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  1. nola mike

    Gimbal Bearing Alignment/Installation Tool Question

    Doesn't much matter, needs to sit on the fat part of the bar, but far enough forward that the bar won't bottom out in the coupler before the bearing is in. I didn't have a drill press handy and just put some hose clamps on there to keep it from sliding (drilling is better).
  2. nola mike

    Tb IV intermittent spark ?$#???

    The issue is that your sensor is the more unreliable type to begin with, can leave you stranded, and is unfixable on the water. Might work, might not, might work for a while.
  3. nola mike

    Tb IV intermittent spark ?$#???

    Sounds like you have the old style sensor. Won't cause you to lose 12v at the coil pos but for sure will cause you to lose spark. Replace it, and suck it up and buy OEM (I might give Mallory or Sierra a shot, but am probably in the minority). But stay away from no name Amazon sellers.
  4. nola mike

    Tb IV intermittent spark ?$#???

    I think he's saying he's not getting 12v at the pos coil, which wouldn't be an issue with the tach. Do you have power to the gauges the whole time or do they drop out as well?
  5. nola mike

    High compression in 1 cylinder - 7.4 carb

    Hey neighbor! Just took a 35 mile cruise up to Tim's in Fairview Beach today.
  6. nola mike

    1972 Glastron v164 trim gauge

    Air/fuel. Installed a wideband o2 sensor to better tune my carb
  7. nola mike

    1972 Glastron v164 trim gauge

    Let's see some pics of the boat
  8. nola mike

    Mercruiser - 3.7 ( 470 ) Alpha1 ( please list the sources of CLEAN water in the oil ) about a cup - Antifreeze not leaking - no green in the water -

    Yes, that's what it's supposed to do. Raw water into the exhaust to cool it. I don't remember where the raw water circulates within the reservoir, here's a pic of mine years ago that had corroded through. Not sure if the leak is AF or raw water there though. Correct. Only thing is make sure...
  9. nola mike

    Mercruiser - 3.7 ( 470 ) Alpha1 ( please list the sources of CLEAN water in the oil ) about a cup - Antifreeze not leaking - no green in the water -

    OK, going to revise my earlier statement. Failed gasket can cause AF to leak into the exhaust, not raw water. A corroded (rusted through) reservoir can cause raw water to enter the exhaust I believe, but it's been a while since I've looked at one of those reservoirs. Manifold has no raw water...
  10. nola mike

    1972 Glastron v164 trim gauge

    I just removed mine to install the A/F gauge.
  11. nola mike

    Mercruiser - 3.7 ( 470 ) Alpha1 ( please list the sources of CLEAN water in the oil ) about a cup - Antifreeze not leaking - no green in the water -

    I know, I was agreeing with you!
  12. nola mike

    Mercruiser - 3.7 ( 470 ) Alpha1 ( please list the sources of CLEAN water in the oil ) about a cup - Antifreeze not leaking - no green in the water -

    Yes, if that gasket fails between the mani/elbow, or if the elbow corrodes (manifold is aluminum on later models, lasts longer) that can also let fresh water into the exhaust.
  13. nola mike

    Mercruiser - 3.7 ( 470 ) Alpha1 ( please list the sources of CLEAN water in the oil ) about a cup - Antifreeze not leaking - no green in the water -

    Would need to know the voltage at the coil first. Do a search. Like Bigfoot, unsure if it actually exists. Every few years someone comes up with a solution, claims it works, and then disappears. Last I saw I think was a regulator for a motorcycle. I mean, it *should* be possible, plenty of...
  14. nola mike

    Mercruiser - 3.7 ( 470 ) Alpha1 ( please list the sources of CLEAN water in the oil ) about a cup - Antifreeze not leaking - no green in the water -

    Check your voltage at the coil, you could burn out your points. If you really want to half ass it, you could put an extra resistor in line to lower the voltage to ~9v. Or you can try one of the cheap voltage regulator fixes that have been proposed in the past.
  15. nola mike

    Black Scorpion Mag Mpi fuel pressure

    Wow, where does that go?
  16. nola mike

    4.3 running great accelerated slowly died. No power at key, no click, nothing.

    Bad ignition switch Bad ignition fuse Corroded fuse holder Corroded 10 pin connector
  17. nola mike

    Mercruiser 165hp I/O

    Engine's fine, but everything about it is obsolete, drive also. Parts can be tough to get. Drive may be upgradeable easily depending on year, but the boat doesn't look like anything special either. You can get something much newer for way less than what it would cost to get that boat looking and...
  18. nola mike

    Source for mooring chain/hardware?

    Sounds like an expensive carry on Brackish. The heavy chain isn't in terrible shape, but the shackle to the mooring rubbed through. There was definite wear though, so figured I might as well replace it and the rest of the tackle. The light chain I replace every 3 years or so, the lower links...
  19. nola mike

    oil pan SBC

    Get a remote oil filter kit while the engine's out. These jokers only deal with the dipstick because they have to :P
  20. nola mike

    no start

    You can, but why? It's turning over, but no gauges at your dash? Sounds like you aren't getting power to the purple ignition/dash wire from the ignition switch. I'd start there. You can confirm that you aren't getting power to the (+) side of coil.
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