2008 Track & Race Day Guidelines
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 evens. 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 express or implied warranty of safety shall result from publication of or compliance with these rules. 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. Board Members have the right, following the intent of the rules, to rule on any matter not definitely covered in the rules. Montana Bump-n-Run, LLC reserves the right to make changes to the rules during the course of the season, to ensure greater safety or more equal competition.
Safety Rules and Minimum Requirements
Limited & Modified
1. Driver Controlled
A. Helmets, Neck Collars & Eye Protection: all helmets must be Snell 90 certified or better. A helmet shield or some type of goggles for eye protection is mandatory. Neck collars are mandatory.
B. Fire Suits: Driver is recommended to wear fire resistant racing suit. Shirts with at least 4” sleeves are required. No tank tops. Full-length pants and shoes required by all drivers.
C. Amber Light/Brakes: every vehicle will have to show that it can lock-up at least two wheels at ‘Tech’. An amber running light no less than 3” or 2”x5” needs to be mounted in back window for visibility in dusty conditions. No excessively bright lights.
D. Any racers with 2-way radios must inform track of their use so there is no conflict between track frequencies.
2. Driver’s Area
All glass, chrome, plastic, fiberglass, bolts, screws, and loose metal must be removed from exterior of car, inside of doors and driver’s compartment (non-glass mirrors allowed).
A. Dashboards must be removed. After market gauges allowed.
B. Doors, hood, and trunk must be welded, bolted, pinned or chained shut. No chain from hood to/around core support or bumper.
C. Sun roofs or T-tops must be covered with aluminum or sheet metal that is securely fastened.
D. Hood and trunk must have 6” or bigger, or 4”X10” hole on passenger side unblocked access hole for fire hose.
E. Gas tanks may be left in original position but NOT used for gas or as a fuel cell. Only UL approved manufactured gas tanks. Fuel cell recommended. Must be securely fastened in trunk and vented. Car must have firewall between fuel tank and driver. No homemade tanks or cans allowed.
F. Battery must be mounted inside driver’s compartment or trunk. Battery must be securely mounted within the battery box, which must also be securely mounted.
G. Car numbers up to a max of 3 digits must be a minimum 13” high and appear on driver and passenger sides. Number fin on top of car is required with number being no less than 7” high. Number must. Number fin must match door number and be contrasting to car for easy visibility.
H. Cars with electric fuel pump must have a 3” letter “E” painted behind car number. No other alpha-characters are allowed in the car number.
I. Mud flaps mandatory for all cars and must be of mud flap material. Must be at least 12” by 12”, and no more than 4” from ground. Mud flaps must be mounted in the rear for front and rear wheel drive cars, and line up with the tires. Mud flaps must be on car at lineup or the car starts at back of that race.
K: Seats and mounting: aluminum aftermarket racing seats are highly recommended for all classes. All seats must have reinforced mounts, preferably to roll cage or by using sandwich steel plating to solid areas of the vehicle. This is to insure that the seat can’t break away from the belts/harness.
L: Harness and Mounting: a five-point racing style 3” lap and shoulder safety harness is mandatory. All belts must be in good condition and not sun bleached or fatigued. NO home made belts. All belts need to be mounted securely and correctly.
M: Roll Cage: a roll cage must be in a six-point configuration. Use a minimum of 1 1/2 inch round tubing with .095-inch wall. The roll cage must consist of a rear loop, one front loop with interconnecting bars, two rear braces and one diagonal brace with three horizontal door bars to protect the driver. Door bars need to be placed high enough and low enough to protect the occupant. Plating in driver door recommended. Welds must be of good quality, good penetration and may be hammer-tested. No brazing, grinding welds or using body filler around welds. Roll cage must be at least 3” in any direction from the driver’s helmet. Cage bars must be padded anywhere drivers helmet may come in contact. The cage must be securely mounted; body mounted cages must be bolted through and attached by using a sandwich method, or welded on 12” square inch 1/8th plate. Cage bars ahead of firewall differ by class so see specific class competition rules. Cage recommended around fuel cell.
N. Switches: track workers must be able to quickly find and turn off the ignition. The switch is to be painted orange and must be labeled “on” and “off”. It must be located in the center of the dash area so track workers can reach it from either side of the vehicle. Cars with electric fuel pump; a pump cutoff switch must be mounted with the master kill switch and painted orange for visibility. Car must have a 3” letter “E” behind car number and on fin.
O. Floor boards and Fire Walls: all must be in good, solid condition with all holes and damage repaired better than original strength. Plating is recommended to prevent materials from puncturing floor. Station wagons and other vehicles without trunks, must build a rear firewall to protect the driver’s compartment from fluids and/or flames, which could come from the fuel cell, filler cap, fuel lines, etc.
P. Fire Extinguisher: a working, U.L. approved fire extinguisher must be in each pit.
Q. Nets: Driver’s side window must be covered with a factory racing window net. All nets must be mounted very securely to the doors and must be accessible and detachable from the bottom or top. No Velcro closure mechanisms allowed.
