance, bore size and performance. Block casting
number does not have to be correct*.
For example:
a. A correct* 400 cid block could be replaced with
a vintage, OEM 455 block, if it appears externally correct*, and is made
from the correct* material.
b. A correct* Mopar 340 car could use an OE iron LA
318, 340 or a 360 OE block of any vintage.
c. A correct* 327 Chevy can use an OE 350 or 400 block,
if it appears externally correct*, and is made from the correct* material.
d. A correct* 426 Hemi car can use a Mopar reproduction
Hemi block.
2.01.01 Aftermarket blocks are allowed on a case by
case basis by approval of the Supercar rules comittee. The criteria used
to determine legality includes but is not limited to; duplication of the
stock deck height, stock cam location, stock bore spacing, stock material,
and acceptance of ALL factory components. Blocks that have raised decks and
or raised cam locations are strictly prohibited.
The following pre-approved aftermarket blocks have
already been reviewed are allowed by the Supercar rules.
a. 427 Ford Genesis Block
b. Chevrolet- World 081101 081101-4565 legal if Merlin
name is removed to appear stock
c. Chrysler Hemi Mega Block
P5007622AB 426 Hemi Cast Iron Siamesed-Bore Block (Rough
Bored at 4.19")
P5007623AB 426 Hemi Cast Iron Siamesed-Bore Block —
Rough Bored at 4.498"
d. OE 350 Oldsmobile Diesel Block
e. ZL1 Aluminum Block, Casting number 3946053 part
number 12370850. Note; When using this block, all efforts should
be made to machine the hex recess in the new freeze plugs to look like original
square drive freeze plugs.
f. Pontiac IA II Standard Deck Block, Part Number: APSJB
2.02 Dealer installed engines and dealer performed modifications are not allowed.
2.03 Cylinder Heads*: Cylinder Head MUST be of correct
OEM casting, have correct original OEM casting numbers and be of correct
original OEM material. If using a factory correct Replacement Cylinder Heads*
the following criteria must be followed. The use of a Factory OEM Replacement
Cylinder Head* must have the correct Replacement OEM part number and must
be approved by the Rules Committee. The original part number Cylinder Head
is allowed without approval.
2.03.0 A list of approved Cylinder Heads;
2.03.1 Chevrolet Big Block
1968 thru 1973 castings Rect Port Heads.
GM Head 12363408 (Casting number is 12363401)
GM Head 14011077
2.03.2 Chrysler Small Block
1968 to 1974- 915 (j, u, o, z) and 894 (x)
2.03.4 Chrysler Big Block
1968-1974- big block heads open chamber 906, 452 etc.
Chrysler- Mopar part # P5249824 No Freeze Plug end.
casting # 24065518-M
Mopar part # P5007494 No Freeze Plug end
2.03.5 Ford Big Block
C6AE-U, C6AE-R, C7AE-A, C8AE-H
2.03.6 BIG BLOCK Oldsmoblie
YEAR MODEL CUBIC INCH CASTING NUMBER CASTING LETTER
CC'S
1965 442 400 383821 A 80
1966-1967 442 & W-30 400 389395 B 80
1968-1969 442 & W-30, W-32 400 394548 C 80
1968-1969 HURST OLDS 455 400370 D 69.75
1970 442, SX 455 403686 E 77
1970 W-30 455 404438 F, Alternate, E 80
1971 442, SX 455 409100 G 80
1971 W-30 455 409160 H, Alternate,G,Ga,Ka 80
1972 442, H/O & W-30 455 409100
2.03.7 SMALL BLOCK Oldsmobile
YEAR MODEL CUBIC INCH CASTING NUMBER CASTING LETTER
CC'S
1964 Cutlass, F85 330 385101 1 60
1965 Cutlass, F85 330 2
1966 Cutlass, F85 330 389384 3 60
1967 Cutlass, F85 330 394497 4 60
1968-1969 Cutlass, F85, W31 350 397742 5 64
1968-1969 Cutlass, F85 350 397742 5 64
1970 Cutlass, F85, W-31 350 403859 6 64
1970 Cutlass, F85, Rallye 350 350 403859 6 64
1971 Cutlass, F85 350 409147 7 64
1972 Cutlass, F85, 442 350 engine 350 409147 7a 64
2.03.8 Pontiac
"D-port" heads from 1967 to 1974
Note*
Replacement Heads not listed
that fall under the same criteria need to be brought to the SuperCar Rules
Committee. You may Call,
PM or E-mail the Rules Committee to have your Cylinder Head approved
and added to the list. Casting date codes are not looked at and are not part
of the tech process.
