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  1. nola mike

    Mercruiser 5.0 replacement

    Might want to check out this thread: https://forums.iboats.com/threads/1997-5-7l-thunderbolt-ignition-slow-crank.781700/
  2. nola mike

    Advice on Buying a Jon Boat

    Agree with this. You can probably get on plane with just you, maybe one more with that 15. If out "with the family" just expect to be puttering around. Definitely water test with people on board to make sure it runs ok and can perform like you want/expect.
  3. nola mike

    Artificial Intelligence

    ok, so real world testing incoming...this is a lot of text, but whatever. My 25 hp merc died suddenly (again). 2 years ago had similar symptoms, turned out to be the stator. Information provided to chatgpt: 1. Weak spark to both cylinders, unable to jump gap on tester 2. DVA voltage on both...
  4. nola mike

    1997 5.7L thunderbolt ignition. Slow crank

    Didn't compare all the specs, but have dealt with MM a few times for tech advice and buying other parts--these guys know their stuff and have great customer service. If everything was close in terms of price, I wouldn't hesitate going with them.
  5. nola mike

    3.0L comparability

    I can't remember offhand the details about input shaft length and older inline MC-1s, but that might come into play at some point...
  6. nola mike

    Constant drain of 1 of 2 batteries

    Yeah that's why I said "regular", would have to be a relay trigger with the relay near the batteries, which is what it sounds like. A stuck closed relay might do strange things
  7. nola mike

    Artificial Intelligence

    Oh dear. https://www.cnn.com/2026/07/22/tech/openai-hugging-face-ai-cybersecurity
  8. nola mike

    1997 5.7L thunderbolt ignition. Slow crank

    Personally think that if you're going used (rolling the dice) you'd be better off with a truck engine. Even abused, the block has an easier life than a marine engine.
  9. nola mike

    1997 5.7L thunderbolt ignition. Slow crank

    I'll say I wish i didn't install a relay on mine and just wired it like OEM. Many connections have given me trouble, although my boat is...special.
  10. nola mike

    Constant drain of 1 of 2 batteries

    Can't be a regular battery switch, it would take too much high current wiring
  11. nola mike

    1997 5.7L thunderbolt ignition. Slow crank

    As mentioned you didn't need to mess with a cam. You need a marine fuel pump. Then yes just switch your stuff over. Wiring will be a straight swap as well. Vortec isn't any harder since you'll be pulling heads and manis anyway.
  12. nola mike

    Constant drain of 1 of 2 batteries

    So no connection between the batteries? What's a parallel switch? And stbd is the draining battery? Seems like an odd setup.
  13. nola mike

    1997 5.7L thunderbolt ignition. Slow crank

    Wow, was looking over at michiganmotorz... things have become crazy expensive! 1. I personally wouldn't sweat getting a higher mileage engine. My 4.3 had at least 200k when I pulled it 5 years ago ($180). If the compression is good, you're set for a while at least. This would at least give you...
  14. nola mike

    1997 5.7L thunderbolt ignition. Slow crank

    Oh, I misunderstood you. Thought you meant that if he went vortec would need an electric pump. Yeah, my 2001 4.3 doesn't have a port either. What would drive the pump? Assuming the cams changed...
  15. nola mike

    1997 5.7L thunderbolt ignition. Slow crank

    Why wouldn't the mechanical work?
  16. nola mike

    [SPLASHED] I/O (Sterndrive) Conversion to Outboards

    Wow, looks great! Any other calculations/assumptions off so far?
  17. nola mike

    Artificial Intelligence

    IDK. All over the facebook groups as well posting questions...
  18. nola mike

    Exhaust bellow slipped off

    You can. Got one.
  19. nola mike

    Artificial Intelligence

    Interesting. Thought there were AI responses and bad information, but didn't think it was a bot.
  20. nola mike

    Constant drain of 1 of 2 batteries

    Ok, so no switch. You have the 2 batteries wired in parallel, with no separate house/boat batteries, but only 1 is draining? That doesn't make sense. Or do you have 2 completely separate systems for house/boat and only 1 is draining? Assuming scenario #2. Disconnect the neg (how many wires?)...
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