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Re: Cap'n, #5 is down, 'n I can't hold 'er any longer!
> Perhaps the last cylinder is run the leanest for some reason (intake runners
> wrong (allowing for too much air to the 5 cylinder), fuel pressure too low in
> that area, etc...). Causing detonation and subsequent gasket failure. (despite
> those dang knock sensors). This can happen with turbo charged cars, in
> particular ones running higher than normal boost.
Or the wonderful exhaust manifold giving #5 a more direct line thru the
wastegate, less exhaust back pressure, more air on the intake stroke
hence leaner mixture?
(Just a passing thought.)