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  1. J

    5.0GLPEFS power valve size

    Can't for the life of me figure out which power valve to use from holley rebuild kit. 2.5 or 4.5. I do not have a manifold pressure yet to divide by 2 to get close. Any insight?
  2. J

    Discontinued thottle part

    Can anyone help me find a Volvo, omc, cobra part number 6. Part number 0127195. The only alternative is a new $300+ new thottle?? One of the ears on mine broke
  3. J

    3.7 470 flywheel magnet removal vibration

    So after having to pull the engine to swap some parts, I have fully concluded that removing flywheel magnets does NOT add a vibration inwhich I previously reported to the forum. My issue was a spring washer that somehow got turned sideways when installing the engine after completing a...
  4. J

    Broken gimble ring eyelet

    Fun times, I recently completed rebuilding my 1984 Century Mustand 195. I always keep my outdrive down and accidently didn't raise it before moving it from the yard to the garage. Skeg hit the garage floor lip and broke off a small portion, I thought that was the end of it. Nope! Luckily I...
  5. J

    3.7 470 amazing

    Fully loaded 19.5 century mustang and towing 3 kids on a massive tube the boat came right out of the water like it was empty. I know these are the most hated engine in the marine world but I have done everything needed to keep her chugging for awhile. Great engine in my opinion. Hoping if I...
  6. J

    3.7 470 harmonic damper

    I took the magnets off since I did the alternator conversion and now I have a shake. Removed by Mod - not permitted. have a good workaround? I have also read that taking out the magnets is no issue. I am getting a good vibration at most RPM's
  7. J

    3.7 470 flywheel magnet removal

    I am switching over to a marine alternator. I have heard the flywheel magnets could possibly come unglued. Are the weights part of the flywheels balance? Cons to removing them? What is the flywheel made of? If cast, I will not attempt.
  8. J

    Need 4 wire tilt/trim switch

    Can't for the life of me find a 4 wire , single switch that has tilt and trailer. It's a mercury shift lever and I am only able to find the switches with separate trailer button. The current rocker has a up/down arrow and a picture of a trailer on it. Same as...
  9. J

    3.7 470 timing chain tensioner

    Does anyone have a source. Mine broke off the metal tab
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