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  1. tpenfield

    PSA on Winterization Antifreeze

    I went to 'full closed cooling' systems on my I/O (sterndrive) boats about 11 years ago, and have never looked back. I just make sure the engine coolant is up to snuff and run -100˚ F antifreeze through the raw water side. Done. :) Since I'm in salt water, I also run a De-Scaler solution...
  2. tpenfield

    Pictured Rocks National Lakeshore, Munising, Michigan

    I enjoyed seeing your updates. Looks like the Chappy is running well. Any bites on selling the 'hot spare' that you recently bought?
  3. tpenfield

    PSA on Winterization Antifreeze

    Just bringing my thread on the dreaded 'W' back to life for the folks who need to winterize their engines and plumbing systems. I was able to grab some (12 gallons) of the -100˚F PG AF for $13/gallon last week. It seemed like the deal of the century vs. the ransom I paid last year. :rolleyes:
  4. tpenfield

    8.1 GXI-J Cranks but No Start w/ Diacom Logs

    If you are having the marina do the work, then they may just want to replace the engine with a new/remanufactured one. It will be pricey. If you are going the DIY route to some extent, you may be able to have the engine rebuilt, probably will be getting a new cylinder head. Hopefully the...
  5. tpenfield

    My AGM Batteries Singing Their Swan Song . . .

    These batteries are about $400 each and weight 72 lbs each. So the 7 batteries $2,800 and 504 lbs. So, I'll be looking to my LiFePO design to spend about $2,000 and save about 400 lbs,
  6. tpenfield

    When You've Reached the End of Twofootitus.....

    Will it ever end . . . :ROFLMAO:
  7. tpenfield

    Half closed loop system question

    If I were me, I'd consider a full closed cooling system, if you can get one. But then you'd need the sea water pump.
  8. tpenfield

    180rpm

    Carbureted engine would not be a 'limp mode' thing (fuel injected only) Has the distributor moved off of its proper timing setting? Getting spark on all cylinders? You could try a compression test. Got a serial number of the engine?
  9. tpenfield

    Broken Skeg Tip...Repairable?

    Since you have the piece, it could be welded back on or even JB Weld it back on. I did a skeg repair with JB Weld and some chopped strand mat (CSM) and it held up nicely.
  10. tpenfield

    My AGM Batteries Singing Their Swan Song . . .

    Thanks for the tip about Odyssey. I think I will be going the route of my LiFePO4 design and will look into the Odyssey batteries as the starter batts. I already told the Admiral to pick a couple $K off the money tree. :ROFLMAO:
  11. tpenfield

    My AGM Batteries Singing Their Swan Song . . .

    My boat was built 8 years ago and put into service about 7 years ago. I think the AGM batteries ( 31AGM) are starting to die out. I believe that 7-8 years would be about a normal replacement cycle for AGM batteries. I think it may have been the cause of my voltage warning issues last year...
  12. tpenfield

    Chap Quality Control is gone

    With boats, (and other ‘toys’) is that you put a large sum of money into a it and if it does not live up to expectation, then you are stuck.
  13. tpenfield

    99 Monterey 276 Transom Replacement

    it is not. But if the OP searches “Formula 330 bulkhead” it should come up.
  14. tpenfield

    Chap Quality Control is gone

    I’ve only owned Formula and Cruisers Yacht boats. No complaints. Engine issues are a different ball game, as stated, not related to the boat itself.
  15. tpenfield

    99 Monterey 276 Transom Replacement

    Keep in mind that all of the wood ‘bones’ of the structure are connected and moisture travels quickly among the component.
  16. tpenfield

    99 Monterey 276 Transom Replacement

    Having been there and done that. . . Nip it in the bud stages. It is not all about the transom, and a delay may enlarge the scope .
  17. tpenfield

    99 Monterey 276 Transom Replacement

    Once wet, rot tends to go exponential and can go quicker than you think.
  18. tpenfield

    P.S.A. . . . SAE J2807 Towing capacity spec's

    I get really bored in the dead of winter, so be ready :ROFLMAO:
  19. tpenfield

    1967 9.8hp mercury flywheel

    I believe it is the Mercury 11-20696 locking nut. Take a quick measurement of the crankshaft diameter at the flywheel threads may give you an indication of the thread size. It is a special locking nut, so the hardware store may not have one.
  20. tpenfield

    Thinking about converting surge brakes to electric - Tri-Axle Trailer

    1,260 +/- lbs.
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