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Technical Mercury 368 Turnpike Cruiser

Discussion in 'The Hokey Ass Message Board' started by 55styleliner, Feb 17, 2021.

  1. 55styleliner
    Joined: May 11, 2015
    Posts: 558

    55styleliner
    Member

    Does anyone know of a rubber rear main seal that will fit this engine? Will another Y-Block seal fit or an FE seal maybe??
     
  2. birdman1
    Joined: Dec 6, 2012
    Posts: 1,099

    birdman1
    Member

    Go buy a 312 seal and try it for fit
     
  3. birdman1
    Joined: Dec 6, 2012
    Posts: 1,099

    birdman1
    Member

    312 has the same 2 5/8" rear main diameter as the 368. Worth a try
     
  4. jimmy six
    Joined: Mar 21, 2006
    Posts: 8,381

    jimmy six
    Member

    Try a Best. Better than other manufacturers. If the original was asbestos rope style it is best to machine the crosshatch pattern on the crankshaft.
    The next best thing is a PCV system; helped my 292 Y Block a lot. It has a Best rope style..
     
    Last edited: Feb 17, 2021

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