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  1. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Good question . . . If I do fiberglass, I can potentially make the bracket a hull extension spanning across a greater width of the transom's irregular shape; basically going to/near the inside of the trim tabs. If I do aluminum, it would be more feasible to make it as a bracket, just...
  2. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Because . . . :ROFLMAO: Actually, I have a plan in mind to make an exacting fit to the odd-shaped transom area. IMO, it would be much easier done in fiberglass than aluminum. I tend to agree that the Coosa would probably be better because of the fiber content . . . and I can get it locally. (y)
  3. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Quick Update . . . The Admiral and I discussed the $$,$$$ for the outboard conversion. She is OK with it, given the alternative cost of a sell/buy approach. I am doing a little bit of materials research. . . If I build a hull extension/bracket out of fiberglass, I'd use fiberglass over foam...
  4. tpenfield

    New study on tow boat environmental impact

    Never really thought about the underwater impact of wake boats, but it is not really an ocean waters thing. Really stirs up the mud, based on the videos. There was one person in our harbor who had a Matercraft wake boat . . . They kept it only for a couple of years . . . Probably did not do...
  5. tpenfield

    LiFePO Batteries ???

    I've installed the third LiFePO4 battery to the house bank. Fortunately, I had all 3 batteries within 0.03 volts of one another just prior to the installation (13.39 - 13.42 volts). So, hopefully they will be happy as a group. After a day at the mooring with solar charging, all seems good...
  6. tpenfield

    I Got Me a Mercury !!!

    Well the special bolt that holds the choke plate and spring in place snapped off in the carburetor housing. I think it had been weakened from prior work by the PO. Anyway, I used the carburetor from my ‘69 motor. Hopefully, the motor will cold start better with the other carburetor. So, far...
  7. tpenfield

    How/where do I find part numbers?

    My recollection on fuel tank (and other tank) senders is that there are 2 ohms scales . . . USA and European, so you want to make sure you are matching what the gauge is expecting to see for resistance. Google/AI states: "For the standard American version sender (240-30 ohms), you will have...
  8. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    As far as outboard brands . . . Mercury? Yamaha? Suzuki? Which would you choose and why? :unsure:
  9. tpenfield

    Had a heck of a day

    it's like welcome to boating. Sorry to hear about the troubles. :cry:
  10. tpenfield

    I Got Me a Mercury !!!

    Not yet . . . :ROFLMAO: But it may be a consideration over the winter. My (defunct) '69 model was re-built (by me) about 8-10 years ago. So, the top bearing/seal assembly that I swapped over was in decent shape. Overall the engine could use a re-fresh.
  11. tpenfield

    I Got Me a Mercury !!!

    Quick Update . . . I checked the upper crankcase seal (after tearing the top assembly of the motor apart) and it looks visibly worn and hard to the touch. As a quick remedy, I took the top plate/bearing carrier from my defunct motor, which has newer bearings and seal, and moved it to the '72...
  12. tpenfield

    Starting a 1974 Tri-Hull Restoration, it's a Stryker Mark IV model. Need help with any information or an owners manual.

    The pictures posting is temporarily not working. We are trying to get that fixed. It happened a year or 2 ago. Bear with us.
  13. tpenfield

    How/where do I find part numbers?

    Boat manufacturers publish very little information for serviceability (as you know). My approach on boat specific parts has always been to access/remove the part and grab the mfg. name and any numbers off of it as much as possible, then go Googling.
  14. tpenfield

    New Stuff on Vehicles likes/dislikes

    Late to the party, but I did bring a 30-pack . . . :ROFLMAO: Likes: Adaptive Cruise Control Lane Keeping Function One touch window/moon roof opening Apple Car Play Keyless Entry Pre-programmed seat/mirror positioning Blind-spot indicator Back-up camera Fuel Economy Indicators 360˚ Camera...
  15. tpenfield

    I Got Me a Mercury !!!

    It has what I think is an oil recirculating line going from the plate over the intake ports to the lower crankcase. I do not see anything to the upper crankcase area. For now I leaned out the engine and will try some additional cold starts.
  16. tpenfield

    I Got Me a Mercury !!!

    Quick update and maybe a question for @racerone and a few others . . . I have set the idle mixture fairly rich so that the engine would start (on choke). The idle starts fairly high (not sure of the RPM), but it is a little higher than I may want to shift. After a few minutes of running, the...
  17. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I don't have pricing on OB's yet (working on that), but my estimates are in the $85K range after fire-saleing the I/O's and doing the hull extension myself. You are one of my dedicated followers. (y) I am thinking that difference between asking price and selling price is going to be an issue...
  18. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Once I hit a 'commit-point' on the conversion, I may start a new thread for clarity. :)
  19. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    This thread is appropriately titled as such . . . so it could certainly be continued 😆 Here is my quick cost estimate on a sell (338 I/O) then buy (338 OB) option . . . Sell 338 I/O - $110,000 Buy 338 OB $249,000 Sales Tax $15,500 Travel/Transport $10,000 (as needed)...
  20. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Yes, I have been checking. . . Of course my boat is also coming down in value, so the 'upgrade price' is still significant. Other factors are . . . > I'm not in love with how CY did the outboard versions. They took away about 15" of swim platform space with a notch, rather than a mere...
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