IHRA rule for cage
02-24-2010, 06:58 PM
#7
10.00 to 11.49 ¼ mile (6.50 to 7.49 1/8 mile)
Axles: Aftermarket axles and axle retention device mandatory on entries running 10.99 and quicker ¼ mile or 6.99 and quicker 1/8th mile.
Brakes: Minimum of two rear-wheel hydraulic brakes required. Full body cars must have four wheel brakes. Entries with two wheel brakes require parachute.
Driveline: 1 Drive shaft loop mandatory.
Driver Restraint System: Must meet SFI 16.1 within 2 year expiration from date of manufacture.
Fire Extinguishers: Properly secured fire extinguisher is required on all closed body cars.
Flywheel/Clutch: SFI 6.1. Flywheel shield, mandatory and clutch, pressure plate and flywheel meeting SFI 1.1.
Flexplate: SFI 29.1 mandatory if vehicle exceeds 135mph.
Frame: All butt-welds must have visible reinforcement. Grinding of welds not permitted. All welding on chrome moly (4130) tubing must be done by approved heliarc (TIG) process. Mild steel welding must be done by approved MIG (wire feed) or TIG process. Welds must be free of slag or porosity, or any other form of contamination. Any grinding of welds is prohibited. Improper welding process or technique may be a basis for failing technical inspection.
Fuel System: Gasoline, alcohol and propane accepted. All fuel tank filler necks located inside trunk must have filler neck vented to outside of body. All batteries, fuel lines, fuel pumps or filler necks located inside trunk must be isolated from the driver’s compartment. Gas lines must be located outside driver’s compartment. Fuel tanks not to be higher than top of rear tires. Fuel cell recommended.
Harmonic Balancer: SFI 18.1 balancer required on entries running 10.99 and quicker or 6.99 and quicker 1/8th mile.
Helmet: Drivers of Sportsman classes and ET cars - 13.99 (8.59 1/8 mile) must use a helmet meeting Snell 95 or newer. Exception: drivers of open bodied, supercharged front-engined cars must use a helmet meeting SN 95 or newer or SFI 31.1 or 31.2. Drivers of any open bodied car wearing an “open face” helmet must wear protective goggles. Modifications to the helmet/visor/shield are prohibited. All helmets must have the appropriate certification sticker affixed inside the helmet.
Master Cutoff: Mandatory if battery is relocated or is specified by class requirements. It must be located on the rear of all entries and must break the positive side battery supply to the competition vehicle. It must be easily identifiable and clearly labeled as to function (Push Off).
Protective Clothing: Minimum, SFI 3.2A/5 jacket on open bodied entries. Minimum 3.2A/1 jacket on closed body entries. Arm restraints are required on all open bodied cars. Minimum SFI 3.3/1 gloves on open bodied entries.
Rollcage/Rollbar: Rollcage is mandatory if entry has an altered floor or firewall or if vehicle exceeds 135mph. On all other full bodied applications, a six point roll bar is mandatory. A rollcage is mandatory on all convertibles running 10.99 or quicker ¼ or 6.99 and quicker 1/8th mile. T-top vehicles follow convertible guidelines.
Transmission Shield: SFI 4.1 mandatory on all automatic transmissions equipped entries running 10.99 and quicker ¼ mile or 6.99 and quicker 1/8th mile.
Wheel Base: Minimum: 90”, unless car has original engine. Maximum wheel base variation from left to right: 1”. Minimum wheel base for dragsters is 125”.
11.50 to 13.49 ¼ mile (7.50 to 9.00 1/8 mile)
Body: Mandatory.
Brakes: Required. Minimum of 2 rear wheel brakes required.
Driveline: Drive shaft loop required on any vehicle which uses racing slicks. 1 Drive shaft loop required on call cars running 9.99 or quicker in the ¼ or 6.49 or quicker in the eighth mile.
Driver: Must be in stock location. Driver’s seat may be moved a maximum of 10” rearward.
