popo8
03-21-2014, 09:12 AM
LTX Modified Power Adder
Limited to quickest 16 qualifiers on a .400 Pro tree in a heads up format. Is open to all LT1, 4, 5 powered vehicles. All vehicles must appear to be stock bodied and stock appearing. Sportsman Ladder.
Must have LT1-based engine.
Single power adder only. Nitrous Maximum number of stages is 2. Nitrous nozzle, plate system or Direct port. Purge must exit engine compartment, solenoids must be visible The use of agents other than nitrous oxide as part of, or mixed in, the system are prohibited. Nitrous oxide systems must use gasoline only for the fuel enrichment circuit. Limit 2 15 lbs bottles. Push systems not permitted. Nitrous water injection not permitted. NHRA permitted bottle heating only.
Supercharger Maximum Ysi or F1A. Injection of any liquid, gas, or any other substance into the inlet or exhaust housing is strictly prohibited (including methanol injection). Supercharger compressor wheel must be constructed of cast or billet aluminum. Exotic material wheels prohibited.
Turbo (Single) Maximum 88mm wit a T6 Flange. Turbocharger must be of conventional impeller and housing design and type. All air entering the turbocharger must pass through the turbocharger inlet. Injection of any liquid, gas, or any other substance into the inlet or exhaust housing is strictly prohibited (including methanol injection). Turbocharger compressor wheel must be constructed of cast or billet aluminum. Exotic material wheels prohibited. The tips of the impeller wheel may not be stepped, cut down, or notched to meet impeller tip-to-tip dimension. Reducers prohibited.
Turbo (Dual) Maximum 60mm inducer T4 flange. Turbocharger must be of conventional impeller and housing design and type. All air entering the turbocharger must pass through the turbocharger inlet. Injection of any liquid, gas, or any other substance into the inlet or exhaust housing is strictly prohibited(including methanol injection). Turbocharger compressor wheel must be constructed of cast or billet aluminum. Exotic material wheels prohibited. The tips of the impeller wheel may not be stepped, cut down, or notched to meet impeller tip-to-tip dimension. Reducers prohibited.
Progressive controllers permitted. Electronic boost controllers permitted
Heads must retain the factory 23 deg valve angle. Trick Flow 21 deg. heads permitted (PN TFS- 30400008-M54). Aftermarket and converted Small block Chevy heads are permitted.
Converted intakes, stock and sheet metal permitted.. Any aftermarket ignition allowed, On board data loggers allowed Gasoline only(race fuels, E85 permitted) 30\" maximum height and 10\" maximum tread width for bias-ply tires. W\'s limited to 28\". 29.5 x
10.5 bias-ply permitted with 150 lb. weight penalty. Drag radials permitted.
Non-stock style suspension permitted with 100 lb. weight penalty. Mini-tubbing permitted. Wheelie bars not permitted.
Aftermarket EFI, LS1 PCM and carburetors permitted with 150 lb. penalty.
Any GM transmission allowed. Trans brakes, line locks, and two steps- allowed. , Electronic driving aids prohibited. Throttle stops, delay boxes and auto shifters prohibited.
Independent rear suspension receives weight break of 200 lbs.
Manual transmission receives weight break of 100 lbs. Torque converters not permitted with manual transmissions. Clutch-activated automatic transmissions (re: Clutch-flite) are prohibited
Minimum race-weight limit 3,100 lbs. Car and driver must meet NHRA certifications for the time the car is running.
Limited to quickest 16 qualifiers on a .400 Pro tree in a heads up format. Is open to all LT1, 4, 5 powered vehicles. All vehicles must appear to be stock bodied and stock appearing. Sportsman Ladder.
Must have LT1-based engine.
Single power adder only. Nitrous Maximum number of stages is 2. Nitrous nozzle, plate system or Direct port. Purge must exit engine compartment, solenoids must be visible The use of agents other than nitrous oxide as part of, or mixed in, the system are prohibited. Nitrous oxide systems must use gasoline only for the fuel enrichment circuit. Limit 2 15 lbs bottles. Push systems not permitted. Nitrous water injection not permitted. NHRA permitted bottle heating only.
Supercharger Maximum Ysi or F1A. Injection of any liquid, gas, or any other substance into the inlet or exhaust housing is strictly prohibited (including methanol injection). Supercharger compressor wheel must be constructed of cast or billet aluminum. Exotic material wheels prohibited.
Turbo (Single) Maximum 88mm wit a T6 Flange. Turbocharger must be of conventional impeller and housing design and type. All air entering the turbocharger must pass through the turbocharger inlet. Injection of any liquid, gas, or any other substance into the inlet or exhaust housing is strictly prohibited (including methanol injection). Turbocharger compressor wheel must be constructed of cast or billet aluminum. Exotic material wheels prohibited. The tips of the impeller wheel may not be stepped, cut down, or notched to meet impeller tip-to-tip dimension. Reducers prohibited.
Turbo (Dual) Maximum 60mm inducer T4 flange. Turbocharger must be of conventional impeller and housing design and type. All air entering the turbocharger must pass through the turbocharger inlet. Injection of any liquid, gas, or any other substance into the inlet or exhaust housing is strictly prohibited(including methanol injection). Turbocharger compressor wheel must be constructed of cast or billet aluminum. Exotic material wheels prohibited. The tips of the impeller wheel may not be stepped, cut down, or notched to meet impeller tip-to-tip dimension. Reducers prohibited.
Progressive controllers permitted. Electronic boost controllers permitted
Heads must retain the factory 23 deg valve angle. Trick Flow 21 deg. heads permitted (PN TFS- 30400008-M54). Aftermarket and converted Small block Chevy heads are permitted.
Converted intakes, stock and sheet metal permitted.. Any aftermarket ignition allowed, On board data loggers allowed Gasoline only(race fuels, E85 permitted) 30\" maximum height and 10\" maximum tread width for bias-ply tires. W\'s limited to 28\". 29.5 x
10.5 bias-ply permitted with 150 lb. weight penalty. Drag radials permitted.
Non-stock style suspension permitted with 100 lb. weight penalty. Mini-tubbing permitted. Wheelie bars not permitted.
Aftermarket EFI, LS1 PCM and carburetors permitted with 150 lb. penalty.
Any GM transmission allowed. Trans brakes, line locks, and two steps- allowed. , Electronic driving aids prohibited. Throttle stops, delay boxes and auto shifters prohibited.
Independent rear suspension receives weight break of 200 lbs.
Manual transmission receives weight break of 100 lbs. Torque converters not permitted with manual transmissions. Clutch-activated automatic transmissions (re: Clutch-flite) are prohibited
Minimum race-weight limit 3,100 lbs. Car and driver must meet NHRA certifications for the time the car is running.