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    Cracked Engine block

    Hi there I just recently bought my first boat with a VP 4,3 V6 225 hp from 1998 in it. I found out that there was a bit of water in the oil, so i decided to pull the manifolds off to presure test them. They are fine. Then I presure tested the engine block, and it seems like that's the leaking...
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    Marine Heat exchanger vs. Regular plate Heat exchaner

    Hi there I am looking to build a heat exchanger onto my VP 4,3 to save it from the rough nature of saltwater. The marine exhanger models are mighty expensive, so my dad and i got to thinking why wouldn't you just use a regular stainless plate heat exchanger. Can anyone tell me why the marine...
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