Your not going to want to hear this as I just hung up with him and we are dynoing a SC/Rambler motor I just finished up next Thursday.
But yesterday was a roller stroker 461 with mellow street hydro roller and roller rockers. It only has 9.4:1 compression and some mildly cleaned up '71 #96 heads. It made 417 hp and 512 tq on pump gas.
Headers added about 10 and 10 to the power.
The GT37 is a must do as you I am sure already know my attitude about your car.
Mark
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