Classes, Rules & Payouts
Classes and rules are subject to change.
Payouts are estimates depending on event participation.
For more information see the Official LTX Shootout Forums.
LTX Outlaw
Must have LT1-based engine. Unlimited. Run what ya brung!
- Limited to quickest 32 qualifiers
- Class Sponsors: TBD
- Estimated payout: TBD
LTX Modified Power Adder
Must have LT1-based engine. Single power adder only. Progressive controllers permitted. Electronic boost controllers permitted. Heads must retain the factory 23 deg valve angle. Converted intakes, stock and sheet metal permitted. 10.5" X 29.5" (sidewall designation) maximum tire. W's limited to 28". Drag radials permitted. Non-stock style suspension permitted with 100 lb. weight penalty. Mini-tubbing permitted. Wheelie bars not permitted. Aftermarket EFI and carburetors permitted with 150 lb. penalty. Any GM transmission allowed. Lexan windshields not permitted. Independent rear suspension receives weight break of 200 lbs. Minimum race-weight limit 3,100 lbs. Car and driver must meet NHRA certifications for the time the car is running.
Nitrous (no limitations)
Supercharger (maximum F1A ,YSI)
Turbo (maximum 81mm inducer, maximum T4 flange)
Twin Turbo (maximum 60mm inducer, maximum T4 flange)
- Limited to quickest 32 qualifiers
- Class Sponsors: TBD
- Estimated payout: TBD
LTX Modified N/A (Naturally Aspirated)
Must have LT1-based engine. No power adders permitted. Heads must retain the factory 23 deg valve angle. Converted intakes, stock and sheet metal permitted. 10.5 "X 29.5" (sidewall designation) maximum tire. W's limited to 28". Drag radials permitted. Non-stock style suspension permitted with 100 lb. weight penalty. Mini-tubbing permitted. Wheelie bars not permitted. Aftermarket EFI and carburetors permitted with 100 lb. penalty. Any GM transmission allowed. Lexan windshields not permitted. Independent rear suspension receives weight break of 200 lbs. Minimum race-weight limit 3,100 lbs. Car and driver must meet NHRA certifications for the time the car is running.
- Limited to quickest 32 qualifiers
- Class Sponsors: TBD
- Estimated payout: TBD
LTX Extreme Street Power Adder
Must have LT1-based engine. Single stage, single power adder only. No progressive controllers. No electronic boost controllers. Heads must retain the factory 23 deg valve angle. Only stock/stock ported intakes will be allowed. Welded intakes not permitted. LT1 PCM only. Must retain opti spark. Coil per plug allowed. DOT approved radials only, drag radials permitted, must retain one of the following aspect ratios (275/50-15, 275/60-15, 255/50-16, 275/40-17, 315/35-17, 295/45-17). Must have stock-style suspension. 4-links and ladder bars not permitted. Mini-tubbing not permitted. No solid motor mounts, motor plates or anti-roll bars (aftermarket sway bars permitted). Must retain full OEM interior including both front seats. Aftermarket front seats permitted. Rear seats may be removed. Must have mufflers. Must retain OEM type transmissions of one of the following (700R4, 4L60, 4L60E, T56). No trans-brake or two-steps. Must have factory glass. Lexan windows not permitted. Must have working lights, wipers, horn. Must have current tags. Minimum race-weight limit 3,400 lbs. Independent rear suspension receives 200 lb. weight break. Car and driver must meet NHRA certifications for the time the car is running.
Nitrous (nozzle or plate system only, maximum one nitrous and one fuel solenoid, purge must exit engine compartment, solenoids must be visible).
Supercharger (maximum D1SC, T-Trim).
Single Turbo (maximum 70mm inducer, maximum T4 flange).
Twin Turbo (maximum 45mm inducer, maximum T4 flange).
- Limited to quickest 32 qualifiers
- Class Sponsors: TBD
- Estimated payout: TBD
LTX Extreme N/A (Naturally Aspirated)
Must have LT1-based engine. No power adders permitted. Heads must retain the factory 23 deg valve angle. Only stock/stock ported intakes will be allowed. Welded intakes not permitted. LT1 PCM only. Must retain opti spark. Coil per plug allowed. DOT approved radials only, drag radials permitted, must retain one of the following aspect ratios (275/50-15, 275/60-15, 255/50-16, 275/40-17, 315/35-17, 295/45-17). Must have stock-style suspension. 4-links and ladder bars not permitted. Mini-tubbing not permitted. No solid motor mounts, motor plates or anti-roll bars (aftermarket sway bars permitted). Must retain full OEM interior including both front seats. Aftermarket front seats permitted. Rear seats may be removed. Must have mufflers. Must retain OEM type transmissions of one of the following (700R4, 4L60, 4L60E, T56). No trans-brake or two-steps. Must have factory glass. Lexan windows not permitted. Must have working lights, wipers, horn. Must have current tags. Minimum race-weight limit 3,400 lbs. Independent rear suspension receives weight break of 200 lbs. Car and driver must meet NHRA certifications for the time the car is running.
- Limited to quickest 32 qualifiers
- Class Sponsors: TBD
- Estimated payout: TBD
LTX 12.00 Index
This class is a "heads-up" class with ET limited to 12.00. Must have LT1-based engine. No electronics (includes trans-brakes, delay boxes, throttle stops, power adder controllers). Car and driver must meet NHRA certifications for the time the car is running.
- Limited to quickest 32 qualifiers
- Class Sponsors: TBD
- Estimated payout: TBD
LTX Bracket
Must have LT1-based engine. No electronics (includes trans-brakes, delay boxes, throttle stops, power adder controllers). Car and driver must meet NHRA certifications for the time the car is running.
- Limited to quickest 32 qualifiers
- Class Sponsors: TBD
- Estimated payout: TBD