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  1. Scott Danforth

    1988 Mercruiser 5.7 timing issue.

    what is your timing at 3000 RPM. should be 20 + base timing or 22 + base timing or 24+ base timing (depending on which module) if that is working, then its simply fuel related. or more importanly..... Lack of fuel. test the fuel pressure.
  2. Scott Danforth

    Replacement of water circulation pump V6 4.3L

    would have to know a lot more. specifically which 4.3 liter generation block (there are over 9 different block generations and about 25 different casting numbers) and which pump you have. with bypass, without bypass, short or long However being in Italy, get the Sierra that cross-references...
  3. Scott Danforth

    Pontoon boat for 25hp Merc, 2 Stroke

    Buddy has a 18' pontoon, 35hp motor. moves same as it did with a 25hp 30 years ago. all of 14-15mph.... on a 7 mile long lake, would take 30 minutes to get to the other end. you may want to check your math there. to do 7 miles in 1.5 hrs is needing to be running 4.67mph to do it in 1 hour...
  4. Scott Danforth

    Fuel dumping in 5.0 cobra 1994 mechanical pump, not electric.

    uuuhhh.... most marine ignition systems stock run more than 40KV. no need to change spark plug gap
  5. Scott Danforth

    Can my old boat handle the power

    What is the boat rated for,?
  6. Scott Danforth

    Volvo Penta 5.0 EFI Ford (1995) Hard to Start When Warm

    I would have recommended cleaning. Hope you didn't buy eBay or Amazon injectors
  7. Scott Danforth

    1989 Imperial

    They start like a 1960 truck But without a fast-idle cam So if on the trailer, have the muffs in and the hose on full Press the throttle only button, pump twice. Then with the throttle about 1/4 way and turn the key. Once it fires, back off the throttle to about 1000 RPM. After a few...
  8. Scott Danforth

    Astroglass 1989 full rebuild

    Looking good Micky
  9. Scott Danforth

    Broken Skeg Tip...Repairable?

    FWIW, the last skeg on a boat I paid to have welded was about $50..... About 20 years ago. Took the marina the same time lunch took next door I did bribe one of the welders 5 years ago with some beer to weld up the skeg on a lower unit not mounted
  10. Scott Danforth

    Grounding studs on bell housing

    Use 150 grit to get to shiny metal to get a good ground
  11. Scott Danforth

    Steering Gearing - Two Engine steering on a solar cell driven Catamaran.

    normal? depends if its hydraulic steering or hydraulic assist, or pure mechanical.
  12. Scott Danforth

    Grounding studs on bell housing

    I would simply rattle can some paint over the connection when you are done or rattle can some marine electrical varnish over the connection.
  13. Scott Danforth

    Renovating the deck floor top layer

    paint will come off with normal wear and tear.
  14. Scott Danforth

    Astroglass 1989 full rebuild

    KC, more like this
  15. Scott Danforth

    1986 Chris Craft gas gauge or sender issue?

    could be any of the above. start at the gauge, read the ohms, check the connection, ohm out the wire, clean the connections at both ends of the wire, etc.
  16. Scott Danforth

    Replacement of water circulation pump V6 4.3L

    The correct pump is a marine pump. just like GM supplied to mercruiser. Not an automotive pump. automotive pumps use steel impellers, and have a steel back plate. marine pumps have bronze impellers, and a stainless back plate. Sierra is fine. GM (Marine not automotive) is OEM, Mercruiser...
  17. Scott Danforth

    Popped through the intake.

    check your fuel water filter for moisture. a batch of water will hit a cylinder and not fire. that cylinder will make a shudder.
  18. Scott Danforth

    Replacement of water circulation pump V6 4.3L

    If you want true OEM. GM used AC Delco and Mahle pumps on the motors they sold to Mercruiser
  19. Scott Danforth

    Astroglass 1989 full rebuild

    No pics means it didn't happen
  20. Scott Danforth

    Caliber Bunk Wraps

    If you never launch the boat, maybe. Fist launch, you have t is nice sack holding water in the wood that never dries
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