Fenders: Exact duplicates of stock fenders in fiberglass permitted. Rear fenders may be trimmed for tire clearance. All fenders must have the edge re-rolled or beaded if altered.
Front Overhang: No item or equipment may be added to the front which will add to the overall length of the vehicle.
Fuel System: Gasoline, alcohol and propane accepted. Tank must be vented to outside of vehicle. Gas line must be located outside driver’s compartment.
Helmet:
Drivers of Sportsman classes and ET cars - 13.99 (8.59 1/8 mile) must use a helmet meeting Snell 95 or newer. Exception: drivers of open bodied, supercharged front-engined cars must use a helmet meeting SN 95 or newer or SFI 31.1 or 31.2. Drivers of any open bodied car wearing an “open face” helmet must wear protective goggles. Modifications to the helmet/visor/shield are prohibited. All helmets must have the appropriate certification sticker affixed inside the helmet.
Hood: Mandatory
Master Cutoff: Mandatory if battery is relocated or is specified by class requirements. It must be located on the rear of all entries and must break the positive side battery supply to the competition vehicle. It must be easily identifiable and clearly labeled as to function (Push Off).
Roll Bar/Roll Cage: A minimum of a 6 point roll bar is mandatory on all convertibles running 11.00 to 13.49 ¼ mile and 8.25 or quicker 1/8 mile. A roll cage is mandatory on any entry that exceeds 135mph.
Street Equipment: License plates, generator; windshield wipers; motors; fans, fan belts; and horns optional. One working tail light required.
Transmission Shield: Automatic: it is recommended that cars with modified automatic transmissions, or converters, have a transmission blanket or shield meeting SFI 4.1.
Wheel Base: Minimum 90”, unless car has original engine and OEM is shorter. Wheel base variation, left to right 1” maximum.
Windshield/Windows: Windows may be replaced with 1/8” minimum Lexan. Windshields and windows must be clear except for factory-tinted safety glass. Windows must be closed during competition, need not be operable. Decals permitted on rear quarter window only.
13.50 and slower ¼ mile (9.00 and slower 1/8 mile)
Body: Must be full bodied car.
Brakes: Four-wheel brakes mandatory.
Driveline: Drive shaft loop mandatory on any vehicle using racing slicks. See General Regulations.
Driver: Must remain in stock location.
Engine: Automotive engine only. Must remain in OEM location.
Exhaust System: Headers permitted, must be designed to route exhaust gases away from car. Flex pipe prohibited.
Firewall: OEM type mandatory.
Floor: Full floor mandatory.
Fuel System: One stock location fuel tank maximum. Fuel cells recommended. Top of fuel tank not to be higher than top of tires.
Helmet: Drivers of Sportsman classes and ET cars - 13.99 (8.59 1/8 mile) must use a helmet meeting Snell 95 or newer. Exception: drivers of open bodied, supercharged front-engined cars must use a helmet meeting SN 95 or newer or SFI 31.1 or 31.2. Drivers of any open bodied car wearing an “open face” helmet must wear protective goggles. Modifications to the helmet/visor/shield are prohibited. All helmets must have the appropriate certification sticker affixed inside the helmet. Entries running 14.00 (8.60 1/8 mile) and slower, helmet is recommended.
Hood: Mandatory.
Master Cutoff: Mandatory if battery is relocated or is specified by class requirements. It must be located on the rear of all entries and must break the positive side battery supply to the competition vehicle. It must be easily identifiable and clearly labeled as to function (Push Off).
Roll Bar: Recommended.
Steering: Steering box location optional. Steering must be located in conventional location on driver’s side of car.
Transmission: Any OEM type transmission permitted. Neutral safety switch required.
Wheel Base: Minimum: 90”, unless car has original engine and OEM is shorter. Wheel base variation left to right: 1” maximum.
Wheels and Tires: Must be automotive-type wheels suitable for street use. Racing slicks permitted. Automotive wire wheels or motorcycle wheels prohibited. Minimum wheel size is 13” unless originally equipped with smaller wheels and is using the original engine. Recap tires prohibited.
