B-Modified

B-1 Roll Cages

a. Must consist of continuous hoops. Must be frame mounted in at least six places. Body mounted roll cages are not acceptable Must consist of a configuration of front and rear hoops connected by tubing on the side or hoops in a manner deemed acceptable by the Tech Inspector. Driver’s head must not protrude above cage with helmet on and strapped in the driver’s seat. Roll cage must be securely supported and braced. Low carbon, Mild steel tubing is recommended. Other materials are subject to prior approval. No iron pipe or square tubing allowed. No brazing or soldering allowed. No brace bars forward of cage may be higher than stock hood height. Protection of feet mandatory. Bar across back of engine with vertical bars and rub rails or similar protection to meet requirements of the Tech Inspector. Fire proof roll bar padding within reach of driver.

b. DRIVER DOOR BARS must be as parallel with the ground as possible and located perpendicular to the driver so as to provide maximum protection for driver without causing undue difficulty in getting into or out of vehicle. The sidebars must be welded to the front and the rear of the roll cage members. Should have 4 bars at least thickness by 1 ½” diameter.

c. 5 point harness required, Full size window nets with quick release mechanism are required, Factory manufactured racing seats either Aluminum or Composite required. Helmets and Racing suit required (1piece or two).

All seats will be required to be mounted to the frame or the roll cage of the car. All belts will be required to be mounted to the frame of the car or to the roll cage. Helmets should be of full-face shield type and are subject to inspection. All cars will be required to use a full size window net in the driver's door at all times. Fire resistant shoes & gloves recommended. Full size Window nets required.

d. Must consist of a configuration of front and rear hoops connected by side tubing or hoops. The driver’s head must not protrude beyond the cage with his helmet on while being strapped in the seat.

e. FIRE SUITS Flame retardant nature must be worn by all competitors. Two-piece fire suits are allowed

B-2 Exhaust System

a. Must be mounted in such a way as to direct spent gases away from cockpit of vehicle and away from areas of possible fuel spillage. Mufflers required at all times.

B-3 Weights

a. Must be painted white and have car number on them. They must be securely fastened with 7/16 “ or larger bolts. No weights allowed in drivers compartment or on rear bumper or attached to fuel cell brackets.

B-4 Fuel Cells

a. An approved manufactured fuel cell with a maximum capacity of 32 gallons. Fuel cell will be required to be encased in a metal container.

b. All fuel cells must be equipped with a rollover valve in the vent fitting and in the fuel fill. Fuel cells must be required to have pick up location on top of cell. It is highly recommended that all fuel cells be equipped with foam.

c. Fuel cell will be required to be mounted to frame of car. Fuel cell will be required to be secured with straps or tubing around it. Fuel cell cannot hang below the bottom of the rear end tubes with the car sitting at ride height.

d. All cars will be required to be equipped with a fuel cell guard that is mounted separately from the fuel cell and comes to the bottom of the fuel cell. Minimum 1 ½ “ tubing must be used for fuel guard.

e. BATTERIES must be securely mounted and shielded. Batteries mounted inside vehicle must be in marine type cases.

B-5 Tires

a. Hoosier Super Chain Link 26.5 or 27.5/ 8.0-15 SCL, G 60 Hoosier.
Mounted on a steel wheel with a maximum width of 8”. Bead locking devises allowed on right rear only. Only foam wheel covers or bead lock / mud plug combinations will be permitted. Grooving and siping allowed. No softening of the tire allowed. “A40” Hardness required on all Four Corners.

B-6 Frames

a. May not be widened or narrowed and must be able to support roll cage on both sides. Must be full and complete on both sides. Cross members may be notched for radiator clearance only. Minimum frame height and body height from ground is 4”. Front suspension must be replaceable by stock part from same type suspension. Stock passenger car spindles only; NO fabricated spindles. Bottom A-frame cannot be altered or moved. Tube type upper “A” frames allowed and can be moved.

a. b. Coil over shocks allowed on rear only. One shock per wheel. No aluminum shocks. No Schrader valve shocks allowed. No remote canister shocks. Zero valve shocks must be used as a slider with coil spring.

c. NO Jeep, Bronco, ETC. or 4 wheel drive frames allowed. NO sports car frames allowed.

d. Rear of frame may be altered to accept leaf or coil springs; any coil springs must be at least 4 ½” outside diameter. Fiberglass leaf springs allowed. NO torsion bars allowed in rear. One shock per wheel only. Additional shocks in other locations permissible. Minimum wheelbase, 108”, both sides- NO TOLERANCE. NO front clips or tube type allowed. NO aluminum drive shafts.

B-7 Bodies

a. Must use steel, fiberglass, or aluminum full size roof. Stock appearing front windshield and rear window support unit (painted roll bars not acceptable substitute.) Full firewall and floorboards are mandatory.

b. No extended edges anywhere. All corners and edges must be clean.  Fiberglass or metal duplicates of body parts are permitted. Handmade body parts may be constructed of steel, aluminum or fiberglass.

c. All cars in competition must have a complete paint job. Unpainted aluminum bodies are not acceptable. Must have a minimum 6” number on front of car. All cars must be numbered with large legible numbers on both doors, on top and rear panel. Letters on doors of car should be in contrasting color from body, be at least 4” thick and at least 20” high. Top numbers should be at least 4” thick and at least 30” high. Sponsors’ names must not interfere with car numbers and must be neatly lettered. Original roofline of vehicle must be maintained with a maximum of 1” drop rear to front. NO wings, spoilers or any other ground effects are allowed anywhere outside or inside of car.

d. A rear deck lid spoiler will be allowed maximum height of 5”. Minimum width of 59” Maximum width 66”. Total height from ground to top of spoiler not to exceed 38”. Engine compartment will remain open, NO side panels; hood sides may have maximum 4” drop; bodies should extend no further forward than back of block. Rear body panel to be a solid panel at least 8” high and include car number. Driver and passenger door window must have at least a 12” vertical opening. The rear roof posts must extend to the quarter panels, left and right side. Left and right side rear roof panels must be the same length and design. The roof panels will be a maximum height at the rear not to exceed 3”. Rear spoiler braces must not exceed 5” in height. A minimum distance of 59 inches and a maximum distance of 64 inches will be permitted between the outer edges of the quarter panels measured at the rear bumper height.

