Have an Isky 301 cam installed straight up in an 80 over 312 with cleaned up G heads and 1.5 rockers. It needs at least 20 degrees of initial timing to begin to run. The Demon chart says for cams >250 degrees of duration that's what I should need but it seems like a lot more than the old 6 degrees recommended for the automatic let alone the 4 degrees for a stick. Is it all about the changes in the gas out there??? MIKE

Mike, still lovin his 57 t'bird after 53 years!