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    Another v6 to v8 swap question

    I'm so sorry if this has been covered... Honestly I think I've read every thread on v6 to v8 swaps lol So I've got a 1991 21 foot prowler boat made by cooper yacht... It's very similar to a mirage. It's time for a new motor and I've done a lot of research... But have a couple questions... Let...
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    91 4.3 no water circulation

    So I got my boat ready for the summer... installed plugs and fired it up on muffs and I'm not getting any water flow exiting the drive. It's a 91 4.3 mercruiser You guys have any idea what may have happened? Where to look first? I should add its raw water cooled Thanks :)
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    Mercruiser alpha gen1 intermittent knock

    I have a knock coming from my outdrive... I can feel it when I put my hand on the exhaust pipe but not when I put my hand on the engine... ItsI most noticeable at idle and in gear or out makes no difference... I originally thought something was rattling against the transom, it sounds like a...
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    V6 to V8 motor mount relocation

    Wondering how one would add to the motor mount pedestal for a V6 to v8 swap? From what I understand I will need to extend/move the motor mount approximately 4 1/2 inches or so... Thoughts? Ignore the oil please... I just did an oil change lol
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    How fast can I go?

    Hello everyone... I'm not sure if this is the right place to post this but I'm wondering if anyone has any idea how fast this hull could go. It's a 21 foot prowler boat by Cooper Yachts. I don't know the beam but I'll say that it's quite beamy lol. It's powered by a 4.3 and I'm looking to...
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