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  1. C

    Mercruiser 165 inline 6 timing marks - reverse rotation engine?

    I may be a pain in the ass to turn the motor with a socket and ratchet (many 250 CIDs don‘t have a crank bolt on the harmonic balancer. But it’s super easy to figure it out. Pull the valve cover, and turn the motor in the direction that has the exhaust valve closing just as the intake valve...
  2. C

    Are we in trouble?

    The one thing that wasn’t mentioned in this discussion is that sometimes old (10 years in this case) low hour motors can have pitting and corrosion in the bores from sitting around with condensation in them. I’ve seen lots of low hour motors that never froze that have messed up bores; pitting...
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