. TECHNICAL RULES
A. BODY AND FRAME
- Must be sprint car design: no roadsters or super modified.
- Special racing types only: Aluminum or titanium frames and roll cages are NOT allowed. No bolt-on roll cages.
- Approved Sprint car tail and tank only. Approved fuel bladder mandatory.
- All cars must have effective hood latches and must be securely fastened at all times during competition.
- Surface width not to exceed two (2) inches wider than frame. Side risers not to exceed two (2) inches.
- Front body work sheet metal maximum length as measured from front of front axle not to exceed 24”. NOTE! Front wing including sideboards, is considered part of the front sheet metal. See Diagram A Below
- Cars will be neatly painted, lettered and presented in a clean professional appearance. Cars not meeting appearance standards may be denied permission to compete.
- Front and Rear Bumpers and Side Nerf Bars are required.
- Front bumpers and nerf bars must not exceed 1” O.D. Nerf bars cannot extend beyond the limits of the wheels/tires on either side and front bumper cannot exceed 28” from front of front axle.
- Rear bumpers must be constructed of 1” minimum O.D. x .065” wall all steel tubing and should be pinned to allow for lifting
- All body panels must be securely attached to the frame.
- Seats must be securely attached to the frame. Aluminum seats recommended. All seats must be mounted to the frame as required by the seat and chassis manufacturer.
- Wheel base must be a minimum of 84″ up to a maximum of 100” center to center of the hubs.
- Drivelines must be between the driver’s legs. NO open drivelines permitted.
- No cantilever rear or front ends, (exception of standard dirt car torsion bar setup).
- NO aluminum chassis. NO titanium front or rear axles.
- NO titanium or carbon fiber rotating mass.
B. Drive Line:
- The engine driveline and center section of the rear axle must be mounted on the chassis centerline at ninety (90) degrees angle to the front and rear axles of the car. The engine must be mounted to the chassis in a vertical position, a maximum of one (1) degree variation will be allowed as measured from the crankshaft centerline. Drivers must not be positioned on or beside the engine. ALL cars must be rear drive.
- Centerline of frame. To establish the centerline of the frame do the following: Establish the center of the front frame cross member and center of rear cross member. Establish a line between these two points, which will be considered the centerline of the chassis. Fuel tank, seat, driveline and engine must be within ½” of this centerline in either direction.
- Suspension system. Independent suspension systems, front or rear will NOT be allowed. Front axle must be single tube with kingpin bosses securely welded at each end as ordered from any sprint car supplier or manufacturer.(Note: may be straight or dropped axle but must remain one piece.
- Maximum amount of offset for right rear wheel. The maximum distance from the centerline of driveline to the outermost portion of the right rear wheel is forty four inches (44”) Note: This measurement is to the outermost part of the right rear wheel or beadlock and not the sidewall of the tire. (see diagram below)
- No electronic traction control devices are allowed. No on-board computers or any other computer adjustable devices are allowed.
- Location of liquid carrying devices. All liquid carry devices must be mounted inside the frame rails and may not be more than 12” from the pre-established centerline of the chassis with the exception to the oil tank. The oil tank may be just to the outside of the chassis and within the nerf bars
C. ROLL CAGES AND RESTRAINTS
- Main members of the roll bar should be constructed with a minimum of 1 3/8″ O.D.X.095″ wall 4130 chrome-moly tubing. For 1020 Shelby tubing, 1 ½” x .125” wall is recommended.
- Main members of the roll bar must be braced to the front or rear with material having a minimum of the same wall thickness as the main members with at least 7/8″ diameter.
- It is recommended that rear bracing be used.
- It is recommended that bracing be the same diameter as the main members.
- Braces must be attached to the main members at a point within six (6) inches from the top of the rear transverse member as close to the top as possible.
- Roll Cage must extend two (2) inches above the top of driver’s helmet when sitting in an upright position. Roll cage padding is recommended.
- Seat Belts must be a minimum of two (2) inches wide with a minimal tensile strength of 8,000 pounds loop test. Worn appearing belts can be rejected by series officials or technical inspector. Belts must be no older than two (2) years.
- Belts must be equipped with a metal quick release buckle
- Belts must come through the seat at the bottom of each side, therefore wrapping and holding the greatest possible area of the pelvic region of the body.
- Anti-submarine (crotch) seat belts are required.
- Shoulder harness must be a minimum of double over the shoulder style or any approved racing harness. Shoulder harness must be a minimum of two (2) inches wide with a minimum tensile strength of 3,000 lbs. Belts must not be older than two (2) years.
