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  1. Scott06

    97 baja hammer 454

    Cant comment on pitch unless you tell us what your current prop does in terms of wot performance… that is the starting point for where to go… ive bought all my props used off ebay , resold ones that didnt work great
  2. Scott06

    Carbs spitting fuel

    If the carbs are overflowing fuel it is either from a needle and seat/ float issue or too much fuel pressure . I would get the carbs rebuilt and makes sure the fuel supply is clean of water and debris before tackling other issues liek the rotary valve. May be an issue there but would probably...
  3. Scott06

    Swap 888 outdrive with Alpha One Gen 1 outdrive?

    Then it is Most likely just the drive.
  4. Scott06

    running engine without drive on it

    Yes thats the water in nipple.
  5. Scott06

    Crank but No Start troubleshooting

    Voltage will drop some during cranking. Are your battery and ground connections clean and tight ? Is battery in good shape ?
  6. Scott06

    4.3 MerCruiser Intermittent Stalling

    Yes if you have fuel spitting out when u fill up likely vent is plugged. Next time this happens open the fill cap and see if tank is under a vacuum. If it runs better with cap open then go clear the vent
  7. Scott06

    running engine without drive on it

    No that hole is the shift cable. Looks like your gimbal ring and bellhosuing is off? There is a 5/8 hose that connects to bellhousing clamps on a right angle fitting at top above gimbal bearing can put a hose on there or go inside engine compartment and find hose coming up from drive to the heat...
  8. Scott06

    Swap 888 outdrive with Alpha One Gen 1 outdrive?

    Would pull the drive , drain lube suspect u will find metal. Coupler splines could be chewed up to. Might grab at idle but not higher throttle you would see the end of the driveshaft chewed up, looking in coupler through gimbal bearing coupler splines would be chewed too. if it is the coupler...
  9. Scott06

    Swap 888 outdrive with Alpha One Gen 1 outdrive?

    Yes a alpha one gen one is a direct bolt in swap. Just need to match the gear ratios which should be stamped on the side. Given the age of both and possibility they were regeared at some point might be worth popping the top cap and counting teeth
  10. Scott06

    Trim pump solenoid

    they really are relays especially if u hang out with engineer weenies…not sure why they get called a solenoid
  11. Scott06

    Accurate Horsepower Figures

    Sounds like a winner. The old prop must have been messed up as black max and black diamond are same prop under Mercury and Quicksilver labels respectively. if you are hitting that upper end of rpm range you are spot on. Just watch rpms when lightly loaded.
  12. Scott06

    Accurate Horsepower Figures

    You could try going up one hole for a slightly larger pump shot see if that makes any difference
  13. Scott06

    Not getting Spark on MCM170 Alpha 1

    Best to start your own post so we can get details of what's going on. your examples sounds like you aren’t getting 12 v to coil either bad ignition switch, man overboard switch is tripped , or shift interrupt is tripped . Disconnect shift interrupt at shift plate to test .
  14. Scott06

    350 Mag Mpi hard to start when warm or hot

    In the manual there will be ohm specs for coil primary and secondary sides easy to test
  15. Scott06

    3.0L MerCruiser, idle trouble.

    Would also mention checking fuel system for contamination. That carb is an aftermarket version of a mercarb so it’s second time the boat has had carb issues. Would verify fuel system contaminants are not gumming up the carb
  16. Scott06

    engine swap need to find right prop

    I think you are going to run out of available lower pitch props, so would look to get the 2.4:1 ratio drive, then play with props
  17. Scott06

    4.3 mercruiser vs vortec pistons

    Marine cam is best bet. auto head gaskets will corrode in raw water vs marine that are stainless or composite to stand up to raw water vs antifreeze.
  18. Scott06

    4.3 mercruiser vs vortec pistons

    A lot of bunk theories on marine vs automotive. Marine engines are basically a truck engine . Is the donor engine out of a car or truck. if car you will need to swap the cam . Truck cams are close enough to marine cams to work. Swap head gaskets for marine and freeze plugs for brass or...
  19. Scott06

    Bogging issue

    what line do you pull off? The fuel line ? of that is the case then you either have too much fuel pressure or a bad float or needle and seat
  20. Scott06

    Trim pump solenoid

    This has the two trim solenoids on it - https://www.marineengine.com/parts/mercruiser-sterndrive-parts/alpha-one-genii-1998-and-up/0l100040-up/hydraulic-pump-and-bracket looks like they are the same as starter solenoids
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