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    Which water pump system is better?

    Still working on converting the old 1974 318 cui 270 Chrysler to 1977 360 cui engine. The old 318 utilized a double impeller fresh water cooling system and the 360 has single impeller to furnish fresh water with block type water pump (similar to vehicles) to circulate it. I can use either one...
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    Risers or flapper bellows?

    I'm wrapping up the conversion from 318 to 360 Chrysler and about to drop the new engine in the boat. The 360 has risers but the 318 did not. Just ninety degree elbows off the end of manifolds. That old 1974 Volvo 270 outdrive originally had the flapper on exhaust port but when that blew off...
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    Heat risers or no heat risers, that is the question ...

    I'm replacing the 318 in my Chrysler/Penta 270 with a 360 engine. We're working through complex flywheel/bell housing issues in another thread but something else of interest I'd like to throw out. The exhaust tube system for the newer 1977 360 (of uncertain outdrive) mates to my 270 outdrive...
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    A flywheel issue

    Hi. New to the forum and have a challenging and complex issue to deal with. Need some expert advice. I have an older 1974 Chrysler 318 on a 270 outdrive in a 24' Fiberform. The 318 went belly up a few years ago (camshaft issue) and I'm finally trying to get it back in the water. I picked up a...
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