Quote: I would only expect around 10 inches of vacuum with that cam in a 440. Even though you've got more cubes at idle it won't matter much. Needs more timing but that is going to exacerbate your fast idle issue. Are you setting up the center carb with the outboards disconnected?
100%.....you have to find what's causing the high idle first.....that thing will not idle at all with the screw backed all the way out if everything is right. Keep us posted....
100%.....you have to find what's causing the high idle first.....that thing will not idle at all with the screw backed all the way out if everything is right.
