Another option is simple 451, I used a stock forged crank, stage vi heads, mopar 590 cam and 13:1, to go 9.83 at 3300 lbs in a duster.


'75 Plymouth Duster
Phase I 451 906/590/2-660 10.75/126
Phase II 451 Stage VI/590/1050 9.82/135
Phase III 383 906/Victor-Pump gas 11.30/119

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