2.04 Internal engine modifications OK.
2.05 The entire engine compartment and engine assembly,
including accessories, must appear correct, except for items specifically
defined otherwise in these rules. Appearance of the engine will be inspected
with the air filter housing off and on. Removal of pollution control air
pump is allowed. Engine torque strap OK.
Engine color should appear stock.
2.06 No Nitrous Oxide allowed.
2.07 Lightweight mini starters OK, if painted to appear
as stock as possible.
2.08 Aftermarket harmonic balancers are OK, if painted
to appear as stock as possible.
2.09 Intake Manifold MUST be correct OEM casting, have
correct original casting numbers and be of correct original material.
3.00 FUEL SYSTEM AND CARBURETOR / Induction Syste
3.01 The carburetor and or Induction System must appear
externally correct. The stamped part number need not be correct. Internal
modifications are OK and larger CFM carburetors Induction systems are allowed
as long as they maintain the stock appearance of the factory correct carburetor.
For example an 800 Quadrajet can replace an 750 Quadrajet as long as it
appears externally correct, however a vacuum secondary holley cannot be
replaced with a mechanical secondary Holley.
3.02 Carb choke flap and assembly is optional.
3.03 Choke horn removal is not allowed.
3.04 Carb spacers are not allowed
3.05 Maximum of 2 OEM type gaskets allowed under carb.
3.06 The air filter housing assembly must appear correct.
All qualifying and race runs must be done with the
correct appearing air filter housing and an air filter in place. Correctly
sized aftermarket air filters are OK.
3.07 Stock Appearing mechanical fuel pump must be retained.
3.08 Electric fuel pumps are allowed if mounted in
a location out of view.
Fuel regulators and fuel pressure gauges are OK, if
mounted in a location out of view.
3.09 Correct fuel lines are required from engine mounted
mechanical fuel pump to carburetor.
3.10 Fuel lines from tank to mechanical pump may be
upgraded.
3.11 Gasoline as outlined here is the only acceptable
fuel for use in SuperCar ShootOuts.
The SuperCar tech inspector reserves the right to check
gasoline at any time during competition. Gasoline is defined as a mixture
of hydrocarbons only. The average dielectric constant (D.C.) for the hydrocarbons
that compromises gasoline is 2.025. This is defined as a reading of "0" on
the fuel-check meter.
3.12 Nitrous Oxide is NOT allowed. ANYONE USING NITROUS
OXIDE WILL BE BANNED FROM PARTICIPATING FOR LIFE!
3.13 Propylene Oxide, Nitro-methane, alcohol and nitro-propane
are NOT allowed.
3.14 Mass Air housing must appear correct, Modification are
allowed
3.15 Factory Air Box and intake ductwork must be present and inplace.
3.16 No Front mounted intercoolers allowed. Intercoolers must appear factory
correct
3.17 No Blow Off Valves allowed
4.00 EXHAUST
4.01 Cast iron exhaust manifolds and factory installed tubular
exhaust manifolds are mandatory and must be correct, have correct casting
numbers, look and be of correct material. Under no circumstances will after
market headers be allowed, including those cars that had headers delivered
in the trunk. Cars originally equipped with tubular exhaust manifolds such
as 5.0 Mustang, Grand National, Turbo T/A etc. must use correct or factory
replacement manifolds. An aftermarket "shorty" header that is a bolt on replacement
is not allowed No altered size Down Pipes allowed. Factory Diameter must
be maintained. Internal modifications are OK. Correct appearing exhaust manifold
paint or coatings are OK. Casting date codes are not looked at and are not
part of the tech process. Headers are allowed for a first time racer. One
time only. Once the racer decides to be part of the series a game plan must
be set by the Racer to be in compliance to respected set rules
4.02 Even if equipped from the factory with cut-outs,
all runs must be made with closed exhaust running through the mufflers.
4.03 Exhaust systems may be upgraded to a maximum of
2.5" diameter head and tail pipes.
Exception: Certain Max Wedge cars left the factory
with 3" inch head pipes, these cars can retain these head pipes up to, but
not past, the transmission tail-shaft. Even if equipped from the factory
with cut-outs, all runs must be made with closed exhaust running through
the mufflers.
4.04 Mufflers must be stock looking in design (Welded mufflers
not encouraged). Maximum muffler inlet and outlet is 2.5”.
4.05 Exhaust pipes must exit in the correct original location.
4.06 Excessive exhaust leaks are not allowed.
4.07 "X" and "H" pipes are allowed. The “X” pipe assembly can not exceed
24” in length.
5.00 VALVE COVERS
5.01 Valve covers must appear correct.
5.02 Valve cover spacers are not allowed.
5.03 Maximum of 2 OEM type gaskets under each valve
cover allowed.
