Colt4G63 also
15+ Year Contributor
- 3,393
- 58
- Jul 23, 2008
-
Tonawanda,
New_York
It's the valve stem seals smoking out the tailpipe. It's always the valve stem seals. You can see the oil in the exhaust ports. It's just too bad they didn't get changed when the head was off since it would have been a zillion times easier.