- The driver restraint assembly must conform to the SFI 16.1 specifications and be no older than three years of manufacturers date on harness. 3” wide lap belts and either 2”or 3” wide shoulder harness will be allowed.
- Cage nets are required for safety on the right side of car unless the car has a full containment seat in which a cage net will not be required.
- Any American manufactured block for automobiles or trucks with a stock camshaft location and had (8) cylinders.
- Aluminum blocks will be allowed with a 50lb placement penalty split equal between the front and rear motor plate.
- Maximum displacement is 366 cubic inches.
- Ignition is optional. Must have a shut off switch within easy reach of the driver or the outside rescue crew in case of an accident.
- NO crank sensored ignition is permitted.
- NO SUPERCHARGERS OR TURBOCHARGEERS ALLOWED.
Only stock appearing heads for the engine with two (2) valve and one spark plug per cylinder allowed. Any aftermarket of original design in aluminum or steel may be used with the exception of Barnes, Cosworth, Bordix #12, 18 degree heads or cantered valve heads. No heads other than original twenty-three(23) degree valve angle heads. All heads must remain within two (2) degree of twenty-three (23) degree valve angle heads. This rule pertains to small block Chevy: however, any engine may be used after approval of the Southern Sprintcar Shootout Series. Spread port exhaust will be allowed.
NO titanium in engine excluding valves and the valve retainers. Oil pan inspection plug of at least 1” N.P.T. is recommended so as to be able to check crankshaft material. If you do not have an inspection plug, you will have to pull the pan if inspection is required.
E. Fuel and Air Systems
- Fuel must be methanol only with no additives other than top lube. No nitrous oxide.
- Car must have fuel shut-off valve that is clearly indicates “OFF”.
- All fuel is subject to testing at any time. Any fuel that does not conform to the Southern Sprintcar Shootout Series standards, as administered at the track, will be considered illegal.
- Any device(s) or material(s) that artificially reduces the temperature of the fuel is prohibited.
- NO down nozzle injection system is permitted. If heads are so designed, the down nozzles must be plugged.
- NO plenum type injector systems allowed. One injector and butterfly per cylinder is required. Injectors with sleeves to reduce intake volume will be allowed.
- As a result of manufacturing processes, some injector stacks may be slightly larger. A tolerance of .005” will be permitted on all stacks.
- Reducing sleeves a minimum of three (3) inches in length must be installed in the stacks above the butterflies.
- On Chevy engines, the injectors must be no larger than 2-3/16” plus .005” inside diameter of the injector stacks. All Fords are not to exceed 2.100” plus .005” inside diameter.
- No relief boles or grooves may be exposed above or below the butterflies on the injectors.
- Fuel Pumps – No glass fuel pumps or filters allowed.
F. WHEELS AND TIRES
- Any wheel designed for racing is permitted.
- Bead locks are optional.
- Maximum width of right rear wheel is 18 inches, left rear is 15 inches and fronts are 10 inches.
- All tires must be on the Southern Sprintcar Shootout Series approved tire listing. Tire numbers will be announced. All Tires are thru approved series dealer.
- Left Front Hoosier 2010 ONLY
- Right Front Hoosier 2030 ONLY
- Left Rear: Hoosier M30 ONLY
- Right Rear: Hoosier M450 ONLY
- A minimum durometer reading will be in effect as stipulated by Hoosier Racing Tires Technical Developers.
- If at any time the Southern Sprintcar Shootout Series makes a change in the tire rule, a rules update will be provided to all participants.
- Illegal tires will result in disqualification for that event. NO TIRE PREP ALLOWED.
- All cars transferring directly to the A-Main MUST use the same right rear tire in the Heat/Time Trials.
- Teams that run the consolation race may change the RR tire to start the race, but ALL transfer cars must run original RR in the A-Main that was used for the heat race or Time Trials.
- Recommended to have a safety pin or wire tied in axle tube outside wheel nut.
- Use of the top wing shall be mandatory for all races. (NON Wing races will be run)
- Top wing may not exceed twenty-five (25) square feet. 2” wicker bill allowed.
- Side boards maximum size, 75 inches long and 30 inches tall.
- The deepest point allowed in the top surface of the wing will be 2 .5 inches
- Center foil shall be fully sheathed in aluminum. Vent holes are strictly prohibited.
- Wing placement shall not exceed the outer edge of the rear wheels. (see diagram below)
- As shown in the above drawing for wing side panels, both side panels must be flat.
- Hydraulic wing sliders allowed (front to back movement only).
- No side foils, rudders or panels are to extend beyond roll cage on any side. No wedges or foils underneath the cars are allowed. NO louvers allowed in the floor pan.
