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  1. Scott Danforth

    Parts interchange between chevy smallblock family and mercruiser 140 3.0 liter

    Your 74 and 87 blocks share nothing with an SBC other than the flywheel housing pattern Your 3 liter motors are stroked and bored variants if the 2.5 liter / 153 cubic inch motors which was the 4 cylinder variant of the 230 cubic inch 6 cylinder (1962 to 1980) Not until the 1991 and later...
  2. Scott Danforth

    Please help I am stumped ! Engine surging high rpm

    If a fuel pump on a truck leaks fuel vapors, they drop and are dissipated. If a fuel pump on a boat leaks fuel, it sits in the bilge. And if that fuel pump isnt SAE J1171 compliant, you meet god
  3. Scott Danforth

    Volvo 5.7gxi-a

    Yes, you would also need a different starter Your flywheel wont fit the PDS housing
  4. Scott Danforth

    Mercury Alpha One Gen II Upper Gear repair

    Same boat as your 454? You know that the alpha drive doesnt survive behind a BBC, right
  5. Scott Danforth

    Keel Guard Question

    Yes above the waterline I ran mine up to the scuff shield they provide for around the bow eye I ran an 8 foot on my 19 footer so I could beach it
  6. Scott Danforth

    Please help I am stumped ! Engine surging high rpm

    But is it SAE 1171 compliant
  7. Scott Danforth

    Mercury Alpha One Gen II Upper Gear repair

    You need the factory tools, the factory manual and the knowledge from factory training. Can you do it at home, depends on your training and shop setup
  8. Scott Danforth

    Please help I am stumped ! Engine surging high rpm

    Check compression measure fuel pressure when under load, not just at idle. Not sure that fuel pump is marine rated
  9. Scott Danforth

    Volvo 5.7gxi-a

    That is an AQ series drive (at least it looks like it in the thumb nail from my phone, the pics are not loading on vacation) The SX drive gets sold for parts, so does the coupler from behind the motor and probably the flywheel if its a 168 tooth The AQ series drive on the boat and the PDS gets...
  10. Scott Danforth

    Please help I am stumped ! Engine surging high rpm

    A mechanical fuel pump is $45 and is going to last decades, where an electric fuel pump will cost you $85 and requires $15 worth of relay, oil switch and wiring to be compliant and lasts about 5-7 years You want to modernize, thats fine, but be smart about it. Electric fuel pumps should be...
  11. Scott Danforth

    Please help I am stumped ! Engine surging high rpm

    Why not just get a new mechanical fuel pump?
  12. Scott Danforth

    No power to coil

    Do you still have the points distributor? If so, did you service the points?
  13. Scott Danforth

    ENGINE NOT STARTING...KICKING MY BUT

    If its 2 wires, most likely it failed and you need a new ICM.
  14. Scott Danforth

    Engine alarm won’t stop

    Your serial number tag is in the side of the block just above the starter Use a mechanical gauge to check oil pressure Us an IR thermometer to verify temp
  15. Scott Danforth

    ENGINE NOT STARTING...KICKING MY BUT

    You pull the dizzy cap, then pull the rotor and look
  16. Scott Danforth

    natant 24

    Your asking about a 42+ year old boat. Its capabilities today would be dependent on its care and maintenance since the boat was new
  17. Scott Danforth

    Power steering pump for a Volvo 3.0 I/O on a Four Winns H170

    Thru volvo, about $700 However just the saginaw pump (without reservoir) is $45 from places like napa. Rebuild kit is $14 However most likely not your pump
  18. Scott Danforth

    ENGINE NOT STARTING...KICKING MY BUT

    Do you have the original 2 wire ignition module or the updated 3 wire?
  19. Scott Danforth

    Outboard Lock Recommendations?

    get insurance, get a night-vision camera to capture anything, and just go boating. you cant stop evil, you can only be prepared for it. when I was much younger, watched a guy at the marina back up to a boat and drive off didnt think anything about it, because the guy looked like anyone...
  20. Scott Danforth

    1994 Merc 5.0 2brl Carb issue when off

    your engine should be mechanical fuel pump yet. did someone convert it to electric? 7 psi seams a bit high
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