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  1. Scott Danforth

    What Year is this thundercraft boat?

    Late 80s or early 90s
  2. Scott Danforth

    Capri 175 with mercruiser 3.0 alpha won’t start

    Which ignition system? If you have points, start by servicing them
  3. Scott Danforth

    Inboard 2011 4.3 Merc

    Videos in the sticky at top of the forums
  4. Scott Danforth

    Mercruiser 260 issue

    If your cranking RPM is over 250RPM, then maybe Which ignition system do you have. If you have points, did you service them? What are your compression numbers? Should be between 125 (low) and 150 (new)
  5. Scott Danforth

    Inboard 2011 4.3 Merc

    Yes, the drive must come off No, you can't patch
  6. Scott Danforth

    Slow trim down plus sticks at halfway

    Was it the pump or the motor. Usually the motor is what goes
  7. Scott Danforth

    Mercruiser 260 issue

    Clean the battery connections and load test the battery
  8. Scott Danforth

    Inboard 2011 4.3 Merc

    The drive is supposed to come off every year for bellows, gimbal bearing and u-joint inspection along with checking alignment I would pull the drive
  9. Scott Danforth

    What to do with my two 470's?

    Pull the studs to surface the manifold
  10. Scott Danforth

    Cleaning hull underwater

    if its a moored boat, most likely there is a diving service that other boats are useing that cleans barnacles off. Buddy of mine makes a cavitation gun and pump system he sells to the navy and other outfits that uses cavitation to blow up barnacles. on a trailer queen, as stated above, load...
  11. Scott Danforth

    Best method to drill out a broken off bolt

    mcmaster carr has drill bushings available today.
  12. Scott Danforth

    Mercruiser 260 issue

    pull the plugs and try turning it over. if you have water in the cylinders, you are hydro locked. if no joy, pull the drive and try. if the motor then spins over, look at your drive.
  13. Scott Danforth

    What to do with my two 470's?

    every NAPA has rubber gasket material in stock McMaster.com sells EPDM sheet cheap https://www.mcmaster.com/products/rubber-sheets/thickness~3-32/?s=epdm+rubber+rubber+sheets Cork will not hold and the die cut heat exchanger gaskets can be had from any of the heat exchanger manufacturers...
  14. Scott Danforth

    4.3l Mercruiser - failed hose test see comments

    if you have a pushed out core plug, 99.9999% chance the block is cracked.
  15. Scott Danforth

    Chattering in out drive

    if its clanking in the lower, you need to pull the lower apart.
  16. Scott Danforth

    Inboard 2011 4.3 Merc

    most likely bellows, and since its leaking, most likely need new u-joints and input shaft seal
  17. Scott Danforth

    how does one flush out rust from block?

    All marine blocks using raw water cooling have rust in them However I'd you want to flush it. Mix up some oxalic acid and fill the water jacket up. Let sit for 3 days. Flush with water Repeat
  18. Scott Danforth

    1980 14 ft Mirrocraft 4 stroke repower

    With minimal maintenance that 2-stroke 40hp will outlast a 4-stroke. I would simply do the water pump maintenance and go thru the motor you have
  19. Scott Danforth

    1980 14 ft Mirrocraft 4 stroke repower

    The boat is rated for 45hp. Grew up with same boat (older ) with a 50hp Merc I would look for no less than a 40hp
  20. Scott Danforth

    1986 Mercruiser 470 dist cap and rotor

    None It's a distributor custom designed for the Mercruiser 470
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