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  1. R

    retrofit flappers?

    I have 1 1975 crestiner i/o 5.0L Mercruiser. I bought it used and discovered I don't have the exhaust flappers, I have hydro locked (due to deiseling which is fixed now) so a bit paranoid that it will happen again. My type of exhaust has the flappers at the bottom right before the two sides...
  2. R

    starter all of sudden doesn't sync

    I have a circa 1999 5.0L in 1976 crestline 19ft open bow. I put a new starter in it a month ago and it has been working great. last weekend I replaced the bellows (should be unrelated but just in case). Went out to the lake, started great, drove a mile turned it off and when I went to start it...
  3. R

    Closed carb mixture screws and 5.0L still runs

    Bought the project boat with a rebuilt engine to install so not a lot of history on it. It's a 5.0L +/- 1999 vintage in 1976 crestline, has rochester 2BBl carb and an aftermarket electric fuel pump. Engine runs good but consumes a lot of gas - pulling kids on tubes, turning off when changing...
  4. R

    Flywheel clearance

    I'm swapping out a 1975 5.7L with a 1998 5.0L (came with boat project) the 5.0L has 168tooth 14"? flywheel. Its install and seems like clearance between the outer edge of the flywheel and bellhousing is maybe 1/8 of inch and by a corner at the starter it might be tighter. Do I need a different...
  5. R

    5.7 to 5.0 can I use the 5.7L flywheel

    New to boats but bought a project that came with a rebuilt engine. My 1975 SeaRay had 5.7L v8 that has a cracked block and the seller had purchased a rebuilt 5.0L to switch into it circa 1999. A few things have nto switch over like the mechanical fuel pump. The rebuilt 5.0L came with a new...
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