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  1. Scott Danforth

    1992 Mercruiser 4.3 w/ balance shaft and 1 piece rear main seal swap to newer year Vortec.

    If memory serves, the felpro brand head gasket kit has two different numbers. one balance shaft 17210 , one without balance shaft 17211. I do not believe that Felpro has a vortec marine gasket based on reading I did a while back. I believe that is a GM or Mahle only gasket set for the vortec...
  2. Scott Danforth

    Shaft stuck in gimble bearing with broken u joints out drive is off

    being a 1969 with an in-line 6, the drive should be an MC-1 pull the snap ring. how long has the drive gone without the annual maintenance?
  3. Scott Danforth

    Odd Timing Issue

    if you are buying a new balancer, you most likely will not need the degree wheel, however any good wrench should have one piston stop tool usage - for me: with harmonic damper puller - pull damper use SBC crank turning socket (like this or similar)...
  4. Scott Danforth

    1996 Starcraft Islander 191v blower motor mystery

    one side is incoming air, the other side is outgoing air this is critical for initial start once the motor is started, it is a much bigger air pump than the blower could ever be
  5. Scott Danforth

    Odd Timing Issue

    you can stab a distributor in any way you want. however it only runs if you are on TDC of compression stroke of #1 and the rotor is pointing to the tower wired to the spark plug for cylinder #1 dont look at the mark on the damper to determine TDC, look at cylinder #1 to determine it...
  6. Scott Danforth

    Volvo Penta GSI crank no start not your typical crank no start

    or tach feed from the motor (grey wire) is grounded
  7. Scott Danforth

    Transom thickness

    at most there is .03" of gel, then about 1/4-3/8" fiberglass, then the transom wood, then about 3/16-1/4" of fiberglass on the inside this is within the 2.0-2.25" dimension that AD posted. agreed, on the sides where your hull bulbs out, probably mostly balsa or other core material there you...
  8. Scott Danforth

    Volvo Penta aq125a

    check if the voltage to the coil is 12 volts or 9 volts when running (should be 9) what is the dwell angle (points)? having a bad condensor would also act the same way.
  9. Scott Danforth

    Volvo Penta GSI crank no start not your typical crank no start

    I would check electrical connections for the fuel pumps per the manual also, check the MOB switch
  10. Scott Danforth

    Trim Operation Question

    the pump stops when you stop pushing the cylinders are bottomed out when you hear the pump load up
  11. Scott Danforth

    Kohler generator cooling system not working.

    basically, gravity will feed the impeller unless there is a clog between the impeller and the seacock valve
  12. Scott Danforth

    3.0 omc carb setup, wont run right

    welsh plugs are leaking or your needle/seat or float are needing attention
  13. Scott Danforth

    Kohler generator cooling system not working.

    with the impeller out of the housing and the sea **** valve open, you should have water coming in the boat.
  14. Scott Danforth

    2bl vs 4bl

    you are overly protective. Marine motors are designed to be run at WOT for hours. I know many of the engineers at Mercruiser, Ilmor, Indmar, CAT and Cummins (my contacts at Volvo and John Deer are no longer in the marine group). They are tested at WOT fully loaded for weeks same goes for your...
  15. Scott Danforth

    2bl vs 4bl

    plenty have swapped Holley Marine or Edelbrock Marine carb will need to tune it to your engine (no such thing as a carb perfectly adjusted out of the box) Volvo set up the motors so they came in ready for either 2 barrel or 4 barrel. that way they could change as needed for the application...
  16. Scott Danforth

    Need help with my 3.7l mcm 180

    just search merc 470 on google. or this site https://www.google.com/search?client=firefox-b-1-d&q=mercruiser+470+problems+site%3Aiboats.com
  17. Scott Danforth

    boat wont start

    you have not answered - what motor you have not checked compression with a gauge. not sure what you are doing with your hand. a healthy V8 is 135-150 psi on all cylinders, a tired V8 is 115-135psi on all cylinders, a motor needing rebuild is below 115 psi on any cylinder you have not properly...
  18. Scott Danforth

    Removing & Replacing bad fiber glass in my engine box?

    you will find that you have a lot of work. make sure that you build a cradle to hold the hull shape
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