A quick look at the gaskets show what appears to be coolant cross-overs. Since pulling the intake should not be a major job why not yank it off and see if a leaking intake gasket is the cause; a la GM 3.1.
A quick look at the gaskets show what appears to be coolant cross-overs. Since pulling the intake should not be a major job why not yank it off and see if a leaking intake gasket is the cause; a la GM 3.1.