10.00 to 11.49 ¼ mile (6.50 to 7.49 1/8 mile)
Axles: Aftermarket axles and axle retention device mandatory on entries running 10.99 and quicker ¼ mile or 6.99 and quicker 1/8th mile.
Brakes: Minimum of two rear-wheel hydraulic brakes required. Full body cars must have four wheel brakes. Entries with two wheel brakes require parachute.
Driveline: 1 Drive shaft loop mandatory.
Driver Restraint System: Must meet SFI 16.1 within 2 year expiration from date of manufacture.
Fire Extinguishers: Properly secured fire extinguisher is required on all closed body cars.
Flywheel/Clutch: SFI 6.1. Flywheel shield, mandatory and clutch, pressure plate and flywheel meeting SFI 1.1.
Flexplate: SFI 29.1 mandatory if vehicle exceeds 135mph.
Frame: All butt-welds must have visible reinforcement. Grinding of welds not permitted. All welding on chrome moly (4130) tubing must be done by approved heliarc (TIG) process. Mild steel welding must be done by approved MIG (wire feed) or TIG process. Welds must be free of slag or porosity, or any other form of contamination. Any grinding of welds is prohibited. Improper welding process or technique may be a basis for failing technical inspection.
Fuel System: Gasoline, alcohol and propane accepted. All fuel tank filler necks located inside trunk must have filler neck vented to outside of body. All batteries, fuel lines, fuel pumps or filler necks located inside trunk must be isolated from the driver’s compartment. Gas lines must be located outside driver’s compartment. Fuel tanks not to be higher than top of rear tires. Fuel cell recommended.
Harmonic Balancer: SFI 18.1 balancer required on entries running 10.99 and quicker or 6.99 and quicker 1/8th mile.
Helmet: Drivers of Sportsman classes and ET cars - 13.99 (8.59 1/8 mile) must use a helmet meeting Snell 95 or newer. Exception: drivers of open bodied, supercharged front-engined cars must use a helmet meeting SN 95 or newer or SFI 31.1 or 31.2. Drivers of any open bodied car wearing an “open face” helmet must wear protective goggles. Modifications to the helmet/visor/shield are prohibited. All helmets must have the appropriate certification sticker affixed inside the helmet.
Master Cutoff: Mandatory if battery is relocated or is specified by class requirements. It must be located on the rear of all entries and must break the positive side battery supply to the competition vehicle. It must be easily identifiable and clearly labeled as to function (Push Off).
Protective Clothing: Minimum, SFI 3.2A/5 jacket on open bodied entries. Minimum 3.2A/1 jacket on closed body entries. Arm restraints are required on all open bodied cars. Minimum SFI 3.3/1 gloves on open bodied entries.
Rollcage/Rollbar: Rollcage is mandatory if entry has an altered floor or firewall or if vehicle exceeds 135mph. On all other full bodied applications, a six point roll bar is mandatory. A rollcage is mandatory on all convertibles running 10.99 or quicker ¼ or 6.99 and quicker 1/8th mile. T-top vehicles follow convertible guidelines.
Transmission Shield: SFI 4.1 mandatory on all automatic transmissions equipped entries running 10.99 and quicker ¼ mile or 6.99 and quicker 1/8th mile.
Wheel Base: Minimum: 90”, unless car has original engine. Maximum wheel base variation from left to right: 1”. Minimum wheel base for dragsters is 125”.
11.50 to 13.49 ¼ mile (7.50 to 9.00 1/8 mile)
Body: Mandatory.
Brakes: Required. Minimum of 2 rear wheel brakes required.
Driveline: Drive shaft loop required on any vehicle which uses racing slicks. 1 Drive shaft loop required on call cars running 9.99 or quicker in the ¼ or 6.49 or quicker in the eighth mile.
Driver: Must be in stock location. Driver’s seat may be moved a maximum of 10” rearward.
Fenders: Exact duplicates of stock fenders in fiberglass permitted. Rear fenders may be trimmed for tire clearance. All fenders must have the edge re-rolled or beaded if altered.
