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Pro Stock**Will run with Mod Prod in `09**
PRO STOCK will be run with Mod/Prod in 2009 !!!
PRO/STOCK
Brandt Racing Ent.
Entry Fee........ $ 100
WINNER......... $ 1200 R/U.......... $ 400
SEMI.(8+ cars).. $ 150
C.F.O.ENTERPRISES
QUICK Qualifier...BONUSES
Quickest P/S Qualifier................. $ 75
Quickest M/P Qualifier................. $ 75
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Tech............................ 50 points
Qualifying
The #1 Qualifier will always earn 10 points more than 2nd.
Example...8 car field
#1................................ 17 points
#2................................ 7 points
#3................................ 6 "
#4................................ 5 "
#5................................ 4 "
#6................................ 3 "
#7................................ 2 "
#8................................ 1 "
Each Round....................... 20 points
Winner............................ 20 points
E.T. Record....................... 20 points
MPH Record...................... 10 points
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CLASS DESCRIPTION:
PRO STOCK is for normally aspirated (no power adder) vehicles of all types with
rear suspensions that may utilize ladder bar or four-links (no full tube chassis).
All entries will compete on a maximum 30X10.5 (non-W) slick or Max 315 Drag Radial. Super Stock type front-wheel drive conversions are legal.
**Pro/Stock will run with M/P in `09**
If you have any questions call Tim Rigby at 661-816-9838
BALLAST:
Permanently attached ballast may be added in a NHRA legal manner. Removable
ballast for the purpose of classification adjustments is limited to 100 lbs. in an
approved NHRA weight box.
BODY:
The car must retain its original appearance and profiles. Aftermarket fiberglass
replacement panels are limited to hood, front fenders, doors, deck lid and bumpers.
One piece front ends are permitted, but must retain factory un-altered grill and
headlights
FRONT GRILLE:
Complete factory un-altered grille is required. Grilles may be covered, but with
only clear tape or clear Lexan or Plexiglas, and must have prior approval from a
WCHRA Official.
REAR WING/SPOILER:
Aftermarket wings and spoilers are permitted, but may not extend more then
16" from the transition point with the body to the tip of the wing. Rear Wing
"Spill Plates" does not have an exact size requirement, but must remain in the
spirit of the PRO STOCK class.
(If your wing is questionable, notify the WCHRA before you enter a race)
FIREWALL:
Must retain in original factory location, and be constructed out of sheet-metal.
Notching of factory firewall for valve cover clearance is allowed.
HOOD / SCOOPS:
No grossly oversized hood scoops. Final Decision will be made by race director
INTERIOR:
Dash board must be stock appearing and in stock location. Door panels must
be covered or painted. Carpet and or upholstery is required to cover the flooring
and tunnel where visible. Headliner is not required.
SEAT LOCATION:
Two front bucket seats (racing seats OK), or full bench seat with upholstery is
required.
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.
BRAKES:
The braking system may be upgraded to discs or larger drums. All cars must
have front and rear brakes.
CHASSIS / SUSPENSION:
FRONT SUBFRAME:
All sub framed or full framed cars must retain complete stock front sub-frame
from firewall forward. Frame connectors or rear frame rails may not pass engine
firewall,except for the following exceptions. The 62-67 Chevy II's and 64 1/2-68
Mustangs and similar cars with bolt-on front K-members, must retain stock or
aftermarket bolt-on front sub-frame. The sub-frame must be a bolt on
(not welded, unless kit is approved by WCHRA officials) to factory mounting
location.Frame connectors or rear frame rails may pass firewall location, but not
exceed where original front sub-frame mounts to the body. All late model Mustangs
must retain factory front sub-frame from firewall forward. Stock or direct fit after
market K-members are permitted, but must be bolted in factory location using
factory bolt holes. Cross members on all front sub frames may be altered or
removed for oil pan clearance.
FRONT SUSPENSION:
All cars must retain stock suspension, aftermarket tubular control arms, coil over
kits or OEM front strut retrofits are permitted. But must be a direct bolt on, no
welding modifications permitted. Stock wheelbase will be enforced on all vehicles.
REAR:
Any rear suspension
DRIVE TRAIN:
AUTOMATIC TRANSMISSIONS:
An automatic transmission originally produced by any American automobile
manufacturer is permitted. Transmission-to-engine adapters are permitted.
Aftermarket torque converter, transbrake,shift kit, valve body, shifter, and pan
cooler use are permitted.
MANUAL TRANSMISSION:
*Aftermarket Manual Transmissions (Clutchless Jericho, Liberty,G-Force or
similar) are allowed. All shifts must be made manually without the aide of
aftermarket electric or pneumatic devices.
ENGINE:
There is no limit for small blocks and a 600ci limit for big blocks. There are
no restrictions on internal engine modifications.
BLOCK:
Aftermarket iron or aluminum blocks are permitted.
EFI:
(Electronic Fuel Injection) Any EFI or digital fuel injection is permitted.
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 such cases, the engine set back may be no
further back than the original location.
HEADS:
Two valves per cylinder maximum. One spark plug per cylinder maximum.
***All billet cylinder heads prohibited***
INTAKE MANIFOLD:
No restrictions.* See add weight section.
