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  1. 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...
  2. 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.
  3. 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.
  4. 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...
  5. 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.
  6. 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...
  7. 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...
  8. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Once I hit a 'commit-point' on the conversion, I may start a new thread for clarity. :)
  9. 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)...
  10. 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...
  11. tpenfield

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

    Following along . . . Additional comments: > The boat looks chopper gun made, so expect to do a lot of repairs below deck > Wood structure? Stringers, transom, bulkheads? These things may need replacing >Looks like much of the gelcoat has 'burnt off' from sun and weather exposure. So you...
  12. tpenfield

    Compression test

    A cylinder leak test may be more revealing than the compression numbers. In general, your engine is OK, but not great. Did you do the compression test with throttle wide open? I like to do the compression tests with the outdrive off (can't always do this) and battery being charged...
  13. tpenfield

    Starting boat after 4 years - pre start steps

    It looks like the OP has not been back since posting. When they do, hopefully we will get an update
  14. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Looks like Honda has a 350 hp, no 300 hp. The weight is about 100-150 lbs more that the other single prop OB’s
  15. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    one of my big ‘wants’ in a re-power is to have joystick docking. That puts Mercury at an advantage, because they have an integrated system that has been around for a while. I have not seen much in the re-power space and digital controls from Honda; not sure if they focus there. 🤔
  16. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I was wondering about the choice of engines . . . I expect that mercury will be the most $$$ and they are going to be V8 (4.6L) or V10 (5.7L), depending on power choice. Suzuki seems to own the re-power market . . . not sure if that is based on price or other factors. :unsure: The Yamaha and...
  17. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I’ve started using a bit more trim tab to get more stern lift. It makes a big difference.
  18. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Summer Update . . . I've been doing a little bit of research on the outboard engines. Planning on having Mercury, Yamaha, and Suzuki quoted. Key Spec's/Features 300-350 HP Twins Mercury is more of a known commodity . . . planing on the same feature set I have now with the I/O's (DTS...
  19. tpenfield

    Draining gas tank questions -- Is this thing a vent? How does my tank look in general?

    Late to the party . . . but Get a small hand pump meant for oil/gasoline. It will create enough suction to open the anti-siphon valve. #1 is your vent (allows air to go into the tank as fuel is used) #6 is a spare tap, most tank will have a spare, sometimes it is used as a return fuel line...
  20. tpenfield

    FANTASTIC web site !!

    It looks like bacon.com may be available. (y)
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