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  1. Lou C

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

    My brother is telling me his 2020 Merc has the service engine soon light on. I don’t have a scanner for modern boats so it’s going to have to go to the dealer….
  2. Lou C

    Troubleshooting engine temp

    Chris my engine (short block & intake) are original 1988 used in salt over 20 years so maybe I’ve had more rust who knows, cyl heads were replaced 5 years ago
  3. Lou C

    Kinda Clueless in South Jersey

    the engine may be just as bad as the rest of it!
  4. Lou C

    Troubleshooting engine temp

    Well…here’s what I’ve done. I leave a small hammer on the boat. If the temp starts reading low, I take the boat out and get it up on place for about 10 min then let it drop back to idle, before it cools off tap all around the stat housing to Create vibrations to loosen & flush out rust flakes...
  5. Lou C

    4.3 merc . spring starup

    You can pull the valve covers and disable the ignition & just crank it over briefly (don’t want it to start will make a big mess) to observe of the valves open & close. But it seems like the heads are coming off. Any water in the oil? Possibilities: Leaky manifold to elbow gasket let water drip...
  6. Lou C

    Troubleshooting engine temp

    Because this is such a common problem in raw water cooled engines in salt I usually replace them every 2 seasons or so. If everyone promises not to laugh I’ll share my “trick” for fixing a stat that doesn’t close because of rust flakes without taking anything apart…
  7. Lou C

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

    Interesting I thought of the same thing but never got past the just thinking part. With the old style sending units I found that they lasted anywhere from 2-7 years in salt water.
  8. Lou C

    Troubleshooting engine temp

    but does it completely close when the water cools off? If not then that's your problem, or at least could be it.
  9. Lou C

    Question about battery post connections

    make sure that you are using nuts with the right thread, coarse vs fine.
  10. Lou C

    Troubleshooting engine temp

    It is not unusual with raw water cooling to have a stat that sticks open a little due to a rust flake very common with cast iron engines when raw water cooled. You can remove the stat (get a couple new gaskets first because they will just fall apart probably) and use an old style radiator...
  11. Lou C

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

    Great detective work! As is necessary with modern electronics!
  12. Lou C

    Volvo Penta | Holley Carb Leak - Fuel Line Connection

    Post up a pic of what you have. Some of the 3.0 mechanical fuel pumps had a small filter built in & some had the large canister filter added on. If you have a canister style water separating fuel filter it will look like an oil filter…
  13. Lou C

    Engine Replacement Compatibility

    Also not sure if the extra 100 or so lbs of the V8 vs the V6 will lower the stern of a boat that size too much, could cause back wash in the exhaust problems.
  14. Lou C

    Oil pressure on 1986 OMC cobra 5.7

    Make sure you don't have impeller bits in your P/S cooler, thermostat housing and the hoses leading to the manifolds. If your old impeller was not 100% intact I would: Remove the impeller housing, disconnect the raw water intake hose at the thermostat housing, stick a garden hose in the raw...
  15. Lou C

    Engine Replacement Compatibility

    17 foot boat a 4.3 bbl is more than adequate, and will fit in the available space...
  16. Lou C

    '95 OMC 5.0L fuel line

    I wouldn’t cobble up something like that on an inboard boat the risk of something bad happening & liability is just way too high. Metal line only or approved flex line like Sierra sells. On my boat trailer when I installed brakes way back in ‘04 I used stainless line except for the rubber hoses...
  17. Lou C

    Shock

    I used to get a tingle, from the remote control if I hit one of the trim buttons while touching the metal helm wheel, turned out to be a bare spot in one of the trim wires, fixed it with liquid electrical tape some years ago...
  18. Lou C

    1976 Mercruiser 165 Engine Tick & Low Oil Pressure

    You can also use Lucas Marine 20/50 it has a lot of zinc, more that just about any I’ve seen….
  19. Lou C

    Seats for Sunrunner272 ultra

    It depends on labor & material cost. Take that pic of the seat & show it to an upholster shop that does marine work. If the padding etc is ok they can take the vinyl apart & copy it in new material. If there’s nothing there they will have to rebuild the frame out of plywood and add new foam &...
  20. Lou C

    2004 21 Seaswirl Striper

    While it’s a 21’ they are pretty heavy so I’d say a 200 would be appropriate power for that hull. That’s a Yamaha 2 stroke from what I can see.
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