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  1. nola mike

    Adding straight gas to mix

    Didn't hear it so much as that it's science. Ethanol (and other alcohols) absorb water until they phase separate. Straight gas has no ability to hold water. That's why you add "dry gas" products--which are essentially straight methanol. Condensation can happen regardless of what's in your tank...
  2. nola mike

    1978 Mercruiser 470/170hp backfires

    Don't "turn timing". Set dwell, set timing to 6'. Then check your fuel. Have you changed fuel filters? Do you have a fuel/water separator? How old is the fuel? If all good, next move is a carb rebuild. No need for 93 octane. Electronic ignition won't make your engine run any more (fill in the...
  3. nola mike

    Adding straight gas to mix

    Ethanol fuel does a good job of absorbing excess water in the tank (up until a point).
  4. nola mike

    Re-upholstery Job on Cruisers Yacht 338 Bowrider

    I was so proud of my upholstery work in my boat...now I feel like my stuff looks like a 2 year old trying to color inside the lines.
  5. nola mike

    Boat pick up gone wrong...

    A boat not starting can literally be anything that affects fuel, compression, or spark. From a loose wire to a hole in a piston.
  6. nola mike

    Taking boat into salt / brackish water

    Thousands of people use their boats in salt water without them immediately disintegrating, never mind just using it occasionally for the day. Returning to boat in fresh water is a nice way to flush it/wash it. I'd be more concerned with knowing what kind of weather/tides/currents/waves you'll...
  7. nola mike

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

    Ha, might be picking the wrong guy to have an argument about this stuff with, but this might be more relevant in a closed cooling situation, since area is also a factor (more on the hx side). Open cooling is constantly being refreshed with baseline temperature water
  8. 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.
  9. 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?
  10. 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
  11. nola mike

    Water coming into bilge

    4200 is underappreciated
  12. 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...
  13. nola mike

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

    Neither needed. Some new parts are needed though.
  14. 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.
  15. 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
  16. nola mike

    17’1” Double Eagle (1991) wiring downriggers

    We've got seloc!
  17. nola mike

    Tahoe boat

    Many. Many threads on here about people's regrets about not sea trialing their boats.
  18. 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.
  19. 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...
  20. 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)
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