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  1. nola mike

    Mercrusier 5.0 MPI (2008) RPM stops @ 3200.

    Distributor cap 👍
  2. nola mike

    Mercrusier 5.0 MPI (2008) RPM stops @ 3200.

    Points?
  3. nola mike

    Strange noise Mercrusier

    I wouldn't just *consider* changing the ujoints considering what happened to that gimbal bearing.
  4. nola mike

    Overhauling my 1988 Alpha One Drive Train

    I ran into the same issue. Apparently there were 2 different styles of transom plate, one of which doesn't line up with your y pipe. Merc mixed both of them for a while, so they thought it was ok to run with only 3 bolts. A few guys on here did as well with no problems. I also did it.
  5. nola mike

    Engine cut out while slowing down....

    Yeah, but it was running. Usually compression loss from worn rings is very gradual.
  6. nola mike

    Engine cut out while slowing down....

    Yeah. Weird. If that's the only place it's going. If it gets into the head it could make it back to the block, but you'd hear leaks in the head too (and that's a stretch). Still not sure how you'd be running with those numbers. Wonder if you have broken rings? Again, odd in 4 cylinders. But I...
  7. nola mike

    Exhaust Risers 4.3 L V6 carburated

    Any good write ups on the exhaust system workings? I've seen all the flow diagrams and am still baffled at all the hoses from the tstat housing, why I have separate lines to the manifolds and elbows, where the tstat diverts the flow (seems like not just block/radiator like a car), etc. I...
  8. nola mike

    Freese Plug

    " second guessing myself if i used a wire on all the drain ports."😳
  9. nola mike

    Freese Plug

    It's a casting plug used during manufacturing. Sometimes will come out instead of your block freezing. How likely? @Scott Danforth will tell you to buy a lottery ticket if your blocked isn't cracked
  10. nola mike

    Engine cut out while slowing down....

    Didn't you say that in #3 there was a 3 pass sequence to 130? Yes, open. Just to allow air into the cylinders. It will probably end up close with it closed, but will take more cranking. You also won't be able to truly see how quickly it pressurizes. It should increase quickly for the first two...
  11. nola mike

    Tearing down transom assembly

    Yer going down either way. There are vent holes in the transom plate connected to the bellows cavity. That's why getting a lot of water in your bilge is a sneaky way to take out your outdrive, ujoints, gimbal,etc
  12. nola mike

    Tearing down transom assembly

    Only question I can answer there is that the gimbal grease seal isn't needed with a sealed bearing.
  13. nola mike

    Engine cut out while slowing down....

    So assuming your "leak down" test consisted of pressurizing the cylinders? Did you hear air escaping? Did you try a wet compression test? You mentioned testing compression warm. Did you try to start it? Those numbers are pretty crappy. Your engine was running, and then had some sort of failure...
  14. nola mike

    Merc 5.7 bogged down under load

    Start with fuel. Assuming you didn't change your fuel filter. Do that, and check the contents for crud and water. Did it get properly winterized? Check the oil level, make sure it isn't too HIGH. Don't rev it in neutral, or on muffs. Proves that a V8 will spin when there is no load applied to...
  15. nola mike

    Electric fuel pump issues

    Gotcha, but he already has a relay. Imo better to run it with the relay, though I realize merc didn't use one.
  16. nola mike

    Electric fuel pump issues

    Neither of those pics has a relay. This is pretty close to what you'd need: https://static.summitracing.com/global/images/eventimages/april_99_wiring/600/techecma99_fuelpump.jpg
  17. nola mike

    Electric fuel pump issues

    Depending on your starter--you may have a terminal off it that supplies 12v while cranking. If so, you can use that to supply the NC terminal off the OP switch. If not, you can run it off of the slave solenoid. See AD's post above. The common terminal off the switch is going to trigger the...
  18. nola mike

    No spark

    No, no, I think I remember a good one at some point 😙
  19. nola mike

    Best prop fuel economy

    C'mon over to the mercruiser forums. Many knowledgeable about these engines, although I think we're down to one fan of them (me).
  20. nola mike

    Lost Propulsion! Need Help! Reply ASAP!!

    In the water, you might be able to pull the top cap on the outdrive to look at the gears, but it really doesn't matter. Drive needs to come off. We're all jumping to the outdrive/coupler. This could still be an engine issue. No answer to the "do the rpms increase but no go" question, which is...
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