4.12 Bore, 4.25 stroke. 9.3:1 CR A 276 intake degrees @ 106 ICL is 32 BTDC / 64 ABDC. 7.52:1 DCR and should have cranking compression of around 184 PSI. That should be able to run on 93 Octane with Iron heads.
Stan
__________________
Stan Weiss/World Wide Enterprises
Offering Performance Software Since 1987
http://www.magneticlynx.com/carfor/carfor.htm
David Vizard & Stan Weiss' IOP / Flow / Induction Optimization - Cam Selection Software
http://www.magneticlynx.com/DV
Download FREE 14 Trial IOP / Flow Software
http://www.magneticlynx.com/DV/Flow_..._Day_Trial.php
Pontiac Pump Gas List
http://www.magneticlynx.com/carfor/pont_gas.htm
Using PMD Block and Heads List
http://www.magneticlynx.com/carfor/pont_pmd.htm
|