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Wicked Street
Revised 2011 |
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ALL CARS MUST HAVE VALID REGISTRATION AND INSURANCE AND MEET
IHRA RULES FOR THE ET CAR IS RUNNING
BODY:
The car must retain its
original appearance and profiles. Aftermarket fiberglass or carbon
fiber replacement panels are limited to hood, front fenders, doors,
deck lid and bumpers. One piece front ends are permitted, but must
retain factory head lights, grille and bumper (if originally equipped).
FIREWALL:
Must retain in original
factory location, and be constructed out of sheet-metal. Notching of
factory firewall for valve cover clearance is allowed. Firewalls that are moved from the factory
location will receive a 50lb weight penalty..
WINDOWS:
Must be of safety glass,
Lexan, or other shatterproof materials, minimum 1/8th inch thick. Also
must be clear and non hazy.
BRACKET RACING AIDS:
The use of bracket racing aids
such as optical sensors, delay boxes, stutter boxes, and throttle stops
are not allowed.
REAR SUSPENSION:
No Restrictions
DRIVE TRAIN
AUTOMATIC TRANSMISSIONS:
Any OEM automatic
transmission permitted. Aftermarket torque converter, shift kit, valve
body, shifter, and pan cooler use are permitted. Trans brakes are
permitted. All shifts must be made manually without the aid of
electric, hydraulic or pneumatic devices.
MANUAL TRANSMISSION:
After-market clutch
(single disc only) assisted manual transmissions are allowed
Clutch/Automatics or planetary transmissions (Lenco or Jeffco) are not
allowed. Split sliders are also not allowed. All shifts must be made
manually without the aid of electric, hydraulic or pneumatic devices.
ENGINE:
Cubic inch limits.
(see weight guide below)
ENGINE BLOCK:
No Restrictions
ENGINE MOUNT LOCATION:
The maximum allowable
engine setback from the center line of the number-one spark-plug hole
to the center line of the front spindle is 2 inches, except in those
vehicles in which the engine was factory installed at a distance
greater than 2 inches behind the spindle. In both cases, the engine
must be mounted in front of the Original Factory Firewall Location. For those cars with the firewall moved
back and your engine is more than 2" and Less than 4" from the center
line of the number-one spark-plug hole to the center line of the front
spindle, you will be penalized an additional 50lbs
CYLINDER HEADS:
No Billet Cylinder
Heads Permitted. See weight guide below for individual specifications...
CARBURETOR / THROTTLE BODY:
Any single or dual
carburetor or throttle body set-up is allowed
EFI:
Any EFI system is permitted
NITROUS:
Any nitrous combo is legal.
SUPERCHARGER:
Roots up to a 14.71 (No Screwchargers) See weight adds.
TURBOCHARGER:
Single Turbo 118mm Max
Turbo - Twin Turbo 88mm Max ea. See weight adds.
MEASUREMENT SAMPLE FOR TURBO
ENTRIES: (80mm)
1) Turbocharger must be of
conventional impeller and housing design and type.
2) Turbocharger is limited to a maximum size
of 3.14960 inches (80mm) inducer diameter at the point where the
leading edge of the compressor wheel meets the inlet housing.
3) Compressor cover inlet is permitted a
maximum inlet diameter of 3.24060 inches
(82.3114mm)
4) Compressor Wheel to housing clearance
must maintain a maximum 0.091 (2.3114mm) clearance beginning from a)
the leading edge of the compressor wheel where it meets the inlet of
the compressor housing, to b) the transition point where the trailing
edge of the
compressor wheel meets the
volute.
5) All air entering the turbocharger must
pass through the turbocharger inlet.
6) Injection of any liquid, gas, or any
other substance into the inlet or exhaust housing prohibited.
7) Compressor wheel contour must be
continuous features from the inducer to the exducer (no "stepped"
wheels).
EXHAUST:
Production type mufflers or
collector mufflers are required. Modification or removal of muffler
internals is prohibited (no gutting).
IGNITION:
No restrictions
OILING SYSTEM:
No Restrictions. The
front cross member may be altered for oil pan removal. Vacuum pumps are
acceptable.
