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  1. Scott Danforth

    Prop Size for performance

    or go to the prop forum and answer the 6 questions in the sticky.
  2. Scott Danforth

    Arro, lower unit issues

    its an eska motor with an Arro label. look for the eska breakdowns. plenty of them out there.
  3. Scott Danforth

    OMC 140 3.0l drive compatibility

    remember, you will need everything. not just the engine and drive, however the mounts, exhaust, steering, harness, gauges, controls, control cables if you want to transplant into your boat, get the whole boat the motor and drive is in. you will need it. you will then dispose of what remains.
  4. Scott Danforth

    Fuel delivery

    there is a relay for each pump. see the schematic in post #9
  5. Scott Danforth

    1992 four winns OMC

    However unlike a car, your boat can sink
  6. Scott Danforth

    Mercruiser 4.3LH backfiring & weird timing

    Looks like there is a witness mark on the exhaust valve in the last pic
  7. Scott Danforth

    1992 four winns OMC

    With a new to you boat, you have to do all the maintenance that the prior owner never did Pull the drive, check alignment, gimbal and u-joints. Do a bellows job. Check stringers and transom for rot
  8. Scott Danforth

    1992 four winns OMC

    Have you done a bellows job?
  9. Scott Danforth

    1992 four winns OMC

    See if the water is coming in around the transom shield
  10. Scott Danforth

    2002 5.0 GXI Cooling System Service

    Pull the block plugs and flush
  11. Scott Danforth

    1988 thompson 240 color match

    Would be cool ... However it's vaporware.... Like a politician that tells the truth. Just ain't gonna happen Gel starts to fade after 6 months. Yes, 6 months After 36 years, you are looking at either respraying the whole hull with gel, or respraying the whole hull with paint.
  12. Scott Danforth

    OMC 140 3.0l drive compatibility

    Being a 1979, you need a 1978-1980 stringer drive. The 1977 and older are different, the 1981-1985 are different And no, the only thing common between an OMC Stringer 400/3.0 and a Mercruiser alpha 1 /3.0 would be the block, head, and rotating assembly. Everything else bolted to the motor...
  13. Scott Danforth

    Leak post rock hit

    Being a 1989, you may find the transom is rotten and the rock hit just mashed in the rotten wood and the transom thickness is no longer sufficient to keep the gasket compressed
  14. Scott Danforth

    1992 four winns OMC

    First thoughts are not good....post pics
  15. Scott Danforth

    . . . and I Thought Hi-tech Boat Engines Were Bad . . .

    And just like that....GM may be reading this thread https://gmauthority.com/blog/2023/08/gm-cutting-200-engineering-positions-to-reduce-costs-and-complexity/amp/
  16. Scott Danforth

    496 HO Failure

    Gen VI and VII BBC's will spit rod bearings for #3&4 if you run them low on oil
  17. Scott Danforth

    Top

    that is a camper canvas. see your local marine upholstery and canvas shop. they can make one that will guarantee to fit.
  18. Scott Danforth

    Star Tron added to Jetski's now they will not start

    there is no mechanic in a can. I would drain the tanks and run the fuel in your car. then service the fuel system on your wave runner.
  19. Scott Danforth

    350Magmpi

    Once you pull the fuel filter, you contaminated the clean side
  20. Scott Danforth

    New boat with merc 5.7

    If you got a flame, you have spark How long did the boat sit? Carb or EFI?
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