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    Mercruiser 5.7 Vortec Intake Manifold gasket mismatch?

    Hi Masters and Gurus! I have had water in oil issues with my Mercruiser 350 and machined the heads and changed to new risers/ exmanifolds— now found the problem. When taking the intake manifold off its clear that the gasket did not seal the water passage at the rear... This has not been a...
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    Dry joint Riser on Non- dry joint Manifold?

    Hi! As I am quite new on the forum I hope you bsre with my noob- questions.. ☺️ I have a merc 5,7 from around -97 with vortecs. Seller said 315 hp, but was lying about longblock age.. said -06 We got the heads planar and valves taken care of..Boat is moving ok (Donzi Ragazza 25) with temp...
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    Vortec heads, help Id.

    Hi DrewOrr! Your post from last year concerning the heads with 13120906 is the only post out there thats a clue to what the heads are =) Did you come up with information on them? I have just gotten mine back from the shop, ground down.. Guess Im puttning them back on, but it would be nice to...
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