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  1. nola mike

    4.3L Merc 2bbl w/ thunderbolt IV ignition. Still wont start.

    I can't tell how you actually have things connected. Here's the wiring diagram (maybe. We don't know what you're working on)
  2. nola mike

    20 foot 1997 Maxum 2050 bowrider propeller question

    I think you're thinking is in auto applications. You have different gearing to stay in the best rpm range at any given speed, and importantly under different loads. Boat is always under load (no real part throttle or downhill/throttle off conditions). So at a given speed in a boat, a lower rpm...
  3. nola mike

    Boat lift options?

    Alright, so we're live! I discovered that a lot of my parts (specifically that reversing relay) are all over the place for atv winches. The problem with most of the things I looked at was that there wasn't an easy way to reverse the polarity to the motors. It would have required multiple relays...
  4. nola mike

    Draining The Oil On My 470?

    Need a better pic. You can put a tube inside of the dipstick as well, but that's slow going
  5. nola mike

    Newbie owner looking for boat specific details

    Glad you're ok. Please get vaccinated people. You won't end up in the hospital.
  6. nola mike

    1968 mercruiser boat

    "Spark" doesn't come to the coil, the coil creates the high voltage and sends it on its merry way to the rotor and distributor cap, then to the plugs, where it turns into spark...
  7. nola mike

    4.3 fuel problem?

    What carb do you have? Your ops has 3 terminals. 1 gets 12v when cranking, 2nd is always hot when ignition is on. 3rd has 12v out to fuel pump, which is present when cranking (from 1st terminal) and when op is high enough to close the switch and send the 12v from the ignition. The pump doesn't...
  8. nola mike

    Shift shaft bushings

    No play in my lower shift bushing...gen 1
  9. nola mike

    Forgot plug, part of the club now

    Pulled the drive, no water in there (until it started to pour :rolleyes:. After the other thread about the bell housing nuts, I managed to strip one of the nuts when torquing it. Strange. But ready for more boating!
  10. nola mike

    Forgot plug, part of the club now

    Forgot to put in the drain plug for the first time ever the other day. Yay. Realized it after driving the truck about 300ft. Tried to frantically back up before jumping out and running. Boat was beached, shocking how much water was in there (bilge switch was off while out of the water). Ended up...
  11. nola mike

    Help me be the hero :-), Mercury 4.3 – no spark

    Ratchet/sockets, spark plug socket, a few box wrenches, spare spark plugs, clear bag/jug (to check fuel), gorilla tape
  12. nola mike

    Shift shaft bushings

    I'm about to pull my drive, I'll check mine. Though my lower is original...
  13. nola mike

    Mercarb 2 barrel TKS jet sizes?

    It's not like a secret handshake that nobody tells you about. If pumping the throttle twice is the hardest part of my day, that's a pretty good day.
  14. nola mike

    Stumped

    A pic would help
  15. nola mike

    Mercruiser 470

    Not on an 89
  16. nola mike

    Mercruiser 160/165 cracked block

    Yeah, epoxy or 5200 Yes, plus your stringers as well probably. Unless you're a masochist, you dump the boat at that point and pay for one that floats and runs. What was wrong with the boat you pulled the engine from?
  17. nola mike

    Mercruiser 160/165 cracked block

    The issue is that when the transom rots it flexes, allowing water around that seal. You need to drill into your transom to check its condition. Basically take a ¼ drill bit and drill in an inch or so in multiple places, particularly down low and around the transom cut out. See if you get wood...
  18. nola mike

    470 3.7L Misfire

    So originally it was just 1 cylinder, but really you're having limited fuel in 2 cylinders. I'll change my answer and say carb could do that. What did the plugs look like when you pulled them? And my suggestion previously was to put the timing light on the misbehaving cylinder wire and watch for...
  19. nola mike

    Bad coupler, warped splines? Alpha one gen 1

    I mean, if it's that hard to get in there, how TF did you get it out? Is there a ton of grease in there? Did you verify nothing else in the coupler cavity? I don't know how the splines would warp--they're aligned with the shaft.
  20. nola mike

    Ideas for balancing 12' Fiberglass Boat

    Also make sure that the engine is trimmed down
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