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"Classic" Thunder Racing Cams

Thunder Racing began designing LS1 camshafts in 1998, and our cams have proven to be some of the most reliable power-makers on the block.  Although camshaft sizes have gotten more aggressive over the years, these cams are tried-and-true in a variety of applications, with the perfect mixture of power and drivability.  If you need assistance with cam selection, please contact our sales department.

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99-TR220/220-112 
Thunder Racing Custom Camshaft
"TR 220-112" - 220/220  .551/.551 112 LSA 1500-6500 RPM Power Band. Computer Tuning Required with automatic transmission cars. A very well balanced camshaft that makes excellent power across the entire RPM range. Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended.
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99-TR220/220-114 
Thunder Racing Custom Camshaft
"TR 220-114" - 220/220  .551/.551 114 LSA 1500-6500 RPM Power Band. Computer Tuning Required with automatic transmission cars. A very well balanced camshaft that makes excellent power across the entire RPM range. Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended. 
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99-TR224/224-112 
Thunder Racing Custom Camshaft
"TR 224-112" - 224/224  .563/.563 112 LSA 1700-6500 RPM Power Band. Excellent mid-range & high RPM power. Requires computer tuning on automatic transmission cars. Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended.
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99-TR224/224-114 

Thunder Racing Custom Camshaft
"TR 224-114" - 224/224  .563/.563 114 LSA 1700-6600 RPM Power Band. Excellent mid-range & high RPM power. Requires computer tuning on automatic transmission cars. Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended.

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99-TR224/227-114 
Thunder Racing Custom Camshaft
"Split Pattern" - 224/227  .563/.569 114 LSA For nitrous and supercharger applications.  This cam will check in the 226 range on the exhaust lobe.  2200-6800 RPM Power Band.  Excellent mid-range & high RPM power. Automatic cars require computer tuning and it is recommend for optimum results on manual transmission cars.  Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended.
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99-TR227/224-114 
Thunder Racing Custom Camshaft
"Reverse Split" - 227/224  .569/.563 114 LSA  (This cam will check in the 226 range on the intake lobe.) 2200-6800 RPM Power Band. Excellent mid-range & high RPM power. Automatic cars require computer tuning and it is recommend for optimum results on manual transmission cars. Better piston/valve clearance than 230/224 cam for applications using heavily milled heads and/or larger than stock valves.  Slightly smoother idle than 230/224 cam. Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended.
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99-TR227/227-XTR 
Thunder Racing Custom Camshaft
"227 xTReme" - 227/227 .639/.639 116 LSA. 2200-6800 RPM Power Band. Excellent mid-range & high RPM power.  Idle Characteristics of TR 224/224.  Computer tuning required. Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended.  Comp 921 valve springs are highly recommended.
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99-TR230/224-111 
Thunder Racing Custom Camshaft
"Reverse Split"  - 230/224  .575/.563 111 LSA  2200-6800 RPM Power Band. Excellent mid-range & high RPM power. Automatic cars require computer tuning and it is recommend for optimum results on manual transmission cars . Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended.
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99-TR230/236-112 
Thunder Racing Custom Camshaft
"Split Pattern" - 230/236  .592/.602 112 LSA 2400-6800 RPM Power Band. Excellent mid-range & high RPM power. 3200 stall, 3.42 gear, computer tuning required. Due to the fast ramp rate of this camshaft, the use of 1.8 rockers is not recommended.
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