6.00 CAMSHAFT
6.01 Camshaft must produce a correct stock sound at
idle. Engine idle noise level will be checked using
Radio Shack Meter 33-2055 Set on Filter C, Slow responce. Engine
Idle will be measured @ 1000 RPM's in neutral or park, standing 3 Ft. away
from the back bumper at waist height, the car in question must not exceed
108 Dba on the said meter.
7.00 PULLEYS
7.01 All pulleys must be correct appearing.
7.02 Belts running the water pump and alternator must
be retained at all times.
7.03 Pully Changes on Super Chargers and Blower are allowed
on the Crank Pully. Upper Blower and Super Charger Pully must appear stock
and be of the factory diameter.
8.00 IGNITION SYSTEM
8.01 The distributor, distributor cap and coil must
appear correct,
Distributor housing does not need to have original
part number stamped in body.
8.02 Coil must be retained in the correct location.
8.03 Aftermarket ignition boxes allowed, if mounted
out of sight.
8.04 Spark plug wires and boots must be black, (or
of the correct original color if the correct original color is not black)
8mm maximum diameter, and have NO aftermarket lettering on them.
Aftermarket spark plug wires are OK if they conform
to the above rules.
8.05 Aftermarket Traction control is not legal and not allowed.
Traction control is defined as any device that monitors engine and/or driveline
rpm in order to detect tire slip and automatically control it either mechanically
or electronically.
8.05.1 New cars equipped with factory traction control devices are allowed
and can be disarmed if driver chooses to do so.
8.06 Ignition & Air Fuel monitoring devices must be hidden during competition
rounds this includes wiring.
9.00 COOLING SYSTEM
9.01 The radiator, fan and radiator shroud must appear
correct.
Replacement radiator caps are OK. No electric fans.
9.02 Overflow cans of at least 20 oz. are required.
Aftermarket overflow cans OK, if car originally did
not have one but all attempts should be made to conceal it.
10.00 ELECTRICAL SYSTEM
10.01 The battery must be retained in the correct location,
be functional and securely fastened down with original style hold down.
Original looking batteries are encouraged but not required,
Replacement batteries are OK.
10.02 The charging system must be fully operational
at all times.
10.03 Under hood wiring should appear correct.
10.04 Rear mounted battery disconnect shutoff switches
are allowed on cars originally equiped from the factory with rear or trunk
mounted battery.
11.00 DRIVETRAIN
11.01 Cars that were only available with a manual transmission
may not convert to an automatic. And vice/versa.
For example: 1966 & 1967 Ford Fairlane 427 2x4
only came from the factory with a manual transmission, so an automatic would
not be legal.
11.02 Any OE transmission may be used if offered by
the vehicle brand.
For example: an Olds with a TH400 could change to a
TH350 or Powerglide, and a Chevy with a Saginaw could change to a Muncie
or other GM 4 speed trans. Transmission casting numbers are not a tech issue.
Internal modifications are OK.
11.03 OEM appearing aftermarket cases are OK.
11.10 Automatic Transmission:
11.11 Any torque converter is OK.
11.12 Shifter must be stock appearing.
11.13 Maximum 3 forward gears from first to direct.
11.14 Aftermarket Overdrive automatics are allowed
as long as they are in a 3+1 configuration (ie GM 700R4, Mopar 518, Ford
AOD)
11.15 Manual Transmission:
11.16 Any clutch/pressure plate assembly is OK. Scatter
shields are OK.
11.17 3 speeds may be upgraded to a 4 speed.
11.18 Shifter must be stock appearing.
11.19 Maximum 4 forward gears from first to direct.
11.20 Aftermarket Overdrive manuals are allowed as
long as they are in a 4+1 or 4+2 configuration (ie Keisler 5 and 6 speed
& Richmond 4+1 OD 5 speeds are legal, however a Richmond 5 or 6 speed
with 1:1 5th gear would not be legal)
11.21 Drive Shaft:
11.22 Aftermarket drive shaft is OK. Maximum 3.5” diameter.
Aftermarket drive shafts should be painted, to appear
as stock as possible.
12.00 REAR AXLES
12.01 The rear axle housing must be of the same manufacturer
as the car. OEM appearing aftermarket housings are OK. Internal modifications
are OK. Any gear ratio allowed. Aftermarket axles are OK. Upgrade to posi-unit
or spool is OK. Rear End housing must be of correct OEM Material
13.00 SUSPENSION
13.01 Traction devices are limited to hop stop bars
for upper control arms on coil spring cars.
13.02 Upper and lower control arms on coil spring cars
must be correct.
13.03 Pinion snubbers and clamping of leaf springs
are allowed on leaf spring cars.
13.04 No slapper bars or ladder bars of any kind are allowed,
unless originally equipped from the factory. Factory documentation will
be required to prove authenticity for any cars with bolt on traction devices.
