MINI STOCK RULES 

APPROVED MODELS
Any four-cylinder cars. No turbo charged or v-tech car allowed. Must have complete stock body, frame and suspension. Cars may be front wheel drive, with a standard or an automatic transmission.
 

BODY/BUMPERS

No body parts can be any lower than 4”.
Rear pillar windows may be replaced with Lexan.
All glass, headlights and taillights must be removed except windshield.
Driver’s door must be welded or bolted shut.
Passenger door must be welded or bolted shut.
Glass windshield is permitted.
Lexan windshields are permitted, must have two braces.
One stock inside mirror, to the right of the driver,
No exterior mirrors are allowed.
All cars must begin each race with a complete body (hood, doors, fenders, trunk, etc.) unless damaged in practice.
Stock front and rear bumpers must remain or be replaced by a maximum 2” (in any direction) pipe or tubing.
MUST HAVE FRONT AND REAR BUMPERS ON AND COVERING THE TUBING AT ALL TIMES.
Can be stock or plastic off any style body.
Tow hooks are required front and rear. They must be attached to any solid structure. Three or four links of chain welded to the bumper mounts is sufficient.


INTERIOR
Gearshift and pedals must remain.
Aftermarket oil pressure and heat gauges are allowed. Roof insulation, floor covering and other interior must be removed. Seat must be bolted to cross bar to prevent back of seat from going forward or backward. Aluminum racing seats are allowed.

 

EXHAUST
A single stock sized exhaust pipe (Max 2’ or have stock bolt bracket for resonator following stock pattern) must be attached to the stock manifold and remain the same size until it exits. Exhaust must point away from fuel tank.


FLOOR
Stock floorboards must remain. All holes must be covered with stock thickness metal and follow original contour.


GAS TANK
If original gas tank is ahead of the back of the rear wheels, it must remain and be used.
It is mandatory that a safety chain be installed under the tank running front to back to catch the tank in case the original straps break.
If original tank is located behind rear wheels must be removed and a maximum 10 gallon fuel cell be securely installed with metal straps/brackets in trunk, with filler inside trunk. Firewall or metal box is
Mandatory if fuel cell is in trunk.


ENGINE, DRIVETRAIN AND COMPONENTS
Engine, transmission (automatic or standard), and rear end must remain stock. No interchanging parts. Motor is to be stock for make and model of car.
If running automatic transmission, must run automatic throttle body. If
running standard transmission, must run standard throttle body. No LSD or Possi track transmission allowed
Stock carburetor/fuel injection system for make and model only. Stock air intake systems. No K&N (or similar) filters. Stock filter must remain but paper can be hulled.
All steering components, shocks, struts, etc. must remain stock for vehicle. Wheelbase must remain the same on
both sides. Camber on LF will be 3º and RF will be no more than5º(+/-) post-race. Rear wheels will be no more than 2.5º (+/-). Stock four-wheel brakes. No rear sway bar. Springs may be lowered.
Car may not be any lower than 5".
Cars considered by officials to have altered components could be subject to rejection or disqualification based on the decision of officials.
May use adjustable ball joints in front only on all models (No adjustable control arms allowed).

 

HOOD
Full stock hood, bracing, and hinges must remain. Only the latch may be removed and a tie-down or pins to be Used. All insulation under hood must be removed. No scoops or air dams.


BATTERY
THE BATTERY CAN BE LOCATED IN THE ENGINE COMPARTMENT IN THE STOCK
LOCATION. ANY BATTERY LOCATED IN THE DRIVER COMPARTMENT MUST BE LOCATED AS CLOSE AS POSSIBLE TO THE FIREWALL AND RIGHT FRONT TIRE AND INSIDE A MARINE CASE. THE BATTERY MUST BE SECURELY FASTENED.
TRUNK
Full stock trunk, bracing, and hinges must remain.
Rear hatch must remain.
And a tie-down or pins to be used. Floor must remain. Repair of floor O.K. with stock thickness metal. Must follow original contour.

 

RADIATORS
Radiators must fit in stock radiator cradle. No antifreeze or other cooling additives allowed. Water only.


NUMBERS
Numbers must be 18” high on both doors and roof, and readable from the grandstands.
Also require a 6”white number on the top passenger side corner of the windshield Recommend white numbers.
Any numbers deemed difficult to score by the officials, the driver will be informed and expected to make necessary changes. Failure to do so could result in a refusal by Officials to honour any scoring concerns about the effected car.


TIRES AND WHEELS
All wheels must be either 185/60 12” to 205/60 15” or 185/65 12” to 205/65 15” diameter and 60 or 65 series only.

NO ALUMINUM WHEELS. No legend tires. 
No intermixing of wheel size is permitted.
All tires must be the same size.
No V rated tires. All tires must be DOT approved.
Stock passenger wheels (unmodified) only.
Must run same offset on all 4 wheels.
All 4 wheels must be same.
Maximum wheel width is 6” on front and rear.
No chemical treating of tires (i.e. Compound Altering / Tire softening). Tires will be subject to durometer testing. Failure to comply will lead to penalties/suspension.


BRAKES
Car must have properly working 4 wheel brakes.
No air ducts allowed.

 

ROLL CAGE/BRACING
Minimum Center Roll Cage/Bracing (interior main cage) 
The main cage will consist of four upright bars to form the cage perimeter. These uprights must be welded to the frame. The two front bars will be angled back inside the body “A” pillars. The rear bars will extend up to the roof. These four bars will be welded to the “halo” bars that will form the perimeter of the upper cage 
Top of the roll cage halo bars must be touching the roof. There must be a minimum of 
3" clearance between the driver's helmet and top of the halo. The driver’s side door bars will consist of a minimum of three parallel bars attached between the front and rear cage upright bars and angled out to the inside of the outer door panel. The parallel bars must be joined by a minimum of six evenly spaced vertical bars to support and strengthen the door bar construction. 
The driver door bars MUST be filled in and covered with a minimum 1/8" thick steel plate. This is MANDATORY on the driver’s side. Plating must cover all drivers’ door bar area. 
Safety: Must have racing seat and fire suit is mandatory at all times when on the track Practice time included. Up to date fire extinguisher must be in car and not expired. Minimum 4 point harness is required.

© Speedway Miramichi Inc. 2018 - Website proudly created with Wix.com

Background Photo Credit Mike Francis (Used with permission)