In addition to what 4ontheFloor said, you might try using a bead of black or red rtv instead of the rubber gaskets. This is especially helpful if the manifold or heads have been machined.

Here\'s a thread (on another board) that might have some useful info on this subject.


72 Sierra Grande - Maych

Forget about "do it right the first time". Do it wrong the first time to learn how, then do it right the second time.