> I'm stumped. Anybody have an idea what this may be? I hate to start
> tearing down the engine and replacing expensive parts just to see if
> it improves.
I'd check out the valve springs in that area. Rig some sort of prybar so
you can depress each valve in turn ... if one is noticeably easier than the
others then it has a dead or broken spring.
Not too hard to change the springs without pulling the head.
Randall
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