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  1. tpenfield

    LiFePO Batteries ???

    I wish I had a barn . . . the boat is bigger than the garage :LOL:
  2. tpenfield

    496 bravo 3 3000 RPM plus overheat

    Yes, to all those things. The IR heat gun can ID where things are going awry. Don't be surprised if it is Bravotis. It is an easy thing to check . . . harder to fix though.
  3. tpenfield

    Faulty IAC or something else

    It would be good to run the tests under load rather than running on the muffs. You can do a recording of the data with the Diacom software.
  4. tpenfield

    My boat is being a boat . . .

    Thanks guys. just need the tide cycle to cooperate . . . where is sea level rise when you need it. :ROFLMAO:
  5. tpenfield

    My boat is being a boat . . .

    Coming to the end. . . the punch list is almost done. I'm onto painting It takes about a day to get the boat up off the trailer enough for bottom paint. . . . I raise the boat just enough to get the paint roller past the bunks. . I did the outdrives with my HVLP sprayer . . . it seems to...
  6. tpenfield

    LiFePO Batteries ???

    One additional thing to consider is temperature . . . I would float charge the batteries over the winter, but it might be too cold to do so. I think it is OK for charging down to about 0˚F, but not so sure about -10˚F :unsure:
  7. tpenfield

    5.7 MPI Misfires Under Load

    I guess that was a solution as well. :LOL: Onto the next adventure (boat)?
  8. tpenfield

    Chap Quality Control is gone

    AD - I will say, it is hard owning another brand of boat once you've owned a Formula :LOL:
  9. tpenfield

    Chap Quality Control is gone

    Yes, and it's not like you can just go out and buy something else. Buying a new/new(er) boat tends to be a long term commitment due to the financial aspects.
  10. tpenfield

    No air filters?

    No air filters . . . same thing with snow blowers. :oops:
  11. tpenfield

    Chap Quality Control is gone

    AD - sorry to hear about the quality issues with your new boat. Not sure what can be done. :(
  12. tpenfield

    LiFePO Batteries ???

    I am wondering if the BMS will eventually be modified so they don't do a hard shut off. Something more gradual would probably work for the alternators. :unsure:
  13. tpenfield

    LiFePO Batteries ???

    I just replaced the Alternator on my Ford Explorer . . . $600 for the part + $200-ish in labor :oops: So, not taking any chances with the boat engines. I figure that I can go with more minimal lead-acid batteries, and as needed, there is a 'parallel solenoid' with a helm switch to combine...
  14. tpenfield

    LiFePO Batteries ???

    I was thinking about that. . . Wondering if it will work :unsure:
  15. tpenfield

    LiFePO Batteries ???

    That's the part that I was not quite understanding about the LFP batteries . . . that the LFP batteries actually shut off. So, the 5,10, 20 or even 40 amps of charging current coming from the alternator instantaneously has to find a place to go when the battery shuts off.
  16. tpenfield

    LiFePO Batteries ???

    Or . . . My boat is being a computer :LOL:
  17. tpenfield

    1968? Mercury 350 2 stroke.

    I have a 1969 Mercury 7.5 . . . still runs. Love it :love: If you use the boat/engine in salt water, be aware that the driveshafts are carbon steel, not stainless steel and may form pits in the area of the water pump, which tends to lead to a leaking seal of the lower unit. About 1979 or so...
  18. tpenfield

    LiFePO Batteries ???

    After some discussion with an electrical engineering buddy of mine, I am getting closer to a final design of the electrical system. One important aspect with LiFePo (LFP) conversions is the protection of the alternators. The LFP batteries have an electronic management system 'BMS' that...
  19. tpenfield

    Best Boat Style for The Great South Bay off Long Island?

    Older gets you a bigger boat within a fixed budget. You might want to consider boats up to about 26 feet. Bowriders do have more seating, but not as practical (safe) in choppy waters. Center consoles are more fishing machines and don't offer much in comfort, but you probably know that. A...
  20. tpenfield

    Beginner Buying Used Question Re. Sea Trials

    Greetings and welcome to iBoats . . . Many of us have been where you are, in getting into boats and boat ownership. The 'standard' practice varies a little bit depending on budget. Generally, sellers of boats under $10K may not offer to do much, but it does not hurt to ask. If you are...
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