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  1. tpenfield

    LiFePO Batteries ???

    OK, I'm listening . . .:unsure: I'm also concerned about the charge rate of the LFP batteries and the need to regulate charging current. Although my friend added a dc/dc converter to his battery conversion, he 'mysteriously' blew out the ProNautic 1230 shorepower charger. I'm thinking that...
  2. tpenfield

    LiFePO Batteries ???

    Thanks @dubs283 . . . not overly concerned about the cost of fuel, just thinking shedding 400 lbs. of weight reduction might help time-to-plane and boat balance. The dry weight of the boat is 11,300 lbs +/-, so 400 lbs is not a game-changer, but something to consider. Wondering if the LiFePO...
  3. tpenfield

    LiFePO Batteries ???

    Greetings, My boat (Cruisers Yacht 338) has 7 (seven) 31M-AGM batteries, which spec at 72 lbs. each. The batteries are isolated into 4 banks (4 for the inverter, 1 house, port engine, starboard engine). The boat is now 7 years old and I expect to be replacing batteries over the next few years...
  4. tpenfield

    94 Four Winns sundowner

    Welcome to iBoats . . . Some boats have the instrument clusters that were made by VDO and so replacing individual gauges was problematic. I am not sure if your boat has such, but if you can get access to the backside of the gauges, it should be easy to tell if they are individual gauges or...
  5. tpenfield

    Replacing old Gauges ?

    OMG . . . o_O
  6. tpenfield

    mitchell 14' fiberglass, my first boat,

    Welcome to iBoats. . . Please start a new thread as per the forum rules. The OP has not been on the forum since 2008 and probably would not be responding.
  7. tpenfield

    2 cycle 9.8 water pump question

    Thanks for the follow-up (even though you got no replies :confused: ) Do you have any pictures to post as a comparison of the 2 water pumps? I have the smaller brother to the 9.8 (a 1969 7.5) and have done several water pumps over the years. I just don't recall the orientation of the seal...
  8. tpenfield

    Replacing old Gauges ?

    Welcome to iBoats . . . 'S' would be a sender. A voltmeter (gauge) certainly would not need a sender lead as it is measuring the voltage of the 'I' ignition lead vs. ground. What was the sender lead of the old gauge connected to?
  9. tpenfield

    CA DMV Registration of Inflatable boat and motor (outboard and/or trolling)?

    Have you checked online with the CA DMV as to what you need? As for the PDF print-out of the CoO . . . make sure to have your best poker face when you get to the DMV office. (worked for me once - different state though . . . :ROFLMAO: )
  10. tpenfield

    Owners material?

    Welcome to iBoats. The OP has not been on the forum since 2007, so it is unlikely that they will see this information. Thanks for posting it, but do be mindful of the 90-day rule on idle threads.
  11. tpenfield

    Towing 2 rider hotdog with a bayliner capri 1700 70hp 1992

    @Zuniga57 Welcome to iBoats. Forum rules frown on posting to threads that have been dormant for over 90 days. The OP has not been on the forum in about 2 years. Closed
  12. tpenfield

    Testing transom assembly for leaks

    Just catching up on your several threads about the transom assembly. Did you do any work on the transom itself? (I might have missed a prior thread) As far as the test, with a completely assembled transom assembly and outdrive, as well as the exhaust Y-pipe and something to hold the outdrive...
  13. tpenfield

    Just bought boat, most gauges inoperable

    Much of the wiring is related to the engine, so see if you can get the service manuals for the engine/outdrive and work from there.
  14. tpenfield

    Starter wont engage flywheel.

    Here is the link to my thread about no spark . . . FWIW . . . :) https://forums.iboats.com/threads/mercruiser-7-4-lx-mpi-wont-start-no-sparky.738651/
  15. tpenfield

    Starter wont engage flywheel.

    I had one of those distributors go bad on my twin 7.4's. One day the engine was running, the very next day it would not start. I replaced the distributor, problem solved. If you can verify no/weak spark, then you may want to replace both distributors based on the engine's age.
  16. tpenfield

    Starter wont engage flywheel.

    We need the serial number of the engine(s), but I'm thinking L29 w MEFI-3
  17. tpenfield

    1964 7.5hp McCulloch gear oil fill..?

    Recent posts have been moved to a new thread
  18. tpenfield

    2010 90HP EFI 4-stroke Merc dies after throttle and runs rough after warm

    Sorry to say, but jeepdude has not been on the forums since 2017, so doubtful we will get an answer. Closed.
  19. tpenfield

    iBoaters...Where are you!!!! - Members Map

    9 years running and lots of pins on the map (y) FWIW - Here is the link (below) to the map that @Woodonglass started in 2014. Click Here To Enter Your Location on the iBoats Member Map
  20. tpenfield

    Lookin' for documentation,.....

    My recollection (not sure if it was from Don) is that the reverse rotation engines were used only for a few years, but not sure when. Otherwise, it was all done in the outdrive. As far as verifying, the problem is most of what is searchable online is hearsay rather than factual sources.
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