No dealer installed traction devices allowed. Boxed Lower Control Arms on
78-88 G-bodies are not allowed.
13.05 Aftermarket bushings OK.
Must be the correct original color.
13.06 Shocks and springs must appear correct.
Aftermarket adjustable shocks are OK if painted to
appear correct. Leaf springs must be made of the same material and be of
the same construction as stock.
13.07 Air bags are not allowed.
13.08 Front Suspension:
13.09 The front sway bar is optional.
13.10 Aftermarket shocks, bushings and springs are
OK, but must be painted to appear correct. No other aftermarket front suspension
parts are allowed.
14.00 TIRES AND WHEELS AND BRAKES
14.01 Wheels must be correct, including correct diameter, width
and material.
Note: Width may be upgraded to a maximum of 6 inches, if the correct wheel
is narrower than that. Reproduction wheels OK.
14.02 All 4 wheels and tires must be same size.
Exception: Mopar TA Challenger came from factory with G-60’s on rear and
E-60’s on front.
14.03 Original equipment reproduction bias-ply tires on 1955 to 1979. No
soft compound tires of any kind are allowed. Retread tires are not allowed.
Any car is allowed to upgrade to a maximum size tire of G-70 of the correct
wheel diameter. All cars that were originally available with a 60 series
tire can upgrade to a maximum size of G-60 tire of the correct wheel diameter.
Exception: First time Supercar participants are allowed to run normal ’non-sticky’
street radials for their first Supercar race if there Supercar was originally
equipped with Polyglas.
14.03.1 Cars with a choice of Polyglas or Radial Tires may choose either
with the correct wheels Radial tire TW can not be less 200. Tire must have
factory TW on the tire any alterations will result in disqualification.
14.03.2 Cars equipped with factory tires with less than a 200 TW must change
tires to meet rules. (Challenger Demon model, Challenger 1320 and similar
models built by Ford and GM that are equipped with Tread Wear rated tires
that are below 200. These cars must change there tires to compete.
14.03.3 Radial Tire size +20mm section width allowed up to 255 stock width
required after that. You may use a tire with a diameter +/- 1" than the
factory tire size.[/b][/size]
14.04 Aftermarket or OEM brake upgrades are allowed for safety concerns.
Every effort should be made to achieve a stock appearance.
14.05 Line locks are allowed if hidden.
14.06 Tire Tech; All the repop and OEM tire treads are similar in design,
There must be evidence of the original main tread grooves over the whole
tire to be legal. Any bald sections or patches where the original main groove
disappears and the tire must be replaced. Most important if your tires are questionable,
make sure you bring an extra set to qualify and compete with. Tires will
be inspected before during and after the event is completed and must have
all of the main treads showing.
15.00 TRACK TECH
15.01 All track safety rules apply and you must pass
track tech.
When required by track safety rules, roll bars and
aftermarket seat belts will not be cause for disqualification under the
'stock appearing' requirement in the SuperCar rules. We require that everyone
racing in the SuperCar class maintain a stock image and appearance as best
they can. Every effort should be made to integrate required safety equipment
with a correct appearance. Careful shaping and placement of the roll bar
tubes to hide them as best as possible and painting of the roll bar is one
way to try and blend in the roll bar with the interior.
16.00 UNDER BODY
16.01 Underside of vehicle needs to appear correct
when viewed from ground level, 3 feet outside perimeter of the car.
Exceptions to this are any components specifically
identified and mentioned in the rules.
17.00 ELAPSED TIMES
17.01 SuperCar Participants running 13.99 and slower may run in
the class with a non approved tire and combo.
17.02 SuperCar Participants running 13.99 to 12.99 are allowed to race
at multiple events as long as Rules are being adopted to make their Car
100% compliant to the set rules. Casting numbers may be incorrect but the
Factory appearance must be present.
[b]17.02 SuperCar Participants running 12.99 and quicker must comply to
set rules. All Casting numbers must be correct and the factory look must be
maintained at all times.
17.03 SuperCars Running 11.99 or quicker, Must comply to all the rules
and pass certification. 11.70 or Quicker are required to remove valve covers
to check casting numbers. Correct blower and upper supercharger pully diameters
will be checked, Intake Manifold may be inspected by removal of the carburetor/s
or induction system.
Published; January 1, 2010
Revised Wording 14.06; December 24, 2024
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Ralph Barbagallo
Sharleen Barbagallo
Ted Daros
Chris Kuskowski
Advisory Board
SuperCarRaces.com
SuperCar ShootOut
American MuscleCar Racing
Ralphs Rapid Transit Productions
LLC. DBA SuperCar ShootOut, SuperCarRaces,
SuperCarRaces.com American Musclecar
Drag Racing &
SuperCar Races.com Factory Appearing
MuscleCar Drag Racing.
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