R. Windshield mesh screen: all window mesh/screens must be strong enough to stop a softball-sized rock.
S. Oil, Water & Fuel lines: Lines should have no leaks, and not in danger of abrasion from any moving parts. Both classes must have secondary protection for any lines and tanks routed through driver’s compartment, and escape holes for the hot fluids behind the secondary protection shields and guards.
T. Throttle return: 2nd safety spring is recommended.
U. Radiators must be in stock position. If radiator mount is broken, a mount may be made to put around radiator.
Front end/Rear End:
Steering Linkage: All fasteners must have cotter keys or locknuts.
Hubs & Axles: Must be in good, safe condition without excessive wear
a. Brakes & Lines: At least two wheels must lock up.
b. Shocks & Mounting: For this safety inspection, everything must be well mounted and in good condition. All coil type rear ends in all classes must have chain or strap type limit devices. This is to keep the rear end of the car under the vehicle if the shocks fail to limit “drop” while vehicle is airborne.
c. Exhaust System: See Specific Class
d.
Drive Shaft Loop and Scatter Guard: A drive shaft retainer
hoop/loop is required, 6 - 10 inches from the front universal joint
sufficiently mounted to secure the drive shaft if it fails. The
hoop may be made of 2” nylon webbing, ¼” x 2” steel strap or chain. ¼”
plate shield or aftermarket scatter shield around clutch & flywheel
required on all manual transmission cars.
e. Bumpers: All cars must have a stock bumper that is well secured to the vehicle. Bumpers will not be “oversized” compared to stock equipment. Secure with chains or strap. Bumpers must be capped with a piece of up to 2” tubing or a strap of metal not to exceed bumper height. Must be contained within original body line of car.
f. Skid plate allowed, no more than 24” wide. It may extend from main frame cross member to core support or front bumper.
g. No transmission cooler may be in the driver compartment. Cooler may be in stock position or in trunk with a firewall in place.
h. Weight added to car must be properly secured.
Modified Class Rules
Please contact the following with any tech questions pertaining to these rules:
CASEY SCHLADWEILER: 406-262-2687 bumpnrun_77@yahoo.com
Passenger cars or station wagons using only two wheel drive, either front or rear wheel drive, produced in quantities of at least 5000 vehicles and available for sale in the USA.
1. Front and rear suspension: original concept of suspension and springs such as A-arm, leaf or coil springs must be used.
Allowed:
A. Stock suspension pieces from any vehicle in the same manufacturers series
B. Any ball joint adaptations but only in stock locations.
C. Spindles may be aftermarket or modified but must be as heavy or strong as OEM.
D. Different spring rates or added springs and weight jacks. Longer than stock, springs & shackles are allowed.
E. Reinforcement by plating, gussets, or other means.
F. Shock combinations and configurations are limited to 2 per wheel. Reservoir shocks allowed. Driver must be shielded from shock explosion danger. Coil over shocks ok.
G. Suspension parts may be moved to a maximum of + or – 1” from stock location
H. Travel limits may be increased to a maximum distance of 12” front 15” rear.
I. Any combination of sway bars either stock or aftermarket.
J. Any rear axle from any manufacturer under ¾-T rating, narrowed and reinforced housings ok.
K. Any style wheels. D.O.T. approved pneumatic tires only!
L. One radiator in stock location only.
M. Frame changes (GM to GM or Ford to Ford, etc.) frame must be contained within body configurations.
N. Wheel base: stock length base measurement must be retained + or – 2”
O. Steering: steering system components must be located within + or – 3” original location. It may consist of after market or custom parts as long as stronger and safer than stock. Steering brakes not allowed.
P. Bumpers: Non-stock mounts allowed. See Page 7, “e”. “Mud guards” must be made with flexible material, not metal or tin.
Q. Engine and Transmissions: engine and transmission must be a unit offered by vehicle manufacturer, available stock or as an option. Internal and external modification is permitted. One naturally aspirated carburetor allowed. Headers allowed.
R. Chassis: Must have factory frame. Strengthening the frame by adding material is acceptable. However, no frame member may be removed except to allow the addition of heavier and stronger pieces. Must pass tech for safety. Frame connectors allowed.
S. Body: the original shape size and concept must be maintained. Body mounting and location in respect to wheel base must be maintained. No fiberglass or hard plastic allowed on exterior of car. Wheel wells may be cut for tire clearance. Stock core support must be in stock location.
T. All roll cage must be behind core support and contained within body panels and trunk. 1/8 inch expanded metal and or flexible material such as tin or soft plastic can be used in front of the core support.
Not allowed in Modified class
a. Custom fabricated components to lighten un-sprung weight of vehicle.
b. Studded tires
c. ¾ rear end or custom fabricated rear end housings.
d. Pickup bodies or frames. Convertibles, Vans or SUV’s.
e. Fuel injection systems except stock system as provided on that specific model and year.
f. Blowers nor turbos. Nitrous Oxide or any other oxygen injection systems!
