I am trying to tune my 1984 Corvette Crossfire 5.7L engine with a cam that I can only identify as a CS771. It is supposed to be a little hotter than the original Corvette was. The engine was built in 1992 but has zero miles. I have modified the Crossfire TBs by installing matched 5235206s. I removed and capped off the original regulator and accumulator and feeding both in parrallel with a Mallory regulator. Am now trying to tune the 1227747 ECM and having trouble with setting spark to zero and getting a decent idle. Googling CS771 camshaft netted me several different cams.
My main purpose for this inquiry is to rule out the cam as the problem. Any help is welcomed. The engine is in a 1949 GM pick-up with no EGR and no cats yet. Bob