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Type: Posts; User: o2batsea

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  1. Re: Mercruiser 5.7l EFI - Starter Replacement - Yellow/Purple Wire

    Your EFI should start in half a spin. You have some kind of problem but no idea what.
  2. Re: Trim Intermittently Working/Battery Drains

    Trim has three control wires coming from helm going to trim solenoids. Red/white, green/white, blue/white. The red supplies 12V to the solenoids and the green and blue are the uppy-downy control...
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    Re: compression reading

    How do you know it's a he, Rick? Themself is correct in this case.
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    Re: compression reading

    How is it that you know the OP is doing this test themself?
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    Re: compression reading

    Sure, Bill, but Rick said....oh fuggadabowdit!
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    Re: 7.4 MPI 454 Block swap

    A remanufactured engine is not expensive if you do the work to install. A 454 is about $3500-4000. I would replace the engine and put on new exhaust manifolds and elbows just to be sure that it will...
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    Re: 3.0 performance upgrade

    Boat engines do not behave the way car engines do. Port work benefits only at the top end where air flow is at max and you're trying to flow more. Since boat engines are literally incapable of ever...
  8. Re: Hydrolocked my 4.3 Merc. Now it won't accelerate

    You probably did some internal engine damage. Hydro locking in many cases results in bent connecting rods. Only a teardown can confirm. Compression test not definitive.
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    Re: engine goes faster wile...

    snip.
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    Re: How to replace a frost plug

    Rubber expansion type plug is easy to install without moving the engine at all.
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    Re: 2002 Mercruiser 5 liter MPI Hydolock

    Intake manifold gasket?
  12. Re: Electrical issue questions - 1990 4.3 alpha 1 , gen 1

    Try the simple things first. Check all the connections on all the battery cables to ensure they're all tight and clean of corrosion. Check the negative cables too.
    Low voltage can make all kinds of...
  13. Re: replacing waterpump impella and its v belt problems.

    You can remove the pulley. There's a toothed gear on the bolt that engages on a rack on the bracket. By loosening the locknut and rotating the pulley bolt it raises/lowers the pulley to adjust the...
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    Re: Hooking up an outboard full line help

    This is just me, but I have a huge issue running the kicker from the main engine supply. Is it really such a big thing to have the extra tank on board?
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    Re: Hooking up an outboard full line help

    For fuel line, I highly recommend Shields Flex-acol which is marine hose that is safe for ethanol added fuels. When you attach this hose, use good quality all-stainless hose clamps like AWAB that...
  16. Re: 2006 Mercruiser 3.0 will not start - intermittently

    Age of battery? is it sized correctly for the engine?
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    Re: Moving battery to the bow

    Something rigid? There's like a gazillion kinds of sleeving for exactly this kind of thing. If it were me, I'd use the non metallic conduit. It's flexible enough, won't crush and is cheap and easy to...
  18. Re: Costco marine battery is starter or deep cycle?

    DC stands for "deep cycle" which means that the grid plates are solid not open lattice. There's also more lead inside (thus the 50lbs weight) That means that it can take and hold a charge for longer...
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    Re: New to me 95 Alpha 1 Prep

    Translation: cracked block
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    Re: Water pump & impeller

    Here's the thing. Boat engines are not to be confused with automotive engines. They look a lot alike but have very different performance aspects. A boat engine is like an industrial power plant...it...
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