Limited Class Rules
This class MUST remain within its manufacturers factory components. i.e. GM to GM parts only; FORD to FORD; DODGE to DODGE, etc.
Please contact the following with any tech questions pertaining to these rules:
CASEY SCHLADWEILER: 406-262-2687 WADE GEORGE 406/687-5533
CLAIM RULE
A. “A” Main Winner’s Car is eligible for claim for 10 minutes after the last moving car has taken the checkered flag.
B. Car’s finishing the “A” Main have an option to buy the winner’s car beginning with 2nd place followed by 3rd place, to 5th place.
C. Claim is $1000 cash or $500 cash AND the car of the claiming driver. Seller’s choice. Cash must be given to any flagman with communication within the 10 minute claim time. Seller has 30 minutes to make decision. Once the claim has been made, the buyer may not back out of the claim.
D. If “A” Main winner refuses to sell, they lose money, points and trophy. Driver is ineligible for any race in any class for one calendar year. Placement money must be returned to the track and paid out at the next race at that track.
E. In the event of a claim, racing seat, racing harness, window net, fuel cell, tires & rims may be removed from the claim car.
F. If the car is claimed, it will not run in any more races that day.
G. Claiming driver must run the claimed car the next time the driver races. It will not be sold or given to another person until it is run one time by that driver.
1. Allowed Front & Rear Suspension:
A. Stock suspension pieces from any vehicle in the same manufacturers series.
B. Any ball joint adaptations but only in stock location.
C. Different spring rates or added springs & weight jacks. Longer than stock, springs and shackles allowed.
D. Reinforcement by plating, gussets, or other means on suspension components, rear ends, and frames.
E. 1 shock located in original location only, must be OEM style shock (designed to fit a production vehicle. Either a direct replacement of original or after market upgrade). Coil over shocks ok.
F. Tires must be DOT approved.
2. Engine
A. OEM cast exhaust manifolds exiting below heads.
B. All limited cars must use restrictor pipe, consisting of 2 pc 1 1/2 “OD X 18 “ long or 1-1 3/4 OD X 18 if single pipe is used. If two pipes converge to one, they must meet in a “Y” to merge into one pipe. Exhaust must run under the body and exit behind transmission cross member. Excessive leaks may be cause for disqualification. Exhaust system will be in place and functioning at end of each race. Faulty exhaust will result in a last place finish.
C. Stock components and parts only! The engine must be in stock position and have components such as fan & alternator hooked up and working at tech inspection.
D. Only 1 carburetor allowed.
E. Mechanical OEM fuel pump only Electrical fuel pumps only if originally on vehicle. Provisional electric pumps allowed on new style engine block.
F. Ignition system must use OEM stock systems. Spark plug wires may be
silicone style for heat control. Distributor caps may be changed. Rev limiter allowed.
Miscellaneous
A. Transmission cooler may be in trunk, original location or elsewhere in the engine compartment.
B. Firewall may be curved or bent for more distributor clearance.
C. Posi-traction rear ends or welded are recommended.
D. Frame connectors allowed on uni-body cars.
E. Any fan either OEM or aftermarket.
F. 1 radiator only in stock location, added water allowed for cooling.
G. Strengthening of A-arms allowed.
H. Tire protection allowed. Up to 2” bar welded to bumper then extending along quarter panel and bending into frame. Not to exceed original body line. Black flag is used as a ram.
I. Stand alone single loop radiator support allowed behind core support. Made of a 2” max of any metal. Gussets allowed at no more than 4” up from frame.
J. Roll cage may extend through the firewall to where the roll cage front pipe must be within 3” of the “A” frame not the mounting bolt. All roll cage must be behind this point and contained within body panels and trunk.
K. 1/8th” expanded metal and/or flexible material such as tin or soft plastic can be used in front of radiator and behind core support.
L. “Mud guards” must be made with flexible material, not metal or tin.
Not Allowed: Limited Class
§ Custom fabricated components to lighten unsprung weight of vehicle
§ Studded tires.
§ ¾ rear end or custom fabricated rear end housings.
§ Pickup bodies or frames. No convertibles, Van’s or SUV’s.
§ Steering brakes.
§ Fuel injection systems except stock system as provided on that specific model and year.
§ Blowers nor turbos. No Nitrous Oxide or any other oxygen injection systems!
§ Alteration of suspension pieces or location other than reinforcement.
2008 POINTS SYSTEM
Winner of A Main = 100. 98 for 2nd place, 96 for 3rd place, etc. maintaining a 2-point gap between each place. Add 1 point for every lap led per driver.
Winner of B Main = 5 points less than last place of A main. Maintain a 2-point gap between each place. (No added points for laps lead)
Winner C Main = 5 points less that last place of B Main. Maintain a 2-point gap between each place. (No added points for laps lead)
Heats: 5 points to winner of each heat. 3 points to 2nd place and 1 point to 3rd place of each heat.
Minimum of 10 points for taking a green flag.
For every 5 races, one will not count toward total points. (i.e. for 10 races, 8 count for points).