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  1. Scott06

    4.3L horsepower

    with a 2 bbl carb the 4.3 is rate at 190 HP at the prop, MPI s are 220 hp. As AD lays out see what is on there now or have it repaired get WOT rpm readings before tweaking pitch. if the boat is new to you spend some time seeing how it performs before trying different designs and pitches
  2. Scott06

    4.3L horsepower

    your 2004 with a 2 bbl carb is 190 hp at the prop, the MPI was 220 hp
  3. Scott06

    Gimbal bearing puller

    Ok Thanks I'll make sure to be prepared to drill holes in the channel for the studs when I get back up where my boat is.
  4. Scott06

    Gimbal bearing puller

    I was gonna use a 2" wide channel iron I had laying around , was assuming it would fit between the studs but wasnt 100% sure
  5. Scott06

    Gimbal bearing puller

    Does anyone have a dimension dwg of the stud pattern in the bellhousing? I bought the swiveling bearing removal tool plus some 5/8" fine threaded rod, making the steel to go across the bell housing.... boat is 5 hr drive away and I just stocked up on outdrive gaskets was hoping to avoid buying...
  6. Scott06

    Upper and Lower Drain Plug Merc Sterndrive Alpha 1 Gen 1 Question

    No running on the muffs will not show if any of the oil seals are leaking water into the gear case. Only way to tell is to take drive off , drain, and pressure test. There is a ton of info in the stickies and threads here on how to build a pressure tester and run the test.
  7. Scott06

    Another Winterization Thread!

    Depending on the exact set up it may be self draining. My merc drains with out any issue, but some of them have a trap in the cooling hose
  8. Scott06

    lower unit

    Yes if you have two RH props then no counter rotation. You should be good to go with the spare lower you have.
  9. Scott06

    Upper and Lower Drain Plug Merc Sterndrive Alpha 1 Gen 1 Question

    Can always flush with kerosene or diesel pressure test it don’t just assume it was the missing washer
  10. Scott06

    Gimbal bearing came out with the drive shaft

    It’s rusted to the driveshaft not loose in gimbal housing. Typical of boat that have had water in bellows and sat
  11. Scott06

    lower unit

    being duals is one counter rotation? I could be confusing things for you, but not sure on an alpha if the counter rotation is done in the lower. Edit - SEI makes a separate lower for CR -https://www.sterndrive.cc/product/Fits-Mercruiser-Gen-I-Lower-C-R-8951A33.html So if the cracked lower is...
  12. Scott06

    Upper and Lower Drain Plug Merc Sterndrive Alpha 1 Gen 1 Question

    Yes each one takes a gasket they sometimes can stick in the housing. I think the OEM merc ones are yellow now but they used to be blue fiber paper ones back in the day. without a gasket you will get water in the gear oil
  13. Scott06

    Changed Gear Oil, Does this look right?

    The old lube looks like different lube maybe merc premium lube while is yellow brown vs the blue green of the high performance lube?
  14. Scott06

    3.0 L mercruiser issue

    Probably have multiple things going on. When it dies and will not restart does it have spark? Check with inexpensive spark gap tester. Fuel tank vent could be plugged, fuel system is definitely contaminated likely tank lines and carb need to be cleaned, but I would think that would not allow...
  15. Scott06

    What oil should I use?

    Exactly my similar vintage 3.0 had same cap on valve cover but merc documentation recommended straight 30 w or 40 w depending on ambient temps
  16. Scott06

    5.0 oil weight and amount

    Would not think so unless you have a very odd situation with stringers
  17. Scott06

    2012 seadoo rxp 260 only goes 30mph

    Do the supercharger rebuild by the hours , my neighbors friend has same ski asked him about it if he had rebuilt the supercharger he said no seemed fine … he is now replacing his engine .., Defiantly would look if you are missing spark on a cylinder and replace the plugs Have found a cheap...
  18. Scott06

    Got a new toy to test out eventually...

    I got best results with a revolution 4 vs a Enertia. Enertia is a very good prop but might not be best for every application. Would think even with bottom of the V is in a good spot
  19. Scott06

    Got a new toy to test out eventually...

    you can trim the annode with a grinder or get the flat one. Very common for props to hit them other than basic Black Max Al ones
  20. Scott06

    Does the antifreeze you use really matter?

    You are not wrong there are only 2 drain plugs on the 4 cylinder. IF you have power steering you may need to pop a hose off the PS cooler if it traps water. I'm not far south of you in upstate NY and do as mentioned - drain fully, I use about a gallon to splash back into the hoses to chase any...
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