Duration @ .050" Lift by RPM Transmission
| 190 to 205 | Idle - 3,500 rpm | Manual or Auto. with stock converter
| 206 to 220 | 1,500 - 4,500 rpm | Manual or Auto. with stall 500-600 rpm above stock
| 221 to 230 | 2,000 - 5,500 rpm | Manual or Auto. with stall 1,000 rpm above stock
| 231 to 234 | 2,500 - 6,000 rpm | Manual or Auto. with stall 1,000-1,500 rpm above stock
| 234 to 238 | 3,000 - 6,500 rpm | Manual or Auto. with stall 2,000 above stock
| 239 to 244 | 3,500 - 7,000 rpm | Manual or Auto. with Race converter
| 245 to 255 | 4,000 - 7,000 rpm | Manual or Auto. with Race converter
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