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  1. nola mike

    4,3Gi different fuel pressure?

    Welcome! I don't know what any of those numbers are... Maybe post a serial number or at least give us an idea of the year and what fuel system.
  2. nola mike

    Mercruiser 470 Starter

    Yes, or your rebuild shop. 470 uses a standard chevy starter.
  3. nola mike

    What are the 2 sensor on the thermostat housing?

    Well, that's off. What does the gauge read on a cold engine? What is the resistance of the sender when cold/warm? I couldn't find a resistance value chart for the sender, but other option is to put the tan wire on another gauge after disconnecting the sender from that gauge (fuel, oil, trim)...
  4. nola mike

    What are the 2 sensor on the thermostat housing?

    More likely you got rid of all that corrosion so there's less resistance through the circuit now. Are you sure it's reading high, or just higher than before?
  5. nola mike

    What are the 2 sensor on the thermostat housing?

    You should if you're measuring from the gauge side and it's disconnected at the sender. The sender is the resistance
  6. nola mike

    Mercruiser 470 Starter

    Replace it with a PMGR starter. You can find one for <$100.
  7. nola mike

    What are the 2 sensor on the thermostat housing?

    1. Yes, if it's disconnected at the sender 2. That suggests you're getting power to the gauge, but either the sender is bad or you have a bad connection/break in the tan wire.
  8. nola mike

    What are the 2 sensor on the thermostat housing?

    The buzzer has 12v switched power to it. Grounding the wire (or closing the switch on the sensor) completes the circuit. I assume you did theses tests with the ignition on... For the gauge, make sure you're getting 12v to the gauge (purple), and then trace 12v along the sender wire to the sender.
  9. nola mike

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    The lifetime of a theoretical sub atomic particle...
  10. nola mike

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    I feel like at 3500 rpm under load this wouldn't be a long term solution
  11. nola mike

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    Can someone explain to me how the hell this would run without your camshaft turning? Certainly can't run for very long...
  12. nola mike

    4.3 TKS "Run On" fixed but Slight Loss in Performance

    Came here to say that. Iridium plugs in these engines would only be for maintenance/longevity. Nothing in my boat lasts long before being changed for one reason or another, or "while I'm in there". So copper is fine for me.
  13. nola mike

    4.3 TKS "Run On" fixed but Slight Loss in Performance

    If running a hotter stat and plugs gave you the equivalent of 50 hp, I'd be the first one in line at the parts counter. Switch plugs back first, see if it changes, switch T-stat next, see if it changes...
  14. nola mike

    Visible exhaust after starting

    Open a bit from the start. Or if it's starting fine, leave it.
  15. nola mike

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    Or disconnect both ends and put an ohm meter lead on each end... Nah, that's a win. Maybe even bonus points when a problem fixes itself.
  16. nola mike

    Aristocraft 19 Question

    Keep in mind that your 1968 power train is just as obsolete as anything omc branded. Unless you're experienced with *marine* mechanics, and have had boats before, this probably isn't a great first boat. Your picture looks like a bigfoot sighting btw, impossible to tell anything from it.
  17. nola mike

    Replacement Fuel Sender?

    Exactly. Gauge doesn't even flutter. I'd be happy with a base 3 readout...
  18. nola mike

    Cobra sx outdrive

    If it's the Y-pipe you'll get water in the boat when running on muffs. If it's the transom seal/bellows/trim wire it will only leak in the water.
  19. nola mike

    Replacement Fuel Sender?

    The problem is that even at 1/2 tank, the area where the sender is located (aft section of the tank) is completely full. The tank empties as much fore-->aft as it does top-->bottom, since it's always angled towards the stern.
  20. nola mike

    Replacement Fuel Sender?

    Trying to get a somewhat accurate fuel gauge reading (like to within 1/4 tank would be great). I replaced it years ago and for some reason shortened the arm. I installed a heavier motor and cleaned up the helm connections. The heavier motor especially now shifts the gas to the stern, and the...
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