I know tight valve clearance can cause low compression but at what point would loose clearance cause it? This topic came up the other day after I took off the head on my E3. No visible issues but when I turned it upside down on the bench and poured mineral spirits on the chamber is leaked out slowly on the exhaust side port. The head is getting checked out at a shop, but while I had it off I noticed that on the low compression cylinder one of the rockers was too loose, I think it was the intake valve, can't remember now. I did a non-gauge hand check while it was still on the engine and the clearances all felt the same and normal, but on the bench I found that one of the rockers was "notchy" and felt normal until I pushed really hard and it got more loose, maybe two or three times the normal clearance, I didn't have a gauge. This brought me to my question...
Dan
Dan