HI there,
thank you for the donation,
I have heard that there were a batch of engines with a problem with manifolds, something to do with a casting fault, not sure if this is indeed fact or fiction, nut there is no reason apart from possibly being over tightened I can think of that would cause this problem, I will see if I can find out any more info for you.
Mark (mhpautos)
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Saturday, December 5th, 2009 AT 6:42 AM