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Posted by Cjw3 on August 20, 2013 at 9:11 PM
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In Reply To Hmmm... posted by inf on August 20, 2013 at 08:42 PM
     
Message My thoughts are the Exhaust Valve is warped from the heat.. But at this point it's only a guess.. Lean runs hot.. REALLY lean makes no power and can't make enough heat to do much damage.. but again, it's all a guess at this point.. we don't know what sort of lean we have.. and how hard the owner flogged it before returning it.. gotta have a Look-See..
Leak down test to see if it's an intake or exhaust.. really does not matter at this point.. but it aids in the troubleshooting later.. and helps you convince yourself it's gotta come apart

Can get a Bore Scope and have a peek at the Valve tops.. but again.. your going to have to pull it down anyway if you have ZERO Compression.. UNLESS you somehow have a Carbon Chunk stuck under a valve seat.. ( Hey.. dragging at straws here.. )
I hate it when you shoot yourself in the Foot..

Cj

     
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