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  1. tpenfield

    Boat values

    Here is some Formula 34PC data . . . . . Formula prices are 30% higher than SeaRay, and keep in mind the at 20 years old brands may not make much difference. Also, keep in mind that in/about 2004-2005 the boat companies were switching over from regular marine plywood to rot resistant plywood...
  2. tpenfield

    Boat values

    The graph tells me that there is a $7-8K increase per year in the average pricing. So, in terms of 'newness' and any desirable features of the newer models, there is your expected price increase per year.
  3. tpenfield

    Boat values

    Here is some SeaRay data . . . there is probably more boats out there, but this is a good sample. . . I would think that there is not a huge difference in condition among these boats, and price does not necessarily reflect condition. but it gives you some perspective on where to spend your time.
  4. tpenfield

    Pink Super Tech (Walmart) -50 RV and Marine ok for engine?? I always thought NO...??

    I used the alcohol-based AF on engines for years . . . No issues. Of course these were older engines. Newer engines tend to have plastic parts, which would tend to dry/crack from alcohol exposure (I believe). On newer engines, I have used the PG type, which is the kind for engines. I hate...
  5. tpenfield

    Boat values

    FWIW - I purchased a boat in 2021 for 10% under asking price, a boat in 2012 for 5% under asking price, and a boat in 2004 for asking price. However . . . most of these asking prices were on the lower end of the range of asking prices for same/similar boats.
  6. tpenfield

    Boat values

    There is nothing hard & fast about boat pricing. Yes, everybody thinks their boat is worth more money than the next person's. The truth of it all is that boats sell from the bottom of the asking price range. Here is a graph that I frequently do on various boat's asking prices. The line is...
  7. tpenfield

    Offer accepted

    Looks like a nice place. I hope to be looking for something like that over the next year or so.
  8. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    The 2 tables (5&6) list under water properties. Keep in mind that the bolts do not (should not) get wet, other than some periodic dampness.
  9. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    One thing about working with SS bolts is 'galling' , which can ruin your day. I had the issue with my extended swim platform build, so I'll have to be extra careful about the extension pod, considering the number of bolts.
  10. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    According to AI . . . "Coarse thread is more subject to loosening under vibration, while fine thread is less likely to loosen. This is because fine threads have a smaller helix angle, which makes them more resistant to self-loosening from vibration compared to the steeper angle of coarse threads."
  11. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Transom assembly is fine thread, outdrive to bell housing is fine thread. Must be a reason.
  12. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Fender washers and regular washers with nylock nuts. I figure fine thread is better for both tightening and not loosening
  13. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Ribs, gussets, and bolts. . . .:unsure: While away, I did some detailed drawings of the extension pod and support structure. Yellow is the boat's structure and gray is the extension pod and support structure. . . I am going to add a bunch of gussets to support many of the flange areas where...
  14. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Speaking of resin . . . I tend to keep the resin cool and add heat once the glass is wet-out. IIRC, while doing some glassing during summer heat, I put the resin jug in the refrigerator over night to delay the hardening. On my swim platform build, I used a 'slow' hardener "Norox MCP-75"...
  15. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I fillet-ed most of the day . . . I got the ones done that can be done. There will be some more when I put the remaining pieces on. I'm going to be traveling for the next 10 days or so. I might get a little bit done tomorrow AM, but that's about it for a while. I'll be glassing after...
  16. tpenfield

    How to decarbon a 4 stroke

    I think the choice is in the directions . . . :unsure:
  17. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    It is a gallon jug . . . should be enough, I can get more if needed. I also have milled fiber.
  18. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    BTDT . . . . . :LOL:
  19. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    Today will be fillet day . . . . .
  20. tpenfield

    I/O (Sterndrive) Conversion to Outboards

    I'm waiting for some Cabosil to arrive . . . Meanwhile I got a supply of frosting bags from the Admiral's stash. In other news, I got the transom pretty much cleaned off. . I'm going to mark the cut-outs in the transom from tracing the openings in the extension pod (going to put the extension...
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