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  1. Scott Danforth

    dpsm outdrive holds pressure after seal repair but not vacuum.

    does it instantly drop? or slowly drop? what is it after an hour? are you turning the shafts as you are testing? if it slowly drops to the 11 or 12 overnight, thats fine. if it drops to zero, you sill have a seal leak.
  2. Scott Danforth

    Testing Gas Flow on 82' Wellcraft Sterndrive

    You know that these motors do not like even a 10 degree over-heat due to the open deck and the aluminum block/iron head
  3. Scott Danforth

    Volvo Penta Outdrive SX-A - Stripped threads on oil fill/overflow hole - proper way to repair?

    you should be pulling your drive every year to inspect the bellows, u-joints and the gimbal, and checking alignment two choices on the hole. original size is 3/8-16 tap. can jump up to an M10 plug, or run a helicoil. you can do the repair in-situ if you use the grease trick on the tap, then...
  4. Scott Danforth

    Help me set up my new edelbrock 1409

    one is a divergent spacer for a square bore carb. small holes at carb transitioning to the big oval holes on the manifold. the other is a conversion spacer for the spread bore to square bore. Not sure you need both
  5. Scott Danforth

    Do i need to be concerned about these compression numbers yet

    do a leak down test
  6. Scott Danforth

    81 omc sterndrive

    are you talking the cables back by the ESA? or where the cable enters the control binnacle? what do you mean the cables are backwards? also, most likely your ESA is out of adjustment. go here. http://sterndrive.info/ and watch the videos on setting up the ESA
  7. Scott Danforth

    Mariner’s Museum, Newport News, VA

    the steam launch looks like @seikeinlemming boat with the canopy. https://forums.iboats.com/threads/steam-launch-parts-acquired.504822/
  8. Scott Danforth

    Wine glass harmonic sound switching from 3 blade to 4 blade

    you sure its not intake whistling
  9. Scott Danforth

    Gel Coat

    If you are putting metal flake over another color, you need as little orange peel as possible. which usually requires sanding it flat so the flake lays correctly. especially if you havent worked with gel often. Gel is finicky, and sprays like a high-build primer....and with the duratec, you...
  10. Scott Danforth

    5.0 GXi-J fuel pump relay keeps tripping

    Standard VF4 relay. Every electrical house has sockets and terminals.
  11. Scott Danforth

    Gel Coat

    Light reading. https://www.boatdesign.net/threads/gelcoating-the-whole-boat-down-to-the-waterline.61694/
  12. Scott Danforth

    Gel Coat

    If you are doing metal flake, you have to sand between each coat
  13. Scott Danforth

    Gel Coat

    why? you are thinking like you are applying paint clear gel is generally not used with the exception being a metal flake clear job on bass boats with gel, you start sanding at 240 grit, then 320, then 400, 600, 800, then start buffing to get the shine clear gel doesnt have the amount UV...
  14. Scott Danforth

    Gel Coat

    you clear coat paint. not gel total boat product that requires a barrier coat or a clear coat is a paint
  15. Scott Danforth

    Gel Coat

    you dont use primer with gel. gel goes on directly over the fiberglass and fairing material. regarding your stripe. I would mask off what you dont want colored. then when you do the next color, change your masking and butt the edges of the colors together. that way, when you go to sand, you...
  16. Scott Danforth

    5.0 GXi-J fuel pump relay keeps tripping

    based on the pic, your contacts were well over 200F at some point because the plastic is melted around the terminals. I would replace the terminals
  17. Scott Danforth

    Help me identify what engine I have in my new boat

    the fastest will be to swap the AVS for the 1409 as it sits. read the plugs. from there loose the one thinner spacer. I wouldnt worry about a wedge spacer unless it bothers you.
  18. Scott Danforth

    Keel guard length

    I would run a longer keel guard, especially if you plan on beaching the boat...ever. I suggest at least 8 feet based on your pics. just aft of the keel roller on the trailer, then adjust the keel roller I ran a 10' on my 19 foot searay because I did pull up onto the sandbar
  19. Scott Danforth

    Repair before installing Keelguard?

    looks like someone smeared auto body filler over the keel rash. the talc based auto-body filler will come loose when exposed to water
  20. Scott Danforth

    Cruising RPM’s

    From what I can find for a 1973 Gibson 36' with the chrysler diesel, the max RPM of the motor is 3600 RPM and it puts out 73hp.
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