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  1. RiggerMark

    ignition question

    good day, 1983 stingray 3.0 alpha had an issue with my ignition switch, installed another, still have the issue...:facepalm: motor seems to want to start as you let off the starter part of the switch kinda like when the switch is in far right mode, something is being...
  2. RiggerMark

    1983 Stingray CC, 3.0 alpha/ gen 1.. outdrive questions

    Good day gang, Been trying to fix this issue without bugging the forum, nice having it, huh? my first issue is the wiring coming out right above the shaft on the outdrive, can't find it in my manuals or online, it looks like a bunch of corroded lamp cord, i believe it was attached to plate...
  3. RiggerMark

    fuel pump install question

    good day gang, am working on a 3.0 merc (gm 140) roughly a mid eighties motor, the mech fuel pump was installed with the filter "bowl" pointed up, got to looking at merc manuel, it shows it pointed down, looks more right to me, then i goggled 3.0 merc and looked at images, half the darn...
  4. RiggerMark

    replacing a 140 merc with a 170 merc

    Good day people, Just got my next project, 1983 stingray cuddy, the 140 has been frozen and cracked, have a buddy that will sell me a good running 170, out of a 1985 fourwinds, so how much different are the mounts, the connection between motor and outdrive, and any other info that you...
  5. RiggerMark

    AND another 4.3 engine swap * from my truck to my boat

    good day, so if ya saw my oil pics, you know what the next step is, and to give an idea of what the heck I'm doing, I brought and installed a low miles 4.3 in my gmc work van back in april, brought from ppl I know, runs great in the van, but I never got around to getting the van on the...
  6. RiggerMark

    check out my OIL

    Morning, Been working on cars and such for most of fifty years, heard the term milkshake, but never have seen something mix like this so quick, going to start another thread on my engine swap, I got this boat knowing that it would need motor work, BUT, when I drained the old oil, very...
  7. RiggerMark

    Ahoy mates

    Evening boat folks, thanks for all the info on here, also for the easy membership, i figured since my girl is powered by OMC 4.3, that this was where I'll spend most my time, I've already noticed a few omc gurus, once again thanks for the membership, hope to be able to be of help as much as need...
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