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bdtutton · 06-16-2019, 10:28 PM

I have been busy doing other stuff so this has been a slow project. I pulled the manifolds, distributer and the valve cover plate. I found the engine has modern style valves and all the clearances are between .010 -> .018 and the tappets are adjustable. I loosened all the head bolts and realized the head is stuck on tight so I am going to spray some penetrating oil around the studs and I have ordered a head puller that will be here in a couple of days. I will see what the valves look like as soon as I get the head off. I only expect to see one bad one because when I did a leak down test on the other cylinders the biggest problem I had was keeping the engine from spinning because the valves were pretty tight. I wonder what caused this problem.

06-16-2019, 10:28 PM	#29
bdtutton Senior Member Join Date: Sep 2016 Location: Southwest Michigan Posts: 113	Re: I think my exhaust valves are burnt I have been busy doing other stuff so this has been a slow project. I pulled the manifolds, distributer and the valve cover plate. I found the engine has modern style valves and all the clearances are between .010 -> .018 and the tappets are adjustable. I loosened all the head bolts and realized the head is stuck on tight so I am going to spray some penetrating oil around the studs and I have ordered a head puller that will be here in a couple of days. I will see what the valves look like as soon as I get the head off. I only expect to see one bad one because when I did a leak down test on the other cylinders the biggest problem I had was keeping the engine from spinning because the valves were pretty tight. I wonder what caused this problem.