Quote:
Originally Posted by Pilotdave
Thanks, guys.
I will retry the test with lower pressure - had assumed (we know where this gets one!) that I needed to have test pressure greater than compression. I am planning to remove the intake/exhaust manifold and retest. If I get air out #2 intake port and not out of #3 spark hole, this would tell me that the problem is #2 intake valve. On the other hand, if it's still leaking from #3 spark hole and not from #2 intake port, it has to be head or head gasket..... yes?
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That's probably the best way to pinpoint the offending cylinder. Eliminate the conduit between the two so the transfer of air can only be by the gasket or out only one port. Either way you probably will need a new gasket, tho you may get lucky.