Huh, sure seems like a problem I would have run into, but yet I didn't. Are you running a new valve cover gasket? In any event, it sounds like you've addressed the things that would cause this to be a problem. If everything else checks out I guess you'll need to grind a bit off the inside of the valve cover.


Jeff Moskovitz
1986 turbo 4X4 truck
1998 2.7L/M5 4X4 4Runner

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