RULE BOOK DISCLAIMER

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.

2010 BMS Crate Late Model Rules

Safety Rules

All cars must have 3" seat belts with shoulder harness and must be attached to roll cage.
All cars must be equipped with a 2 pound ABC fire extinguisher. We recommend a #5 Halon System
All drivers must ware a complete fire suite.
Gloves are not required, but highly recommended.

Engine Rules

GM Part Number 88958602 & GM Part Number 88958604.
These engines are sealed at the intake manifold, cylinder head, front cover, and oil pan with special twist off bolt heads. Crate engines must not be altered, modified or changed from factory specs.
The sealed engines must remain intact and not be tampered with; any seals that have been removed or tampered with will make the engine illegal and not eligible for competition. The penalty for anyone tampering with seals, modifying any internal engine parts, changing the parts from stock as delivered sealed from the factory will be subject to expulsion from racing (racin USA) sanction event for the remainder of season and future seasons.
No changes are allowed to the engine - intake manifold, heads, valve covers, front cover, oil pan, harmonic balancer or any other part / or parts on or in the engine.
No vacuum pumps
All crate engines must remain stock as they come sealed from the factory.. Crate engines can not be altered, modified or changed from factory specs.
Engine seal numbers must be clearly visible to series technical inspectors.
Any violation of the engine rules and or factory specs inside the sealing bolts of the engine will result in the driver being disqualified from that event, and suspended from series competition for one year and pay $1000.00 fine. After that period, the driver can only compete with an engine equipped with original factory sealing bolts, and may not compete with an engine equipped with "RM" bolts, unless authorized by the series officials. This also applies to the car owner should another driver compete with it.
Any violation of the engine rules and or factory specs outside of the sealing bolts of the engine will result in the driver being disqualified from that event, suspended from the series for 30 days, and fined $500.00.

Engine Setback Rule

Engine setback will be 6" from center of the top ball joint to the most forward spark plug on the jig-frame car with 1" tolerance on the engine setback. There will be a minim 50 pound penalty forward of the motor plate for each 1/2 inch of setback beyond 7 inches of the engine setback, and can go up to 100 pounds penalty. Cars with more then 8 inches engine setback will not be allowed to compete.

Carburetor Rules

One four-barrel carburetor only from any manufacture.
Engine must be naturally aspirated.
604 - may use one carburetor spacer ( 1 inch - one piece with .040 tolerance maximum) and two standard paper gaskets (maximum 0.070 inch thick), one gasket between intake spacer and one gasket between spacer to carburetor.
602 - May use one carburetor spacer (2 inch-one piece with .040 tolerance maximum) and two standard paper gaskets (maximum 0.070 inch thick), one gasket between intake to spacer and one gasket between spacer and carburetor.

Distributor Rule

Any electronic distributor-type ignition system.
No crank trigger
No distributor less multi-coil
No magneto ignition

Starter Rule

All cars must have starter in working order.

Water Pump Rules

Cast or aluminum permitted.
No electric water pump.

Exhaust Rules

Collector type headers required, must have four (4) tubes into one (1) collector of a consistent diameter.
Mufflers not required.
No tri-y headers or merged headers allowed
No square-tube headers allowed.

Brake Rules

No carbon fiber brakes.

Frame Rules

All frames bust be of steel construction
Square or rectangular frame must have a minimum of 2" x 2" material, 0.83 wall thickness.
Round Tube Frame - Tubing must have a minimum of 1-3/4 outside diameter, .083 wall thickness.

Body Rules

Lucas oil late model body rules apply.
Maximum spoiler height is 12 inches.
Spoilers must be made of a transparent material such as (lexan), sheet aluminum, or materials of equal strength. Spoiler supports should be made of equal material on both sides. No open spoiler supports.
Aerotech dominator nose piece is allowed.
No mirrors.
No radios.

Fuel Cell - Fuel Pump Rules

An approved fuel cell (32 gallon maximum) must be securely mounted in the trunk area of the car, inside a .20 gauge metal box supported by a minimum of two 2" by 1/8" steel straps.
All fuel cells must be completely visible from the rear of the car.
Pump gasoline or racing gasoline only - No Ethanol, (E85 or E105) no Methanol, or Alcohol no Nitrous Oxide, no Oxygenated racing fuels, no Nitrous Methane or other Nitrate Additives, no propylene Oxide, no Dioxanes, or fuels containing any of the above fuels that test positive for these additives will, be disquafied.
No eclectic fuel pumps, must be mechanical fuel pump only - cam driven mechanical fuel pump only, cam driven or belt driven, no electric fuel pumps.

Roll Cage Rules

All cars must have a suitable steel roll cage protecting the drivers compartment, including head rest.
Slide roll bars are mandatory, and must extend into the door panels. A minimum of three (3) bars must be on the left side.
Each bar must be at least 1 1/2" diameter, with a minimum material thickness of .083".
Roll cages must be welded to the frame.

Weight Rules

GM Crate Engine # 88958602 - 2200lbs at all times and after race
GM Crate Engine # 88958604 - 2350lbs at all times and after race
Attached weight must be securely bolted to the frame with 1/2 inch or larger bolts. Weight must be painted white with car number displayed. You will be disqualified if you lose weight on the track.

TRANSMISSION RULES

Must have at least one forward and one reverse gear in working order.
No straight drives or in and out boxes.
Drive shafts must be painted white- carbon fiber drive shafts are legal.
Ball Spline transmissions- strongly recommended to run carbon fiber drive shaft only! (this is for your safety)

Wheels Rules

Any brand or type of wheel allowed. Must be mounted with lug nuts.
No knocks-off or center lock wheels. Max Wheel width 14".

Wheel Base Rule

103" minimum wheelbase for jig and snout car.

Tire Rule

Hoosier crate spec 55 tires only. NOTE: Weekly NeSmith Late Models may run Crate 55 or 21 Per NeSmith Rules, Isle Of Capri Late Modes may run Crate 55 ONLY.
No chemical alternation of the tire carcass and/or tread compound, such as tire soaking or use of tread "softener".
No physical defacement (removal, altering, or covering), of tire sidewall markings in any manner.

Drivers car Changes and Substitutions

A driver may go to a backup car before qualifications. Backup cars may not be used after a driver qualifies his primary car. The backup car must be teched before qualifications begin.
Driver already qualified may go to another car qualified and start at the rear of the pack
A driver may only enter one car per event, unless a backup car is utilized before the start of qualifications.