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This chart is a guideline. Your stall speed MAY vary in your specific application. | Expected Stall RPM | ||||
Converter Series |
Advertised Cam Duration |
Rear Gear Ratio |
Engine Characteristics |
SMALL BLOCK |
BIG BLOCK |
Street Rodder™ | Stock to 260° | Stock to 3.23 | Smooth Idle, Stock Compression | 1500- 1700 |
1700- 1900 |
Saturday Night Special® | Stock to 265° | Stock to 3.23 | Smooth Idle, Stock Compression | 1600- 1800 |
1800- 2000 |
Breakaway® | 265° to 280° | 3.00 to 3.73 | Fair Idle, Mild Modifications | 2200- 2400 |
2400- 2600 |
StreetFighter™ | 280° to 300° | 3.55 to 4.56 | Rough Idle, Large Fuel System, Raised Compression |
3000- 3400 |
3400- 3600 |
Super StreetFighter™ | 280° to 310° | 3.73 to 4.88 | Rough Idle, Large Fuel System, Raised Compression, Top End Power |
3500- 3800 |
3800- 4000 |
Ultimate StreetFighter™ |
290°+ | 3.73+ | Up to 750 HP w/ Power Adders | 3500+ | 3800+ |