- Allowed but not mandatory.
- Maximum of six (6) square feet with 12 inches by 28” inches on both side boards. One (1) inch wickerbill is allowed
- Leading edge must be mounted forward of the front axle centerline and aft of front bumper.
- Wing to be mounted above nose of car.(see diagram below)
- Safety loops or restraints are mandatory and must be approved.
- Steering system must be engineered and assembled in accordance with sound engineering principles.
- Approved removable type steering wheel disconnect only. No plastic parts allowed.
- Any welding on steering mechanism must be approved by inspector.
- Car must have operable front and rear brakes .
All cars are required to have a floorboard or underpan under the cockpit area and engine compartment extending from the radiator to the rear motor plate. (exception: Visiting legal dirt cars)
Effective fire wall must be installed between engine compartment and cockpit.
Headers must merge into a collector. All cars must meet decibel requirements of the individual speedways. Some tracks may have a particular muffler requirement. Participating race teams should always check with each track if requirements are unknown.
- Cockpit adjustable shocks are not allowed. NO weight jackers inside driver cockpit.
A.) Each competitor is the solely responsible of for the effectiveness and proper installation, per the manufacturer’s specifications, of personal safety equipment and determining it to be adequate for competition at every event. Each competitor is expected to investigate and educate themselves for continuing improvement regarding their own personal safety equipment.
Seat Belt/Restraint Systems.
A.) Each car will be equipped with minimum of an SFI 16.5 or SFI 16.1 approved Southern Sprintcar Shootout Series Rulebook restraint system, until the date of the belt expiration (two years from the date of manufacturer).
- Seat belt restraint systems shall be installed and used in accordance with manufacturer’s instructions. In any type of manufacturer’s installation the fasteners must be magnetic steel unless using type of mount in which the seat belt wraps around the roll cage. A seven-point harness is recommended.
C.) Seat belt material should not be permitted to come in contact with any sharp or metal edge, including when the material passes through the seat.
3 Protective Clothing
A.) All drivers will be required to wear a fire resistant driving uniform meeting minimum of the SFI 3.2A/5 specification and display a valid SFI 3.2A/5 label.
B.) All drivers should wear fire resistant accessories including but not limited to; head sock, under garments, shoes, and socks.
C.) All drivers will be required to wear fire resistant gloves. Shoes and gloves will be required to meet minimum of the SFI 3.3 specifications and display a valid SFI 3.3 label.
A.) Aluminum and/or carbon fiber-type seats will be permitted. All seats must be mounted to the frame as required by the seat and chassis manufacturer. All seats must be installed and used in accordance with the manufacturer’s instructions
B.) The driver’s left side head rest / helmet surround must extend at least 4”-inches forward from the back of the headrest (where the helmet contacts the back of the headrest). All areas surrounding the head should have padding.
C.) An approved driver’s cockpit net is mandatory for the left side if the Helmet head rest / helmet surround is less than 7”-inches forward from the back of the seat. The net must be a minimum of three (3) ribbons and should meet the SFI 37.1 specifications, installed per the manufacturer’s specifications.
D.) A right side head restraint net and/or support are required. All head restraint nets should be equipped with quick release mechanisms.
A.) All drivers will be required to wear a full-face helmet with a minimum safety rating of FIA 8860-2004, FIA 8860-2010, Snell SA 2005, Snell SA 2010, Snell SAH 2010 and/or a valid SFI 31.1/2005 label.
B.) It is strongly recommended that helmets should have the Eject ™ helmet removal system installed as per the manufacturer’s instructions.
C.) Safety equipment must be worn at all times
D.) Arm restraints are required and must be connected and used as instructed by the manufacturer.
6. Other RECOMMENDED
A.) No sharp and/or protruding edges in and around the cockpit.
B.) Windshield screens are strongly recommended.
C.) A clearly marked electrical engine shut off switch within the reach of the driver.
D.) A clearly marked fuel shut off valve within reach of the driver.
E.) Only SFI flame retardant seat, roll bar, knee and steering pads and/or padding should be utilized.
F.) A drive line containment system; either a steel torque ball housing made of a minimum .120 wall thickness magnetic steel attached to the firewall with steel and/or titanium bolts and/or a torque ball u-joint containment blanket is mandatory to shield revolving parts within the cockpit.
G.) All teams should have an easily accessible 2.5 gallon FFF fire extinguisher or its equivalent at the back of the team’s transporter.
- All drivers must wear approved helmets securely fastened.
- All drivers are required to wear uniforms, including driver’s suits, underwear, gloves, approved racing shoes and socks, covering the body made of fire resistant material.
