I have a Mercruiser 5.7 350MAG. I'm planning on replacing the exhaust
manifolds and elbow's at the end of the season. Anyone have any tips on
doing so? The only problem i forsee is one of the bolts trhough the
manifold into the block is very rusted to the point where i don't even think
i can get a grip with the special socket set. My thoughts are heating it
and then removing the head and slide the manifold out then work on the bolt
into the block... Any suggestions ? ? ?

Thanx...