Manifold Vacuum Experiment

if it was fine before why do you think changing cams will fix it
Id pull the the acel pump check for crud and the gasket theres and adustment there as well
all of a sudden you shoudnt need the blue cam if she was running perfect on the pink
You're not reading the whole thread. It's never been "fine". It's always had a stumble off and on. Read post #146.