- Arm restraints are mandatory.
- Fireproof head socks, knee guards, and some type of neck/head device are highly recommended.
Mirrors are NOT allowed.
- Minimum weight requirement
- 1550 pounds with driver after the race.
- Added weight must be bolted on, safely and securely, to and within the confines of the frame rails, between the axles and no higher than 12” above the bottom of the lower frame rails.
- Any bolt on weight must be painted white and the car number must be on the weight.
- The weight must be securely attached and must remain in place during a race. It must not be moved or removed during a red flag situation.
- Series officials reserve the right to weigh any car at any time during an event.
- The top 5 finishers in the feature will proceed directly to the scales to be weighted immediately after the event has been completed.
- Crew members will remain clear of their cars until the weight inspection has been completed.
- Aluminum block will be allowed with a 50lb placement penalty split equal between the front and rear motor plate and between frame rails.
- The penalty for not making weight, there is NO LEEWAY
- Will be credited with last place points and money in the event you are competing in.
- DISQUALIFICATIONS LIST – DO NOT GO TO YOUR PIT AREA FIRST!
- Failure to report directly to the scales (locations of the scales will be announced at the drivers meeting)
- Loss of any bolt-on weight during competition
- Weight mounting procedure does not meet our specifications.
- Rough Driving
- Unsportsmanlike Conduct
- The above infractions are a basic guideline and are not limited to the above.
CHECKING YOUR WEIGHT
- Chunk weight up to 20 lbs (2-3/8” grade 8 bolts with nylock nuts or safety wire)
- Chunk weight up to 50 lbs (2-1/2” grade 8 bolts with nylock nuts or safety wire)
- Plate steel up to 30 lbs (4-5/16” grade 8 bolts with nylock nuts or safety wire)
- Plate steel up to 60 lbs (4-3/8” grade 8 bolts with nylock nuts or safety wire)
XI. PROTEST PROCEDURES
A.) General Policies
- Only a registered car owner or driver in competition may file a protest.
- All protests must be made in writing and must specifically identify the nature of the protest. Protest forms will be available in the series trailer at any time.
- The protest (written, signed and accompanied by the appropriate fee in cash) must be presented to the Series official at the time of the protest. All protest must be filled prior to the start of the A-Main. NO buddy protest will be accepted.
- Refusal to allow inspection under any protest will be considered as car being illegal and said car will be disqualified.
- A $250.00 fee for each item protested must be given to the series official in charge, with all necessary paperwork, membership information and appropriate fee’s) for each specific item. If a car is legal, protested car receives $200.00 and the club receives $50.00. If car is illegal, $250.00 fee will be returned to the protesting car/driver and the car owner of the illegal car pays the series $50.00 plus a fine and penalty or both.
B.) P&G TEST
- A $250.00 fee for each P&G protested must be given to the race director at the time of the protest. If a car is legal, protested car receives $200.00. If car is illegal, protester will receive $200.00. In either case $50.00 goes to the series
- In the event the block should fail P&G, the car owner or driver, at their option, may request a bore and stroke measurement for verification of legality Bore and stroke measurement may not be used as a form of protest by a competitor.
- Fuel may be protested for a fee of $50.00 plus the cost of any lab test fees.
- $200.00 deposit is required toward lab fees, the balance will be refunded after all lab fees are paid.
- A $250.00 cash fee for each Tire protested, must be given to the race or competition director at the time of the protest. Protest must be filed prior to the push off of the A-Main. NO OTHER OFFICIAL MAY ACCEPT ANY PROTESTS.
1a. Protest must be in writing stating car, driver and which tire (ie: RR, LR etc) ALL FEES ARE IN CASH.
1b. If a tire is legal, protested car receives balance of protest fee’s after all lab fee’s have been paid
1c.. If car is illegal, protester will receive the fee back and the illegal car will be responsible for ALL lab fee’s and shipping fee’s.
- In the event the tire should fail the lab analyst, the car owner or driver, at their option, may request a break down of the illegal chemicals that are detected that are not part of the benchmark set by Hoosier Racing Tires. This test is an additional fee.
- All parties agree that Blue Ridge Labs, Inc. is the lab we all agree upon to conduct this test and their results are final. NO EXCEPTION!!!!!!
- NO buddy or grudge protests will be accepted,
4a. You must be a member to file a formal protest.
4b You must be on the lead lap to file a formal protest
4c. Car must finish in front of you to be protested.
4d. You must be a driver in that nights A-Main to file a protest.
4e. No driver may file a protest on his/her first night of competition.