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Old 06-25-2018, 11:34 AM   #7
DHZIEMAN
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Join Date: Dec 2016
Location: Sunrise Beach, Mo
Posts: 439
Default Re: #1 cylinder has 36psi compression

Quote:
Originally Posted by TomballMottershaw View Post
thanks,
good questions:

re Q1: --> no water bubbling up in Radiator

re Q2.) not a chipped valve as they looked good when we had the head off.
but some sort of valve sealing issue is possible.

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I'll do a cylinder leak test next.

But I omitted the puffs of smoke from the oil filler tube tube a low idle speed.

this is why I think it's the rings / Cylinder wall leak.
If something did not get under the valves on #1, then, I would venture before new gaskets the compression was 35lbs on #1 and it was puffing smoke out the breather. If not, you need to do more investigation. If something got under the valves in doing the gaskets, then it may work out. To me the tip off in your words is when you oil the cylinder, the pressure rises to 50. That sounds like rings. puffing smoke out the oil breather further enforces the notion of bad rings on #1! Can you ident if it was puffing smoke out the breather before the gasket work?
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