The rules and/or
regulations set forth herein are designed to provide for the orderly
conduct of racing events and to establish minimum acceptable
requirements for such events. These rules shall govern the condition
of all events, and by participating in these events, all
participants are deemed to have complied with these rules. NO
EXPRESSED OR IMPLIED WARRANTY OF SAFETY SHALL RESULT FROM
PUBLICATIONS OF OR COMPLIANCE WITH THESE RULES AND OR REGULATIONS.
They are intended as a guide for the conduct of the sport and are in
no way a guarantee against injury or death to a participant,
spectator, or official.
The race director shall be empowered to permit reasonable and
appropriate deviation from any of the specifications herein or
impose any further restrictions that in his/her opinions do not
alter the minimum acceptable requirements. NO EXPRESSED OR IMPLIED
WARRANTY OF SAFETY SHALL RESULT FROM SUCH ALTERATION OF
SPECIFICATIONS. Any interpretation or deviation of these rules is
left to the discretion of the officials. Their decision is final.
2018 BMS Mini Stock/4 Cylinders
1. Wheel well
may be enlarged to clear tires.
2. Doors may be
gutted to add door bars. Must have 4 driver side bars and 3 bars on
3. FULL STOCK
(stock appearing) floor pan back past the rear end. Patching or
plugging may be steel, aluminum. NO TUBE CHASSIS ALLOWED!
4. FULL STOCK
(stock appearing) Steel fire wall in stock location.
5. ALL body
panels must be represented with stock appearance, may use steel or
6. All spoilers
must be lower than 6" in height as measured from the deck line and
cannot exceed the length of the deck.
7. Rub rails
"flush" against the door panels only ok.
8. NO changing
of frames from 0" in front of the "A" frame to the back of the rear
9. You must have
a shield to completely separate the driver from the radiator,
radiator must remain in the engine compartment.
AND INTAKE: 4412 Holley 2 barrel or stock factory carbs, 2 barrel
only. Bottom of carburetor can be no larger than 1 11/16" diameter.
Must be stock Ventura 1 3/8". Gas tank must be in steel container in
the trunk of the car. Fuel cell Mandatory. Pump gas or racing fuel
only. No alcohol or Nitro or oxidizers of any kind. NO AFTERMARKET
INTAKES. Stock intake only. The only alterations that must occur
directly under the carburetor to allow for after market carburetor.
(I.E. 4412 Holley, etc) STAY OUT OF THE RUNNERS. Two inch
spacers/adapter is allowed.
11. Battery MUST
be in the rear of the car separated from the driver and COMPLETELY
12. Door must be
welded or bolted shut.
Stock block and stock heads, NO TURBOS, no stroked or de-stroked
short blocks allowed. Stock crankshafts only (balancing allowed). NO
lightened, knife edged, etc.. cranks. Ford to Ford, Chevy to Chevy,
and so on. Any length steel rod allowed. Any pulleys allowed. Engine
must be in stock location, no moving it back. FLAT TOP or DISHED
PISTONS ONLY! Front wheel drive cars with any and or all twin cams,
multi valves per cylinder or fuel injection will be allowed to
compete provided that all engine and computer controlled components
are completely factory stock. No Rear wheel drive with the previous
mentioned items allowed. Head may be shaved any competition valve
job is allowed. All angles must be concentric to the valve guide.
Any stock diameter steel valve is allowed. Stock means Stock head
and stem for the head in question. NO aftermarket roller lifters or
cam followers allowed. NO gasket matching or porting of any kind
allowed in the heads and or intake other then what has been
described . Must have 1" inspection plug in the oil pan for
crankshaft inspection. Must be located with access for tech
TRANSMISSIONS: Factory stock automatic with stock factory torque
converters. NO lockup converters allowed. Factory stock standard
with all gears functioned including reverse. Any flywheel any safe
clutch, pressure plate!! NO ram couplers.
15. Headers: Any
header is allowed.
must be factory stock.
17. Wheels may
not exceed 8" and must be steel! Grooving punch 55 or higher! No
more than 9" of tread width! BEADLOCK WHEELS ALLOWED ON THE RIGHT
REAR ONLY. 1 INCH LUG NUTS MANDATORY.
18. NO four
wheel drives or engines in rear allowed
Springs may be after market. No wedge bolts or spring adjusters
allowed. MAY USE SPRING SPACERS, Rear leaf spring cars are allowed
lower/lift blocks and multi hole shackles. NO sliders or adjustable
lowering blocks allowed.
Must use unaltered OEM hydraulic lifters only, hydraulic cams
allowed. NO solid lift cams allowed unless it came stock in that
year car. Solid lift cams may not exceed .470 lift and will be
measured as follows, Ford cam lobe, base circle, x 1.66rocker ratio.
Toyota cam lobe base circle x 1.55 rocker ratio.
21. SHOCKS: Must
be stock. NO racing shocks. Must mount in stock position.
22. MUST HAVE
RACING SEAT & SEAT BELTS. Seat & Belts must be fastened to roll
23. Rear body
panel must be enclosed from deck lid to rear bumper.
complete motor tear down to inspect all components include the rods
and crankshaft (lower - end) head and related components, bore and
stroke will cost $250. A partial motor teardown (head and related
components). Bore and stroke will cost $125. A complete inspection
of the chassis and related components will cost $125. THE DRIVER
PROTESTING MUST HAVE PARTICIPATED IN TWO PREVIOUS RACES AT THE
TRACK, MUST HAVE FINISHED IN THE TOP FIVE AND CAN ONLY PROTEST A
FINISHING POSITION AHEAD OF HIS/HER OWN. THE DRIVER GETTING
PROTESTED HAS 5 MIN TO PROTEST DRIVER PROTESTING HIM, IF HE/SHE
WISHES. DRIVER MUST HAVE THE $250/$125 IN THERE POSSESSION WHEN
ENTERING TECH AREA!
24. WEIGHT: ALL
CARS MUST WEIGH 2500 LBS - MANDATORY
25. Drive shaft
must be painted white. Must have drive shaft loop.
26. Stock front
ends and stock swing arms must be factory stock only.
27. Brakes may
have 3 or 4 working brakes - NO adjustable proportioning valves
28. Fuel pumps
may be stock or electric. If you have an electric pump you must have
a oil pressure shut - off switch.
must be stock OEM type rear-end. Locked rear-end are allowed - 9
INCH OK! NO TRACTION CONTROL OF ANY KIND.
30. May use a
three quarters inch length shaft with quick release steering wheel.
QUICK STEER O.K.