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Dead Cylinder
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Gudmundur
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In article ,
says...
I have a 8 cylinder 350 (I think GM..it's in a boat)
Engine back fires and sputters. Engine does not leak oil that I know of.
(or at least not very much)Compression test revealed 0 compression in 1
cylinder and all others were ok. Based off these symptoms, Is it likely
that I will have to do work on the engine block or will the problem be
likely in the Head (gaskets or other)
Probably a valve problem, like the intake seat came out, and the valve
is resting on it. Presto, no compression, and backfires through the carb
like crazy. If there is a hole in the piston the engine usually blows oil
everywhere from every orfice, and you lose oil like crazy.
Generally, a blown head gasket affects 2 cylinders.
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