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  1. Scott Danforth

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    call indmar with your serial number measure the stroke. 3.48 is stock 350 cubic inch. 3.75" stroke is 377 cubic inch. add .030" oversized pistons and you get 383 cubic inch if you have to build a stroker shortblock, get a new crank. have the local engine machine shop inspect the rest. if...
  2. Scott Danforth

    Volvo Penta Cobra SX repair

    Throw the seloc manual away and get a factory manual You have to rebuild the whole drive. Grenaded parts from the top make it to the bottom It would be cheaper and faster to find a different drive
  3. Scott Danforth

    Hole shot, Mercruiser 4.3L

    Understanding leverage and fulcrums when pulling a skier with a butt heavy sterndrive Try adding weight to the bow I put 3 people in the bow of the Avanti with the anemic 3.0 to get my fat butt up. The weight forward of the fulcrum point of the hole helps counteract the load from the skier to...
  4. Scott Danforth

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    I would be building a stroker
  5. Scott Danforth

    Sport Jet 175 x2 with low compression

    here you go 8 in one adjustable gap tester https://www.amazon.com/CDI-Electronics-511-9766-Enclosed-Adjustable/dp/B002IZFSSO/ the single that I have been using for decades https://www.lislecorp.com/specialty-tools/ignition-spark-tester your manual will tell you specifically the minimum gap...
  6. Scott Danforth

    Anchoring question

    BTW, my boat is 26 feet, my anchor has 8 feet of chain and only weighs 13#. no need for a 40# anchor if you get the right anchor on a calm day, you may only need a 3:1 scope on a windy day you may only need a 7:1 scope on a stormy day you will need the 10:1 so in a 60 foot depth, yes, you...
  7. Scott Danforth

    4,3Gi different fuel pressure?

    no reason not to tie it all in the same thread
  8. Scott Danforth

    Converting from vertical 2x4 to horizontal 2x6 bunks

    NO NO NO NEVER EVER use pressure treated anywhere near aluminum your in salt water. use cypres
  9. Scott Danforth

    Converting from vertical 2x4 to horizontal 2x6 bunks

    from the transom to the first rib in the boat under the seat. where 80% of the weight of the boat is.
  10. Scott Danforth

    Anchoring question

    1/2" Enough rode for a 10:1 scope
  11. Scott Danforth

    Hole shot, Mercruiser 4.3L

    Put the cooler in the bow, or 60# of weight like a sand bag.
  12. Scott Danforth

    Sport Jet 175 x2 with low compression

    Read the factory manuals on setting the carbs. I don't trust any video on youtube unless done by a trained mechanic A spark tester is a gap test. The spark must be able to jump a 3/8 gap
  13. Scott Danforth

    Overheating mercruiser 3.7l lx

    You will need to check
  14. Scott Danforth

    Sport Jet 175 x2 with low compression

    Should not need full throttle to start
  15. Scott Danforth

    Overheating mercruiser 3.7l lx

    Not without a seance, Don has been gone for many years now
  16. Scott Danforth

    Overheating mercruiser 3.7l lx

    150 F is almost to temp What is the max temp it gets up to? If it gets over 180f, then you have an issue If so..... Did you check the heat exchanger? New doesn't mean good. Did you buy it new from Monitor or Champ (the only two original manufacturers) Bypassing the raw water pump did two...
  17. Scott Danforth

    Sport Jet 175 x2 with low compression

    Run some ring free or power tune to see if your compression comes up Perform a link-n-sync Check for spark on all cylinders Use an ir thermometer to check for all cylinders firing
  18. Scott Danforth

    Gimble bearing question

    Call them. You could have gotten a bad bearing. It happens
  19. Scott Danforth

    Converting from vertical 2x4 to horizontal 2x6 bunks

    My fishing barge is nearly 65 years old and rides on its two original 2x4 bunks on edge that are only 3 feet long and 1 keel roller The boat has been towed a minimum of 30,000 miles that I know of, usually full of camping gear and fire wood Not sure what the issue is with your jon boat and why...
  20. Scott Danforth

    Hole shot, Mercruiser 4.3L

    move your spotter and beer cooler to the bow for skiing. have drive completely down for the holeshot and as it starts climbing, thumb up on the trim try that first
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