'99 VP 5.7L GSI PWTRCE, SN 4110186008, 550 hours
Sorry in advance for very long post, but I'm trying to give you guys as much background as possible. I have found several posts on here with similar issues but haven't found any that go all the way to a solution. I'm starting to think the shop...
I have nearly the opposite issue as that of another poster. I've got a '99 Four Winns with a VP 5.7L GSi - SX and just had the head gasket replaced, valve springs, water pump, t-stat, etc. First time back out I noticed I'm now running about 500 rpms higher to get the same speed as I had...
