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  1. J

    crank flywheel coupler studs/nuts

    I've got to get new studs for the coupler / crank connection which sandwiches the flywheel. the part number is 0911927 and seems to be unavailable or costs 15$+ per stud. Anyone know if the merc part is the same...
  2. J

    Harmonic Balancer Question

    My machine shop lost my harmonic balancer and I'm trying to replace it. I bought one that looked right in the picture from NAPA for the same engine but once I got it I could see that it's not the same. I don't think it will work because the outer edge comes too far out and won't be flush with...
  3. J

    4.3L OMC engine swap time

    I've got to swap out engines. Cracked block. 1986 Starcraft 4.3L Cobra outdrive. I'm evaluating the following: Reman Long block from Rapido. Would have to look at also getting new exhaust mani's. Probably cost $2500+ This ebay engine...
  4. J

    OMC 4.3L Overheating. Read all the other threads already....

    Hi, I've got a 1986 Starcraft with a 4 barrel 4.3L OMC v6 with a cobra outdrive. Not a stringer or king cobra. Engine sound great by the way, every thing works on the boat amazingly well for age. Only now the problem is overheating. History: Bought it 2 weeks ago from guy on craigslist. First...
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