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  1. Scott Danforth

    Volvo Penta 4.3 GL Water In Cylinders After Running

    Block off the hoses to the manifolds and the one from the PS cooler. Pressurize to 15 psi, shut off pressure supply. Should hold pressure forever
  2. Scott Danforth

    What the heck is this engine? 1000 SC

    Keep in mind, you can buy a brand new 6.2 complete for what a valvetrain rebuild will cost you on a Mercury Racing motor....
  3. Scott Danforth

    What the heck is this engine? 1000 SC

    That boat is most likely one of the custom built Forest River brands. A few of them left the factory with racing motors
  4. Scott Danforth

    What the heck is this engine? 1000 SC

    A 1000 SC is a Mercury Racing 572 cubic inch Tall Deck motor with a blower and twin dominators If it is truly a 1000SC, that is 1000 hp. It is NOT a pleasure boat motor, it is not a motor that will ever be easy on your wallet. It is a racing motor. And as such, the valvetrain will need...
  5. Scott Danforth

    Big differences, same power?

    I don't know exactly when they would have been compliant with ICOMIA 28-83. However there would have been manufacturing changes as well when Merc took over
  6. Scott Danforth

    I did another thing, ha ha ha I can’t wait 😁

    Ammo is expensive for the .44
  7. Scott Danforth

    89 Horizon 180 with stock 4.3 upgrade questions

    I would do a vortec 4.3 with a 4 barrel. Almost 50 more hp than your 1989 2-barrel
  8. Scott Danforth

    Volvo Penta 4.3 GL Water In Cylinders After Running

    Trust no one but your own wrench turning
  9. Scott Danforth

    DPSM gimbal bearing

    There is only one gimbal bearing and it fits both Volvo and Mercruiser
  10. Scott Danforth

    can anyone id this model?

    What does the paperwork say it is
  11. Scott Danforth

    Big differences, same power?

    My guess.....88/89 were old rating system of flywheel rating. 90+ was new rating system for prop rating
  12. Scott Danforth

    Just thought I'd share a nice photo.

    Ft DeSoto
  13. Scott Danforth

    4.3 GL-D Parts Manual

    Or parts sites like vovlopantastore or marineparts
  14. Scott Danforth

    V/P Duo Prop. Would going from F5 to F6....

    Weigh the boat Check compression You should be getting 4500 RPM easy with F5swith a healthy big block Dry weight of 5200 would be wet wright close to 6400# 5200# dry weight 680# of fuel 25# of other fluids 100# of batteries 100# of anchors and lines 300+# of other gear 100# of canvas, etc
  15. Scott Danforth

    14 AWG wire in between switch and device smaller wire

    14 gauge is heavier than 16 gauge
  16. Scott Danforth

    Volvo Penta 4.3 GL Water In Cylinders After Running

    Pressure test the cooling water jacket. If it doesn't hold 15psi, you have a cracked block or heads
  17. Scott Danforth

    '83 Bayliner Capri Resto on Vancouver Island, BC

    Don't bandaid it with a plate. Do it right
  18. Scott Danforth

    Water in the intake

    Willing to bet that is your leak right there. Cracked exhaust is junk
  19. Scott Danforth

    Water in the intake

    Is that epoxy covering a crack in the 3rd picture?
  20. Scott Danforth

    Gear case

    the pinion is toast, the dog clutch is toast. with that much metal running around in the gear case, assume the bearings are toast.
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