Recent content by colesdadd

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    79 Mercruiser 5.7 log ex riser questions

    I have two used risers for my brand new log style manifolds. Both are in excellent condition or I wouldn't consider using them. One has an insert where the water dumps into the exhaust, I suppose as a way to help prevent water backing up into the exhaust port. Also, the insert appears to be...
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    fuel pump advice needed, elec or mech?

    I'm thinking about switching from the Merc factory fuel pump to an electric fuel pump. Any advice greatly appreciated. 1987 Searay 240srv 5.7 Chev thank you :-)
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    1979 Mercruiser 5.7 cooling system questions

    I found out this week that the Lenco heat exchanger I got (used) is a "half system" which is fine. My engine is a 1979 5.7 and I have log style exhaust manifolds. The ends on each manifold have a hose attachment nipple. The risers have one nipple on each one. The manifolds are new, the risers...
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    1979 5.7 L need photos/diagrams please

    Hi guys, I am putting my boat back together after rebuilding the engine. It's a 5.7 (350ci) in a 1979 Searay SRV240. I pulled the engine out 3 years ago, rebuilt it and bolted it back in then moved up here to Alaska where it has had to wait to get all put back together until I could rebuild the...
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