How fast are you wanting to go?
Are you going to run pump gas?

If it is factory 383 short block there is a good chance that the pistons are in the hole at least .030, so closed chamber or not quench wiil be difficult.

Last edited by clovis; 04/27/21 03:23 PM.
'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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