Front Overhang: No item or equipment may be added to the front which will add to the overall length of the vehicle.
Fuel System: Gasoline, alcohol and propane accepted. Tank must be vented to outside of vehicle. Gas line must be located outside driver’s compartment.
Helmet:
Drivers of Sportsman classes and ET cars - 13.99 (8.59 1/8 mile) must use a helmet meeting Snell 95 or newer. Exception: drivers of open bodied, supercharged front-engined cars must use a helmet meeting SN 95 or newer or SFI 31.1 or 31.2. Drivers of any open bodied car wearing an “open face” helmet must wear protective goggles. Modifications to the helmet/visor/shield are prohibited. All helmets must have the appropriate certification sticker affixed inside the helmet.
Hood: Mandatory
Master Cutoff: Mandatory if battery is relocated or is specified by class requirements. It must be located on the rear of all entries and must break the positive side battery supply to the competition vehicle. It must be easily identifiable and clearly labeled as to function (Push Off).
Roll Bar/Roll Cage: A minimum of a 6 point roll bar is mandatory on all convertibles running 11.00 to 13.49 ¼ mile and 8.25 or quicker 1/8 mile. A roll cage is mandatory on any entry that exceeds 135mph.
Street Equipment: License plates, generator; windshield wipers; motors; fans, fan belts; and horns optional. One working tail light required.
Transmission Shield: Automatic: it is recommended that cars with modified automatic transmissions, or converters, have a transmission blanket or shield meeting SFI 4.1.
Wheel Base: Minimum 90”, unless car has original engine and OEM is shorter. Wheel base variation, left to right 1” maximum.
Windshield/Windows: Windows may be replaced with 1/8” minimum Lexan. Windshields and windows must be clear except for factory-tinted safety glass. Windows must be closed during competition, need not be operable. Decals permitted on rear quarter window only.
13.50 and slower ¼ mile (9.00 and slower 1/8 mile)
Body: Must be full bodied car.
Brakes: Four-wheel brakes mandatory.
Driveline: Drive shaft loop mandatory on any vehicle using racing slicks. See General Regulations.
Driver: Must remain in stock location.
Engine: Automotive engine only. Must remain in OEM location.
Exhaust System: Headers permitted, must be designed to route exhaust gases away from car. Flex pipe prohibited.
Firewall: OEM type mandatory.
Floor: Full floor mandatory.
Fuel System: One stock location fuel tank maximum. Fuel cells recommended. Top of fuel tank not to be higher than top of tires.
Helmet: Drivers of Sportsman classes and ET cars - 13.99 (8.59 1/8 mile) must use a helmet meeting Snell 95 or newer. Exception: drivers of open bodied, supercharged front-engined cars must use a helmet meeting SN 95 or newer or SFI 31.1 or 31.2. Drivers of any open bodied car wearing an “open face” helmet must wear protective goggles. Modifications to the helmet/visor/shield are prohibited. All helmets must have the appropriate certification sticker affixed inside the helmet. Entries running 14.00 (8.60 1/8 mile) and slower, helmet is recommended.
Hood: Mandatory.
Master Cutoff: Mandatory if battery is relocated or is specified by class requirements. It must be located on the rear of all entries and must break the positive side battery supply to the competition vehicle. It must be easily identifiable and clearly labeled as to function (Push Off).
Roll Bar: Recommended.
Steering: Steering box location optional. Steering must be located in conventional location on driver’s side of car.
Transmission: Any OEM type transmission permitted. Neutral safety switch required.
Wheel Base: Minimum: 90”, unless car has original engine and OEM is shorter. Wheel base variation left to right: 1” maximum.
Wheels and Tires: Must be automotive-type wheels suitable for street use. Racing slicks permitted. Automotive wire wheels or motorcycle wheels prohibited. Minimum wheel size is 13” unless originally equipped with smaller wheels and is using the original engine. Recap tires prohibited.
Last edited by EXsoccer1921; 02-24-2010 at 06:58 PM. Reason: Automerged Doublepost
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