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  1. nola mike

    Alignment help!

    Unless you drilled holes in the transom, mount pads, and stringers, you have no idea if you have rot or not. And until you actually do that, everything else will be lipstick on a pig...
  2. nola mike

    Inconsistent Sparks

    Did you set dwell also? Are you getting a nice blue spark on the working cylinders or is it yellow/weak? If you're getting a good spark from the coil and not from 1 cylinder, it's either the wire, cap, or rotor.
  3. nola mike

    2006 Chaparral 190SSi Mercruiser 5.0 has perplexing alarm/power loss

    You verified the 170' at the sensor and the switch? What temp stat did you install? What ignition system do you have? I can't find a wiring diagram for a TB-V with knock sensor, but the normal TB-IV/V doesn't tie into the alarm at all. If a TB-V or other, the ignition needs to be put into base...
  4. nola mike

    Crank but want start Mercruiser 5.7

    There are (probably) 2 "kill switches". First is the neutral safety switch. The motor won't crank if that's tripped. Second is man overboard with a lanyard attached. You'll have your symptoms with this one being bad. Can test voltage on both sides of switch or jump the purple wires.
  5. nola mike

    10 mph top speed

    Obviously not... Is this a new to you boat? Have you checked compression? Double/triple/quadruple checked plug wire order? How old's the fuel? Have you checked/changed filters?
  6. nola mike

    Crank but want start Mercruiser 5.7

    MOB switch if equipped, not the neutral safety...
  7. nola mike

    Crank but want start Mercruiser 5.7

    No, but a bad ignition switch can do that. Do you have 12v at the coil pos with the IGN on?
  8. nola mike

    Boat lift options?

    Walk out to it. It's still 30 ft closer to shore than the mooring... Yeah, a pier is more convenient, but $35k more... If you can get someone to build it
  9. nola mike

    Is it worth fixing up?

    Nobody cheered me on when I did that! (And I was on the water at the time)
  10. nola mike

    20 foot 1997 Maxum 2050 bowrider propeller question

    Link?
  11. nola mike

    20 foot 1997 Maxum 2050 bowrider propeller question

    You'd hit the rev limiter at 20mph, the engine would have much more power untapped. In 5th gear you're geared for wot. once you start going up a hill you don't keep it in 5th when the rpms drop. 1000 rpms with the pedal to the floor doesn't make sense, right? In a car your torque curve is also...
  12. 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)
  13. 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...
  14. 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...
  15. 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
  16. 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.
  17. 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...
  18. 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...
  19. nola mike

    Shift shaft bushings

    No play in my lower shift bushing...gen 1
  20. 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!
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