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  1. nola mike

    2014 MPI fault codes 321 & 322

    What's your theory?
  2. nola mike

    Air Fuel Ratio Carb Tuning

    Definitely not completely useless, that's tongue in cheek. It's running "good enough". Nobody but me would spend the amount of time (>>money) on an essentially worthless boat. This carb tuning by reading tea leaves is barbaric.
  3. nola mike

    Air Fuel Ratio Carb Tuning

    I don't think I'm fully trimmed out, and I think I'm stern heavy. I have a 4 blade that I'm going to give another shot. I have a prop thread open but everyone is suggesting 3 blades.
  4. nola mike

    Air Fuel Ratio Carb Tuning

    My jetting is actually a bit fatter than stock (don't remember exactly). Plugs looked perfect when I pulled them a few weeks ago, but like you're seeing that only gives me an average. I feel a touch sluggish out of the hole and I think I should top out better than 48 mph (which is the same as my...
  5. nola mike

    Air Fuel Ratio Carb Tuning

    That's awesome. I so want to do this, maybe next season. Got some pics of the setup, and what exactly you had to buy? I'm curious as to why @Rick Stephens has such different settings for his carb than mine with a very similar engine. I'm in the same situation with more noise than power up top (I...
  6. nola mike

    Problems setting up a Quadrajet on Mercruiser 7.4 Bravo 2

    No, that's not what he meant. "Out of the water" means running on muffs, not with the outdrive raised up.
  7. nola mike

    2003 25 hp merc 2 stroke impeller replacement

    Yeah, hopefully no damage. What numbers am I looking for?
  8. nola mike

    2003 25 hp merc 2 stroke impeller replacement

    Thanks! Got it off, remembered the washer, then forgot about it 2 minutes later, somehow found it in the sand. I think I might have narrowed down the problem ;) Strange that this happened immediately after wrapping up a crab pot, can't think of anything other than coincidence... Waiting on the...
  9. nola mike

    Bellows ?

    It's quieter. Supposedly.
  10. nola mike

    Bellows ?

    That's the tube. No suggestions on which one to install, just that the tube is easier
  11. nola mike

    Stalling at headway

    8 psi is a bit high, check down your carb throat and make sure you're not dripping fuel at idle
  12. nola mike

    Bellows ?

    One is an exhaust tube the other is the bellows. The tube was originally to reduce back pressure on the bigger engines. Tube is much easier to install fwiw.
  13. nola mike

    1999 Chaparral 2130 SS problem

    No sense in wasting time trying to mess with a carb that may not be tuned right, and that will be replaced anyway.
  14. nola mike

    2003 25 hp merc 2 stroke impeller replacement

    TL;DR : how do I drop the lower unit to change the impeller? Looks like the shift shaft is holding it on. Manual says disconnect the linkage near the cable, but on my remote shift model that doesn't release anything. Long version: My boat found a crab pot. Couldn't figure out why it would stall...
  15. nola mike

    4.3 Alpha One - Gimball bearing issue

    Get that one.
  16. nola mike

    1978 5.7l pre-alpha with alpha gen 1 drive over heating

    Not necessarily, and that's what a leak down test would show. Combustion gases are under a lot higher pressure than what you'll be pressurizing the block to.
  17. nola mike

    1978 5.7l pre-alpha with alpha gen 1 drive over heating

    The rest of your compression numbers aren't so hot either
  18. nola mike

    Mercrusier 350 MAG MPI - RPM issue under a load

    Just that you wouldn't expect a reading of 0 or 5v on the TPS even if all the way open/closed
  19. nola mike

    1995 Mercruiser 454 mag EFI SKI Temperature Sender

    Serial number for the engine.
  20. nola mike

    Hole shot, Mercruiser 4.3L

    Actually just realized I made a mistake in my OP. The bigger prop was actually 23p, and I've been using a Michigan 21p. The 4 blade was a 19p. All were fixed hub. I'm waiting on a new lock washer for the 4 blade, and needed a bigger socket than my 1 1/16 for the included brass nut. I think the...
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