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  1. M

    Mercruiser 470 (3.7) big block 4-cyl. question...

    After a year of gathering parts, getting the motor working, fixing the wiring, etc...it's time for the outdrive! The outdrive(lower) that came with the boat had all kinds of maintenance issues. Finally I bought an outdrive from a great I-boat member. My questions is this, the upper that came...
  2. M

    FYI...cheap priming bulbs!!!

    Just a piece of info. that cost me half a day... Not sure if anyone has ever made the point to say DO NOT buy cheap fuel priming bulbs!!! I had a cheap one on my outboard, temporarily...and after half a day of troubleshooting, etc... still could not get air out of my fuel line between the...
  3. M

    Small spyder cracks concern?

    Re: Small spyder cracks concern? Here's a sample of the spyder crack(s)...
  4. M

    Small spyder cracks concern?

    Fellas, So, I found several small spyder cracks on bottom and some on side of my fiberglass hull. I'm hoping these are from the cheap paint the previous owner sprayed. My questions is if these are cracks in the hull, should I be concerned? And what would be the best way to repair? Thanks...
  5. M

    Need help with my MC-1 outdrive....

    Captains, seamen and anyone that can help, I am not able to take off my outdrive!!! This is a MC-1 outdrive(1982 vintage). Having acquired the boat a few months ago, the previous owner did something to the shift cable... It is half the cable it used to be. About half the strands are broken...
  6. M

    Need help with my Merc.470 (big block 4-cylinder...LOL) engine...

    Re: Need help with my Merc.470 (big block 4-cylinder...LOL) engine... So, I just picked up these little socket cap sets to put on the end of the spark plug socket... Let you know how this works...
  7. M

    Need help with my Merc.470 (big block 4-cylinder...LOL) engine...

    Can anyone tell me if there is a special tool/trick in getting to the No.1 spark plug (behind the metal coolant reservoir) without taking the reservoir off and therefore needing a new gasket, seal, etc... Thank you!
  8. M

    Merc. 470 (170 hp) with Mercruiser 140 outdrive...Too much motor?

    Good afternoon fellas, So, in continuation with my overhaul of the Checkmate... I'm starting to wonder what the PO has done to this boat? Does anyone know if the Merc. 470 would have come with the Mercruiser 140 outdrive? I ask this because I am planning on going through this outdrive(new...
  9. M

    Checkmate Sportfire Restoration

    So, I "officially" started my Checkmate restoration/resurrection today... I had some spare time, while babysitting some industrial machines at my business. I decided to start from the "ground up". Got the one of the trailer wheels, and decided to clean it up with some Gem Rust Killer(basically...
  10. M

    Merc 470 vs 3.2 L Volvo Penta (4cyl)

    In my journey of Merc 470 repair/replace... I found a Volvo Penta with boat...good price(????)! I know nothing about the Volvo Penta 3.2 L. Any warnings, suggestions, or observations about this motor vs going with the Merc. Thanks... Mario
  11. M

    Mid 1980's Bayliner poll!!!

    I'm looking at a donor boat for a motor, and found a 1986 Bayliner... I kind of like the looks of the boat, but remember being told the Bayliners are not such a well built boat. Reason I'm asking, I might postpone my Power Boat rebuild for another day and go with this one...for now Are the...
  12. M

    Merc. 350 motor weight issue...

    So, I'm contemplating with the idea of re-powering my 21 foot CheckMate with a Merc. 350. It's easier to work with, it's more reliable, and parts are readily available compared to my current Merc. 470. So, my question to those more experienced than me is this: Can I compensate for the 350 lb+...
  13. M

    Parts for the Merc. 470...

    Can someone let me know of a good place, online, to buy new parts for the antiquated Merc. 470 motor? I understand that the head is a Ford 460, but there are subtle differences, etc... Thank you!
  14. M

    Good engine swap for Merc. 470?

    Hi all! Wanted to ask what would be a good, somewhat direct, swap for my Merc 470. I am considering just buying a professionally rebuilt 470 from a marine engine re-builder in VA. But, having read all the different threads on the love/hate realtionship of the 470 I am wondering if there is a...
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