Very hot cly
Very hot cly
Did a leak down on number 4 cylinder seems to be blowing out the exhaust valve it was almost glowing red the last time I had it out
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Re: Very hot cly
The jug will be ruined if the valve isn't fixed. I would try to get a look at the valve seat before pulling the jug but even with a good borescope it can be difficult to spot what is causing the problem. A valve can be lapped without pulling the jug but if the seat is actually bad or the valve burned then the cylinder must come off for repair.