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  1. nola mike

    1987 Merc 4.3 Rebuild or replace?

    Kind of. There are differences in the block that matter if you go newer. The peripherals don't always swap over, the newer blocks have different degrees of metric threads, the water pump might not fit, starter might not fit, etc. Newer blocks had serp belts instead of v-belts. That said, you'll...
  2. nola mike

    1987 Merc 4.3 Rebuild or replace?

    This is the wrong time to buy a boat. Your performance is way off, my similar boat (granted 4bbl carb and vortec heads) has no problem getting on plane, even with 5 adults 4 kids on board, and can hit 44 mph with that load. 2k for a rebuilt long block is pretty good. Doing it yourself (plus...
  3. nola mike

    Seal orientation

    Both seals are spring side up. Yes, counterintuitive. Listen to Wayne or listen to mercruiser...
  4. nola mike

    Antifreeze circulation through engine

    Yeah that's what I have for my block drains
  5. nola mike

    Antifreeze circulation through engine

    Are the mani drains ¼ npt? Can't remember. Might as well go ahead and drain mine way early this year, and would like to put some type of tool less wing nut fitting on like on the block drains. Usually I winterize multiple times a year...
  6. nola mike

    Anti Seize or Not?

    The permatex works great, I put it on a ton of bolts. While it doesn't seize, it doesn't really break free either. Also messy. So an inaccessible bolt that you're trying to loosen and remove by hand might take a good bit longer to get out. Not sure why loctite isn't used more. It prevents...
  7. nola mike

    1987 Mercruiser 350 wiring question

    Water temp sender Ground
  8. nola mike

    Hard to start unless starter solenoid is shorted

    Ha ha, nice response. My thinking exactly
  9. nola mike

    Hard to start unless starter solenoid is shorted

    Yeah, losing voltage to the coil when cranking. Only place that can happen that I can see is at the ignition switch. What do your gauges do while you're cranking?
  10. nola mike

    engine pinging and backfires and stalls

    Have you checked fuel pressure?
  11. nola mike

    switching out lower unit on Mercruiser MC-1 - what to look for?

    Usually the issue is in the cable or adjustment, or a couple of other culprits not involving the gear case. What issues are you having? The current specs will give you a ballpark, but won't be exact. Especially if you aren't sure that you're currently propped correctly (you need to know your...
  12. nola mike

    MC-1 Back Together, Temp 175 Fahrenheit?

    That impeller looks like junk, not sure what you did to it after you replaced it, but looks fried
  13. nola mike

    Strange starter issue.

    Yes, if the yellow/red wire stops supplying voltage, you essentially don't have your ignition key in the start position. I mean, if you know you have a wiring problem, seems like a good place to start regardless, no?
  14. nola mike

    switching out lower unit on Mercruiser MC-1 - what to look for?

    Yes Ratio of turns of prop per engine revolution. In a 1.98 the prop turns almost 2x for every turn of the engine. Essentially like a lower gear in a car Your engine revs will be off, your boat will perform lousy, and you can damage it over time. Yes, you need to reprop Like achris said, it...
  15. nola mike

    1987 Glasstream 192 Regatta

    The service manual will be for the engine, not the boat. What do you have? (And serial number)
  16. nola mike

    switching out lower unit on Mercruiser MC-1 - what to look for?

    Close enough that you'd be able to reprop if necessary. What's wrong with what you have?
  17. nola mike

    Mercruiser Pre-Alpha (MC1) Broken Beyond Repair... Options/Recommendations?

    You're looking for wood chips--what you'd expect to see if you drilled into a fresh 2x4. What you don't want to see is anything wet, mushy, or saw dust-y. Drill low down, particularly around the transom cut out and around any penetrations (speedo pitot, foto finder, etc)
  18. nola mike

    Mercruiser 4.3 woes - help please

    Pressure will be decreased if your anti siphon valve is bad.
  19. nola mike

    2014 mercruiser serial # 2a191194 dtc 321 & 322

    Are you able to see live o2 data on the rinda? O2 sensor voltage, scope image, fuel trims,etc?
  20. nola mike

    MC-1 Back Together, Temp 175 Fahrenheit?

    Link's in his sig
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