EXHAUST:
Production type mufflers or collector type mufflers are required. No collector inserts permitted.Modification or removal of muffler internals is prohibited (no gutting).
FUEL / FUEL SYSTEMS:
Gasoline & Alcohol only (No Nitro) The WCHRA reserves the right to check gasoline
at any time during competition. Failure to pass fuel check is grounds for
disallowance of the run during qualifying and disqualification from the event
during eliminations.
IGNITION:
No restrictions.
OILING SYSTEM:
Any oiling system is permitted. 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.
PARACHUTE:
Must meet NHRA requirements
RADIATOR:
An automotive-type radiator is required.
STEERING:
After market rack-and-pinion is allowed.
STREET LEGAL REQUIREMENTS:
All entries are required to have two headlights and two tail lights
(headlight doors must be fixed open or work manually or automatically on cars so
equipped). Brake lights,turn signals 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 must be a maximum 30X10.5 slick(non-W)
or MAX 315 Drag Radial.
***Hoosier tire, part number 18192D05 will not be allowed***
WHEEL BASE:
Must retain stock wheelbase with a maximum variation of one inch.
(right to left, front to back)
WHEELIE BARS:
Wheelie bars permitted.
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PRO STOCK WEIGHT GUIDE:
(All weights are race-ready car with driver)
4 cyl....................................................................................2250lbs
V/6's....................................................................................2350lbs
SMALL BLOCKS..up to 356ci.........................................................2450lbs
SMALL BLOCKS..357 - 400ci.........................................................2525lbs
SMALL BLOCKS..401 - 440ci.........................................................2600lbs
SMALL BLOCKS..over 441ci..........................................................2675lbs
BIG BLOCKS........up to 510ci.......................................................2825lbs
BIG BLOCKS........511 - 555ci.......................................................2925lbs
BIG BLOCKS........556 - 600ci.......................................................3000lbs
***ADD WEIGHT(In percent of your Engine Cubic Inch Displacement) ***
*For use of Sheet Metal/ Fabricated Intake Manifold................................10%
*For use of Dual Carbs...................................................................10%
*For use of "Dry Sump" Oiling System .................................................10%
*For use of 2-Speed Automatic Transmission..........................................5%
*For use of 3-Speed Automatic Transmission.........................................15%
*For use of Manual Transmission (Clutch Version)....................................35%
*For use of Manual Transmission (Clutchless Jericho or similar)....................45%
*For use of Manual Transmission (Liberty/G-Force)..................................55%
*Small Blocks using Edelbrock "Victor II",CFE "PRO KING",GM SB.2, 15 Degree
(GM Part#24502615) or similar "Comp Eliminator" style heads......................15%
*Small Blocks not using "True Wedge" or any "In-line Valve" Heads, Example: Yates
or Edelbrock HighPort (part #'s 6049SC1 & 6049C3H) or GM Sym/Splayed.........20%
*Big Block Cylinder Heads (+or-3 degrees from Factory Valve Angle)
Dart 383 Oval Port or similar / Highly Mod Intake Runner Location /
Ford C & E Motorsports..................................................................15%
*Big Blocks using Big Chief, Big Duke, Pontiac, Ford C & E Profiler, Olds,
Symmetrical and / or any Non Conventional cylinder heads..........................40%
DEDUCT WEIGHT:
For Vehicles using "Stock Suspension" W/Stock Frame Rails............Deduct -20%
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WCHRA REQUIRED DECALS:
CLASS SPONSOR DECAL:
Sponsor decal must be installed on base of windshield on the passenger side.
(Bottom left hand side when looking at front of vehicle windshield)
SERIES SPONSOR:
Sponsor decal must be installed on base of windshield on the driver’s side.
(Bottom right hand side when looking at front of vehicle windshield)
EVENT SPONSOR DECAL:
Sponsor decal must be installed on base of windshield on the driver’s side.
(Bottom right hand side when looking at front of vehicle windshield)
Decals will be available during registration at the WCHRA Event Trailer
CONTINGENCY DECALS:
All contingency decals may appear anywhere on the windows in a clear and
organized fashion.Contingency decals may not be overlapped or modified.
Most decals are available at the WCHRA Event Trailer, but in the event the
WCHRA does not have the decals in stock, it is the racer's responsibility to
obtain the proper decals to be eligible for the Contingency payout.
RACE DAY POLICIES:
SCALES:
After each qualifying and elimination pass, all cars must stop and weigh at
the track scales. If you lose in eliminations, and your opponent fails to make
weight you will be reinstated into the eliminations only if you made minimum
weight requirements. If both cars failed to make minimum weight, both cars
will be disqualified. It is the driver's responsibility to verify with each track
scale, the weight of his/her car prior to each race day. There will 5lb error
factor allowed.
TOW BACK & TOW VEHICLES:
All PRO STOCK entries are allowed to tow to staging lanes, after track scales
and down return road with a tow vehicle. All tow vehicles will be subject to
search by a WCHRA Official at any time.
BYE-RUNS:
Vehicles must take the tree, and run down the 1/4 mile.
**** Unless told otherwise by Race Director****
All drivers and vehicles must meet current NHRA and track requirements.