Thank you! I hesitate to mess with the 391 as it runs so well, but we might be re-locating cross-country, and driving a gutless wonder that far would make me consider a piston swap, and cam.
what about the cam gear? is there an advanced timing version?
390 heads, 360 pistons (why not 390 pistons?) edelbrock intake, headers etc.
1994 Bronco, 1996 Bronco, 1973 F-750 Dump, 1979 F-600 Crewcab Flatbed, 1976 F-250 2wd, 1997 F-250 Powerstroke Supercab 4x4, 2003 Mercury Marauder 2 2007 Crown vics, assorted other boring vehicles...and my own NAPA store.