To start with you need to measure how far down the piston is @ TDC from the deck, most of those are less than 8 to 1 stock

Last edited by csk; 07/04/20 11:34 PM.
1968 Charger COLD A/C Hilborn EFI
512ci 9.7 compression, Stealth heads, 4.10 gear A518 ODtrans 4100lb,10.93 full street car trim
2020 T/A 392 Stock 11.79 @ 114.5