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  1. Scott Danforth

    1989 Flat tappet 5.7 convert to roller?

    Marine motors were not roller motors until 1996. Just like the truck motors Only the Corvette got the roller cams in 1986.
  2. Scott Danforth

    Need advice choosing an engine.

    The 1991 and later motors are 1- piece RMS motors. These are the Gen V motor like the OP has, and the following Gen VI motors which are better. At 1400 hours there is no need to replace the motor. Swapping heads from the peanut ports to 188's would bump HP. Rectangular port heads are needed...
  3. Scott Danforth

    1996 Mercury Mariner Magnum 3…on a 19ft bass boat

    What maintenance of the hotfoot was done? What maintenance of the motor was done?
  4. Scott Danforth

    1996 Mercury Mariner Magnum 3…on a 19ft bass boat

    post a picture of the gas pedal
  5. Scott Danforth

    4.3 won’t start

    you need to check voltages at the fuese, the FPR, as well as the pump
  6. Scott Danforth

    4.3 won’t start

    use a test light or DVM to check voltages hot wire the fuel pump to see if that still runs
  7. Scott Danforth

    NLA Mercruiser Parts

    I would probably have a custom set machined or use the aftermarket BBC fuel rails for the 4.84" bore spacing
  8. Scott Danforth

    Water in my lenses

    Here is how most lights draw in water. you are backing up to the ramp. the brake lights are on. the housing is getting warm. you dunk the trailer in cold water. the change in pressure internally from the drastic temperature plunge to the light housing will draw in water thru seals, etc...
  9. Scott Danforth

    NOCO LifeP04 in lawn mower

    the hickup when the E-PTO coil pulls in is enough to cause the backfire. Briggs do this more than Kaw's do
  10. Scott Danforth

    Smoking Engine and Mercruiser ignition switch question

    or the OP is talking about the circulation pump, which does have a brass impeller and a stainless backing plate
  11. Scott Danforth

    2005 3.0l Mercruiser

    Pull the drive, pull the rear mounts if you have room. You will need to realign the motor
  12. Scott Danforth

    Painting the bottom of a yacht

    Yes, you need to correct the gel coat prior to the barrier coat and the AF. Usually gel putty in the gouges, then a layer or two as mentioned
  13. Scott Danforth

    brand new here please excuse..have a 350 chevy inboard on a 1968 tolly craft that was givin to me,dad winterized and covered it up 2003.

    If the boat has sat for 21 years. You have a lot of work prior to any splash. Your fuel system will need to be completely pulled apart and cleaned . The tank will need cleaning, the carb will need to be rebuilt Your ignition system will need to be serviced Your drive will need to be pulled...
  14. Scott Danforth

    Corner caps for 1993 Sylvan Pro Fisherman 16'

    See your local aluminum fabrication shop and have them made
  15. Scott Danforth

    New to me 1988 INVADER

    Service manual for the boat never existed Use the model number of your motor when getting a service manual from outboardbooks.com Yes, you can post your serial number
  16. Scott Danforth

    NOCO LifeP04 in lawn mower

    The charge circuit on lawn equipment is just a step above a plastic rod and a pair of silk panties. No where near good enough for LiFeP04
  17. Scott Danforth

    Battery charger recommendation for winter

    I use a NOCO 3-bank charger for the boat. works fine.
  18. Scott Danforth

    3.0 engine removal

    When I pulled the 3 liter out of my Avanti. I pulled the trailer tires, and put down two 2x4's on the floor to run the trailer hubs on the 2x4's vs the painted concrete. i used a standard height engine hoist. I did have to raise the bow about another foot to get the motor over the transom
  19. Scott Danforth

    Old motors DEMAND to be retired when they are 65 years old..

    or when the bearing, case and crank become one thru spinwelding
  20. Scott Danforth

    Smoking Engine and Mercruiser ignition switch question

    your trying to pull antifreeze thru the motor with one of the block-busting kits? unless you get the antifreeze hotter than boiling. it wont work. the thermostat will slam shut. that is how they work. read this. https://forums.iboats.com/threads/winterizing-inboard-and-i-o.770207/
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