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I just put an edelbrock air gap intake on a pretty much stock lt1 and after install it idled high so I checked for excessive vacuum with starting fluid around the intake but it was good. While driving the car accelerated on its own so I threw it in neutral and it revved out to 3100 and stayed there. It will drop back down if I munch on it but after a few seconds idles back up. Im pretty sure there is no excessive vacuum so what else could the problem be, and if possible what vacuum lines can be blocked off to fix this? I'm getting pretty frustrated and could use some help.
Thanx
Chris
Thanx
Chris