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  1. Scott Danforth

    Painting Aluminum

    most small aluminum boats are made out of 5052 large aluminum yachts are made out of 5083 or 5086
  2. Scott Danforth

    Penta 4.3 Overheating

    removing the outdrive is an annual service requirement it also makes getting to the fitting I mentioned in post #2
  3. Scott Danforth

    Why does the 4.3 not rev higher if it's oversquare?

    factory GM balancing is +/- 29 grams - lots of shaking going on the 4.3 also has a really bad firing imbalance (look at the crank throws and you get the picture. this is tied to the cam comment above while you can get more RPM out of a 4.3 with a fat wallet, by the time you are done, you...
  4. Scott Danforth

    Motor question

    if your 1990 SR has a Mk 4 motor and not a Gen V motor the long block will swap over (the accessories wont) generally inboards have different flywheel housings, starters, exhaust, etc.
  5. Scott Danforth

    Buying a automotive engine to replace my mercruiser, need opinions

    @2550SX do you have the cam duration and the LSA for the cam? many marine cams are between 108 and 214 lobe centerline, however need to know the overlap (marine engines you do not want any overlap) post the complete cam card with duration at both 0" and the published 0.050" as well as the lobe...
  6. Scott Danforth

    Painting Aluminum

    https://www.finishmaster.com/locations/ look up your local finishmaster
  7. Scott Danforth

    Need Help Installing Distributor in 4.3MPI

    Start with rotor at bottom notch (at 7 oclock), as you drop it in, it will spin around to notch at 3 oclock. May have to spin motor to get dizzy to drop into pump shaft
  8. Scott Danforth

    5.7L 1984, Rough idle at start up, then ok after a minute or so

    I would test the sensor prior to throwing money at it.
  9. Scott Danforth

    Car won’t start. One click

    after all the connections are clean, shiny and your MIL can eat off them...... then seal them with marine electrical varnish
  10. Scott Danforth

    Another winterization question

    if you have power steering, you have a power steering cooler...... always.
  11. Scott Danforth

    Carpet question 1990 Searay 180BR

    you can call customer service at SeaRay, they may be able to tell you a color and manufacturer
  12. Scott Danforth

    Transom replacement on I/O

    only way to check is test drill if the shavings are light-colored, dry and smell like fresh cut wood, you are good to go if the shavings are dark-colored, wet and smell like rotten mulch, you cut out the floor
  13. Scott Danforth

    Transom replacement on I/O

    because replacing stringers and transom is structural work. if you do not properly support the hull, you could end up with a hook in the hull
  14. Scott Danforth

    Electric Boats

    I have run out of fuel no less than 20 times, usually when stuck in traffic for hours. Then again, in the same traffic jam, there are usually 2-3 teslas on the side of the road too. mechanical problems - about 20 over the past 30 years (broken crank, broken rod, bad bearings, wheel bearing...
  15. Scott Danforth

    Fuel Problem

    there is no mechanic in a can seafoam can not unclog your carburetor
  16. Scott Danforth

    Transom replacement on I/O

    dont be surprised if you find that the stringers are gone too. pull the drive, pull the motor, make a cradle start removing rot with the tools of descruction
  17. Scott Danforth

    Repairing Foam Filled Stringers

    its best if the foam can attach to the fiberglass. the strength is as a composite member. by putting in the strips of foam, first, it will dissolve a bit, however it will not be adhered to the inside of the fiberglass. so you will be promoting cracking vs resisting cracking
  18. Scott Danforth

    Transom replacement on I/O

    All of it. Its one big piece
  19. Scott Danforth

    Woke up this morning with a tree on the boat

    Fire up the tig welder and reweld
  20. Scott Danforth

    Don S Winterization link not working

    Yearly drive removal for inspection
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