You don't actually think a 302 (Boss or not) with 260 degrees of duration is going to idle well?
Where is the lowest rpm you can get at an idle?
What carb is on it? If its a Holley you might need a lower (much lower) power valve on it.
Where is the lowest rpm you can get at an idle?
What carb is on it? If its a Holley you might need a lower (much lower) power valve on it.