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  1. Scott06

    info on alpha one gen 1? water pump base..

    Yeah i love this forum but the iboats parts search leaves a lot to be desired. in my experience the oem merc water pump kits are worth the extra few bucks. I changed my gen 2 impeller this year after 6 years /300 hrs was in perfect condition. Did my neighbors a few years back ten years old...
  2. Scott06

    Searay 180 Alpha one fuel pick up fitting replacement

    The check valve is called the anti siphon valve and is a requirement to keep a fuel leak or ruptured line down stream from siphoning the fuel tank out into the bilge especially if pump or lines are lower. the pick up fitting on this page you can select a link to the parts manual for your sea...
  3. Scott06

    info on alpha one gen 1? water pump base..

    Thats why you ask guys like BT who have been doing it for years. Thats what he forum is for.
  4. Scott06

    5.7 dipstick clip bolt hole missing new engine

    Followed you completely. when I put my vortec 5.0 together 6 years ago there was no attachment to the block on the dipstick Michigan motors sent. I believe the bracket was holding Upper end of tube to cylinder head. I think I snaked mine between exh manifold and cylinder head between last two...
  5. Scott06

    Bayliner 265 (2002 vs. 2003)

    5.0 is not enough engine for that big a boat, and a 2 bbl /220 hp at that. That would tip me to the other boat
  6. Scott06

    5.7 dipstick clip bolt hole missing new engine

    I think the dipstick is now a friction fit in there with some permatex
  7. Scott06

    need to access your knowledge

    If you take a complete engine should be plug and play. This explains a little more https://www.perfprotech.com/blog/articles/3liter-upgrade
  8. Scott06

    need to access your knowledge

    Yes but 1990 is a crossover year Where rear main seal changed to one piece seal and flywheel got larger To 14” . easiest play is if you get the entire merc140. some of the heads and manifolds are different as well, what exactly are you looking at swapping. If your engine was frozen i wouldnt...
  9. Scott06

    3.0 litre Mercruiser sterndrive oil issue

    the complete oil capacity of this engine is 4 qts with the filter. Would second other comments that it may be over full now.
  10. Scott06

    info on alpha one gen 1? water pump base..

    Whats your drive serial number
  11. Scott06

    I/O Characteristics

    agreed keep our boat in a shallow cove -26” deep at lift, every time i go out i have to have it trimmed almost to the point of the prop not having enough water to bite… in 50 years three boats between my grandfather, parents, and i changed one set of ujoints, keep it below 1 k and youre fine
  12. Scott06

    3.0 litre Mercruiser sterndrive oil issue

    Yeah take some pics. Agree with guys on corroded or poorly installed filter but that is on front left of a 3.0…remote filter would be in same spot. power steering hoses go back there but wouldn’t affect oil pressure on engine. Hoepfully u shut it down soon enough to not damage engine . I assume...
  13. Scott06

    I/O Characteristics

    There is enough scale rust and crud in a used raw water cooled engine such that if you add a closed cooling system with a heat exchanger you will repeatedly plug the tubes in the heat exchanger and it won't cool. So basic rule of thumb is once a raw water cooled engine always a raw water cooled...
  14. Scott06

    New Engine Replacement - Engine Died and Hydro locked after 5 hrs!?

    water spray looks like something that would come off a depth finder transducer added to transom or maybe something off the swim platform added
  15. Scott06

    Mercruiser 4.3 keeps burning ignition coil

    Ok then likely you need to replace lower shift cable. I don't think the 11 volts running is right you are loosing voltage somewhere, would think at some point this may become an issue
  16. Scott06

    Happiest Day of Ownership !!!

    I think yes the AF is related to the type of alcohol in it. In my personal experience it is just fine for what you are doing. I use the cheap Walmart stuff for my jetski and boats for years no issues. My tow vehicle is outmatched as well, but like you it is short distance and just use your...
  17. Scott06

    Alpha Gen 2 Trim Bushings are outrageous!

    Not sure what you want hear on this. The OEM are like $82 for eight so the aftermarket is a better bargain. Yes it seems like a rip off for what it is, but if $58 bothers you, you may want to find a different hobby
  18. Scott06

    3.0 litre Mercruiser sterndrive oil issue

    Was it low or empty - if completely empty I would think the engine would sound like a coffee can with rocks in it. How much oil is in bilge ? You will have to get under or behind the engine and take some pics- depending where the oil is from it could be a few things - where dipstick goes in...
  19. Scott06

    Mercruiser 4.3 keeps burning ignition coil

    I would try the following when it happens- measure for 12v at Positive side of coil- you may have loose or corroded wiring if only getting 10.9 volts - check the cannon plug between engine and boat harness. somewhere you are loosing volts. Basically the ignition system gets power to the dash...
  20. Scott06

    mercruiser 7.4 mpi can't figure out the ratio

    I think normally the spark plugs look really clean as the water cleans the carbon off it. One common way water can get in and hang up valves is via the exhaust manifolds and risers. need to find reason for low compression.
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