ON BOARD DIAGNOSTICS / DATA
RECORDERS:
On board diagnostic
computers and recorders are permitted. Memory and playback tachometers
are allowed.
TRACTION CONTROL:
Not Permitted &
Strictly Prohibited
STEERING:
Rack and Pinion allowed on all
vehicles.
STREET LEGAL REQUIREMENTS:
All cars are required
to have working headlights and tail lights. Brake lights, turn signals
are not required to operate.
TIRES:
Front tires must have a
minimum tread width of 4.5 inches. Front tires do not have to be DOT
approved. Rear Tires...12 inch
MAX wide D.O.T. Drag Radials or Mickey Thompson 31x14.5et street (3768)
WHEEL BASE:
Must retain stock
wheel base with a maximum variation right to left and front to back of
one inch..
XDR/TT-5 WEIGHT GUIDE
Base Weight (All weights are race-ready, car with
driver)
4 Cly W/Any Power
Adder........................................................2650 lbs
6 Cly
W/Nitrous.........................................................................2650 lbs
6 Cly W/Turbo or
Blower.........................................................2850 lbs
6 Cly W/Turbo and
Nitrous.......................................................3300 lbs
Small Blocks
W/Nitrous.............................................................2500 lbs
Small Blocks
W/Single Turbo (up to 94mm) .............................3000 lbs
Small Blocks
W/Single Turbo (94.01 to 98mm) .........................3100 lbsSmall Blocks W/Single Turbo (98.01 -
118mm)..........................3200 lbs
Small Blocks W/Twin
Turbo (Up to True 80mm ea) ..................3250 lbsSmall Blocks W/Twin Turbo (80.001 - True
88mm MAX ea) ......3350 lbs
Small Blocks Roots
Supercharger.............................................3200 lbs
Small Blocks
Centrifugal Supercharger (Up to 4.5 Inlet)............3000 lbsSmall Blocks Centrifugal Supercharger (4.6
to 5.5 Inlet)............3050
lbsSmall Blocks
Centrifugal Supercharger (5.6 to 6.05 Inlet MAX)..3150 lbs
Big Blocks Nitrous up to
555ci....................................................2900 lbs
Big Blocks Nitrous 556ci -
600ci..................................................3000 lbs
Big Blocks Nitrous 601ci -
650ci..................................................3050 lbsBig Blocks Nitrous 651ci - 750ci
MAX..........................................3300 lbsBig Blocks Roots
Supercharger..................................................3350 lbs
Big Blocks Centrifugal Supercharger up to F3A-123...................3375 lbs
Big Blocks
Centrifugal Supercharger All F3R or Single Turbo....3425 lbs
Big Blocks Twin
Turbo (True 88mm MAX each)...........................3550 lbs
WEIGHT ADDS:
Add 50 lbs. For Non Factory Location Firewall
Add 50 lbs. For Non Factory Bore Space Block
Add 50 lbs. For Engine Set-Back over 2" but not to exceed 4"
Add 50 lbs. For "Boosted" Small Blocks using CFE "Pro
King" & Edelbrock "Victor II", Yates High Port (part #'s 6049SC1 & 6049C3H) Edelbrock (SC-1) Brodix (BF 200 & 300
Series) CFE "Storm"or any splayed valve cylinder heads or Canted Valve
(Brodix CV SP265 & SP330) or similar Canted Valve Cylinder Heads
Add 50lbs. For "Boosted" Big Blocks Using Dart 383 Oval Port Heads Or
Similar (Conventional Head with valve angle +/- 3 degrees From Factory)
Add 125 lbs. For "Boosted" Big Blocks using any Canted,
Splayed Valve, Pro Stock or Big Chief Style or similar Cylinder Heads
Add 250 lbs. For "Boosted" Big Blocks using Brodix part
#'s PB-1200 PB-1201 PB-1202 and PB-2005
WEIGHT DEDUCTS:
Deduct 150lbs. For All "Mod
Motor" Combinations
Deduct 400lbs. For no Power Adder (Use Nitrous Base Weights)
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