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  1. nola mike

    Mercruiser 3.0 = Chevy 181 CID = Small Block Chevy Valve Train? 1:65 Rockers?

    Rate of heat transfer is in large part controlled by the delta temp between the 2 systems. While you'll have less time to transfer heat to the coolant in a faster moving system, the delta will remain larger since the coolant doesn't have as much time to get saturated.
  2. nola mike

    Mercruiser 7.4 Starter Grinding/Partial Engagement?

    Have you measured starter voltage while cranking for a drop? That can let you stop chasing electrical problems before the starter...I forget whether you're jumping it at the starter solenoid or the slave?
  3. nola mike

    Rec gas prices???

    I love it. My weather lets me heat almost completely with about 1.5 cords/year, all of which I split by hand. Great winter exercise. I imagine this would appeal to a lot of people on here. You can geek out on wood just like boats 😂 www.hearth.com
  4. nola mike

    Water coming into bilge

    4200 is underappreciated
  5. nola mike

    Rec gas prices???

    Funny story (to me anyway). About 10 years ago made a trip to Munich, visited BMW museum (which brainwashed me enough that I bought one soon after). While I was there, rented a car to tour the countryside. Trying to decide what to get, settled on an Audi A4, which seemed appropriate. Got to the...
  6. nola mike

    Is the vortec 4.3 the same short block as the early non-vortec?

    Neither needed. Some new parts are needed though.
  7. nola mike

    Is the vortec 4.3 the same short block as the early non-vortec?

    Some of the vortecs had adjustable rockers I'm pretty sure. Mine didn't, and I don't miss it.
  8. nola mike

    Is the vortec 4.3 the same short block as the early non-vortec?

    No reason to keep the non vortec heads, everything's possible with time and money. There will be headaches which will be dependent on the particulars of your setup
  9. nola mike

    17’1” Double Eagle (1991) wiring downriggers

    We've got seloc!
  10. nola mike

    Tahoe boat

    Many. Many threads on here about people's regrets about not sea trialing their boats.
  11. nola mike

    Alpha one gen 1 questions

    3.7L, assuming 17-20 ft bowrider would have been 1.84, but double check s/n if you can.
  12. nola mike

    Water coming into bilge

    Exhaust bellows is always wet. IDK off the top of my head what/if any sealers are supposed to be used on the y pipe...
  13. nola mike

    Alpha one gen 1 questions

    S/N on the drive. If unreadable, we can probably guess correctly based on engine +/- other info (prop pitch, what boat it's on)
  14. nola mike

    A couple of quick Edelbrock ?'s

    OK, so called Edelbrock tech. The coatings in question that would be damaged are EnduraShine and Permastar. Not sure that the performer carbs had these coatings, but mine is long gone if so. The guy I talked to recommended not dipping the carb at all, but just spraying carb cleaner in the...
  15. nola mike

    Surging / losing rpm

    Throw a timing light on your coil wire. You'll be able to see if your ignition is momentarily cutting out, and if it's before or after the distributor cap. Agree that it looks like a wiring problem. Can also try wiggling wires when underway to see if you can reproduce.
  16. nola mike

    A couple of quick Edelbrock ?'s

    Got my 1409 back from the machine shop after a quick 4 month job to remove some snapped venturi screws. About to rebuild: 1. I've seen around these parts that the Edelbrocks have some special coating that will get stripped by carb cleaner (@Rick Stephens ?) and to use simple green. I only see...
  17. nola mike

    4.3 Mercruiser 94 vs 98 interchangeability

    Hmm. Never gave this much thought when I swapped mine. I was under the impression that the ignition curves were similar between the TB IV and V (with the exception of some pre-programmed "routines" in the V). I thought that most of the special sauce in the V was due to advancing the ignition...
  18. nola mike

    Mercruiser 4.3 Vortec Backfire and no start

    I had that same timing light for 30 years before it finally died
  19. nola mike

    Mercruiser 4.3 carb weep

    Also make sure you didn't cross thread that nut, easy to do.
  20. nola mike

    Mc-1 wont go all the way

    If the alignment tool won't go in then the outdrive will never go on...
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