B-8 Transmissions

a. Multi disc clutch or direct drive automatic. Bert, Brinn, Guss are Allowed.

b. DRIVE SHAFT A loop is required and must be constructed of at least ¼” by 2” steel and must be mounted no more than 6” back from front of drive shaft. Drive shaft must be painted white.

MIRRORS  NOT ALLOWED

B-9 Engine

a. Must be Iron Block and Heads. No aluminum heads allowed. Any 23 degree steel head allowed.

b. Any intake is allowed, with a maximum of 2 ” allowed between top of intake and bottom of carb. All air cleaners are required to have a complete metal top and bottom.

c. One 2- barrel carburetor Holley 4412 (500 cfm) allowed. Must pass track gauges.

d. Gas or E85 only.

e. No carburetor air dams or devises permitted to increase the airflow to the carburetor, either inside or outside of the air cleaner.

f. Any flat tappet cam, No roller cams.

g. Roller rockers permitted. Headers permitted. No Magnetos. Maximum cubic inch displacement of 364 cid. (See exception in Weight Limit.)

h. All cars must have mufflers & turndowns. Must meet maximum noise level of 98 DPA at 100 feet.

B-10 Bumper

a. Bumpers must be used both front and rear. Front bumpers must be frame end-to frame end with the bottom loop parallel to the ground. Must be made of minimum 11/4” pipe and must be able to support car if lifted by wrecker.

b. Rear bumpers, nerf bars and bodies must not extend beyond width of rear tires. Rear bumpers may be constructed of pipe or flat stock, but must not have any sharp edges and must protect fuel cell. Center of bumper front or rear 18” from ground, + - 2”.

B-11 Weight Limit 

a. 2500 LBS WITH DRIVER AFTER RACE.

B-12 Rear End

Any passenger

car type or truck rear end may be used; NO aluminum allowed. Aluminum lowering blocks, axle caps and drive plate allowed. NO quick-change rear ends allowed. Solid drive flanges only.

B-13 Steering Box

Steering box must be O.E.M. NO rack and pinion allowed. Must remain within original bolt pattern for type of frame used. In cockpit steering may be modified to suit driver’s taste, but must be kept on left side of cockpit.

B-14 NO CENTER STEERING.

B-15 Aluminum Parts

Aluminum Wheels, hubs, calipers, "A" frames or spindles are not allowed or any other aluminum suspension parts are not allowed.  All calipers O.E.M. Plastic wheels are not allowed. NO aluminum engine blocks. ALL VEHICLES MUST HAVE THE CAPABILITY OF STARTING WITHOUT BEING PUSHED OR PULLED. NO ON BOARD RADIOS. NO ON BOARD COMPUTERS.

B-17 Claim Rule

a. Engine claim will be $1000.00 plus your engine, with $50.00 going to the wrecker.

a. The claimer must have participated in at least 50% of the events at FRP (this does not include special races).

b. The top four finishers in the feature are subject to a claim by finishers 5^th on back running on the lead lap. If more than one driver wants to claim the same engine, the driver running more competitively at the end of the race has the first option.

c. Driver must have cash, and the claim must be made from the car. When the track is clear there will be no more claims.

d. Engine must be removed from the car at the track or some agreed upon location by the original owner under the direction of a racing official. Any sabotage to the claimed engine will result in the saboteur being banned from further competition at the track for the remainder of the season.

e. Only the basic engine will be claimed. This does not include the carburetor, distributor, plug wires fuel pump, water pump, all sending units and pulleys, flywheel, bell housing, exhaust manifolds, and motor mounts.

f. No driver may claim more than once in a season.

g. The first sell, no-sell, or exchange is final and binding.

h. If driver being claimed wishes to exchange and the buyer refuses, the buyer will be considered under the same rules as someone not accepting the claim.

i. If someone refuses to sell their engine, they forfeit all winnings and points for that night. Driver refusing to sell will be subject to a $50 fine, and the driver will not be allowed to race the remainder of the season until the fine is paid. Points from that driver’s previous week of competition are also forfeited. No buying back of points or any adjustment at a later time. Any driver refusing a claim also forfeits his right to claim for the remainder of the year.

j. Any driver using any device which is intended to deceive other drivers, including but not limited to, a device to squirt oil into or onto the engine to give an outward impression of a “blown” engine will forfeit all winnings and points for that night. Driver will be subject to a fine equal to the amount of prize money forfeited. The driver will not be allowed to race the remainder of the season until fine is paid.

k. Motor must be run the next week.

No cross changing of motor; i.e.: Chevy cannot claim Ford.

B-18 Claim by Promoter

Promoter may claim for $750-with $25 going to the wrecker.

The pit steward and/ or other Officials in their discretion will rule upon items or situations not covered by the rules of Freeport Raceway Park.