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  1. nola mike

    Preignition knock under a load 2000 Thunderbolt 5

    I'd be curious about what the timing does when it starts to knock
  2. nola mike

    Repowering 97 crownline. Best options?

    You: Also you: Yes. See your first post.🤣
  3. nola mike

    Help with charging system?

    @achris, There was a reply in my email, but nowhere to be found here...
  4. nola mike

    Help with charging system?

    I didn't do that, but like I said I did test voltage drop on everything and it was fine. I'm getting good voltage at the sense wire and ok at the excite (though apparently that isn't even needed). The rest of the electric system is fine. I guess we'll see when the new alt comes . Boo. I've used...
  5. nola mike

    Capacity sticker

    https://www.wellcraft.com/us/contact
  6. nola mike

    Repowering 97 crownline. Best options?

    Usually the more straight forward, the less cost effective and vice versa. Most cost effective would be to get a similar vintage 5.7 from the junkyard and swap your components over. Straightforward would be to buy a complete drop in replacement. In between would be various trims of reman...
  7. nola mike

    Help with charging system?

    Well, more weirdness today. Charged the battery overnight, and forgot to reconnect the sense and excite wires prior to starting. But hey, guess what? Alt immediately showed 14.9v at the helm at idle. So I reconnected both wires. No charging. Reconnected just excite wire. Charging. Just sense...
  8. nola mike

    Before I redrill the front mounts...

    The motor won't be off that far laterally unless something is very wrong. You could have collapsed rear mount(s), which could alter the lateral alignment. Bigger concern would be rot somewhere. This boat seems like it was super abused. I would make damn sure that the transom, rear stringers, and...
  9. nola mike

    Help with charging system?

    I am seeing 12v at the output post with the engine off.
  10. nola mike

    Help with charging system?

    I figured if I still had a high voltage then I could rule out the alternator as the culprit--as it is it seems I have a runaway alternator. Are you saying just connect a new wire from the output terminal directly to the battery? I thought about that, but am a bit nervous about bypassing the 90a...
  11. nola mike

    Just curious

    You might find out where all of your weak seals and gaskets are.
  12. nola mike

    Help with charging system?

    Yes. And I'm for sure getting 24v at the output terminal when running. Measured with 2 multimeters and using different ground points. But not at the battery. I agree, this doesn't make a damn bit of sense for a few reasons. I wonder if I should disconnect the orange wire and just measure from...
  13. nola mike

    Help with charging system?

    Just tested across the fuse, I have continuity. This doesn't make sense. Also forgot to mention that I did some voltage drop testing. The grounds are fine. With ignition off I'm not losing anything between the battery pos and alt orange. I'm losing a bit on the purple wire, but that's been a...
  14. nola mike

    Help with charging system?

    The black and red wires are pig tailed off the alternator 24 volts from B+, 24v at far side of fuse (starter end of orange wire), battery voltage at the red wires going to the front end of the fuse with engine running. Battery voltage everywhere with the engine off. My new alt looks the same...
  15. nola mike

    Help with charging system?

    This has persisted through 2 alternators. The one I just installed worked fine when last used. So there was a bit of corrosion inside the female ends of both harness leads. I'm going to clean them off better now that I got the boat off a (bouncy) mooring. The thing that I don't understand is why...
  16. nola mike

    Help with charging system?

    Had some fluctuating voltages last year after installing the new engine. Didn't stay very long, but would overcharge for maybe 30 sec, then undercharge. Took the boat out for the first time this season, and on the way out my voltage spiked to 18v for a minute before settling to 14.2. after a...
  17. nola mike

    1984 470 initial carb set up to get idle

    Put the motor at tdc on the compression stroke and align the rotor with the #1 plug wire. That will be close enough to start.
  18. nola mike

    470 4 barrel conversion, one cylinder missing

    Interesting. The later models appear to be different. The 3.7 and 3.7lx spec the same parts. From manual 8:
  19. nola mike

    Shift cable adjustment stud

    The sigs don't show up on a phone unless in landscape...
  20. nola mike

    1984 470 initial carb set up to get idle

    No. You need to increase your throttle while in neutral. Depending on your control that involves pushing a button in at the base of the handle and advancing it or pulling the handle out before advancing it. You'll never get it started otherwise.
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