LP vs. Gas
I'm thinking about buying another rig (sold ours six months ago). This rig is a GMC (1976) with an Olds 455. It's low mileage and has only run on LP. I've got a couple of questions: 1. Other than i...
Forum Discussion
You may have problems with the heads, engines of that vintage didn't have hardened valves and seats. Valve guides didn't last long either, LP is very dry and caused the oil to break down.
