Upgraded 5.0 to 5.8? Question

Discussion in 'Powerboats' started by sun215, May 1, 2011.

  1. sun215
    Joined: May 2011
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    Location: mi

    sun215 New Member

    starting with a 1988 Four Winns 215 5.0 cobra cracked motor......................WILL A 5.8L (1990) cobra fit? .........(i found this motor first when looking for replacements) will the motor mount's be the same ? does anyone know what kind of problems I might run across with this idea?
     
  2. sun215
    Joined: May 2011
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    Location: mi

    sun215 New Member

    this is a better question than the guy with the van.
     
  3. sun215
    Joined: May 2011
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    sun215 New Member

    please help
     
  4. powerabout
    Joined: Nov 2007
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    powerabout Senior Member

    mounts same and..
    block is taller so after you bolt on your exhaust manifolds it will be wider
     
  5. sun215
    Joined: May 2011
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    Location: mi

    sun215 New Member

    Thank You

    THANK YOU , I've done alot of searching to find a motor. I looked at some 5.7L because i want to go a little bigger than the 5.0L it came with and than POOF A 5.8L SHOWS UP,


    THANK you AGAIN
     

  6. IMP-ish
    Joined: Jan 2011
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    Location: united states of america

    IMP-ish powerboater

    Not an OMC guy, but had a boat for years where previous owner had swapped a 351 in place of the old 302 - still had old valve covers stamped 302 and exhaust manifolds (with rubber to stainless s curves to thru-hulls) and lots else from the 302.
     
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