Mechanics

PONTIAC GRAND AM BACKFIRE PROBLEM

1999 Pontiac Grand Am • 150,000 miles

We had a blown head gasket and had to have the head machined down 29 thousands, we have it back together and it will run, but is not ideling well, and ocassionaly backfires. We are thinking that we might need to shim up the rockers
thoughts?
Avatar
Guest
October 21, 2012.



What motor?

Roy

ASEMaster6371
Oct 21, 2012.