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  1. Scott Danforth

    Circa 2008 4.3 GXi (SX-A) Possible to increase power/performance?

    you cant squeeze any more juice from a 4.3 without a supercharger...... the motor is currently on the very edge of reversion and detonation and no way to get more naturally aspirated power out of it. and for the price of a supercharger, you can sell your current boat, buy a bigger one with a...
  2. Scott Danforth

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    Makes sence. Woodward makes governor modules when the motors are used as powergeneration. its been a long time, I doubt any of my old woodward contacts from 17 years ago are still around. will dig into the stack of business contacts (old-school book of business cards) tomorrow
  3. Scott Danforth

    Mercruiser 5.7L with low voltage to coil

    MSD generally is referenced as "My Spark Disappeared" in the pits
  4. Scott Danforth

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    both are General Motors truck motors, blocks, heads and rotating assemblies. from there Indmar bolts on their intake manifold, their exhaust manifolds, all their accessories, etc. they may also spec a different cam. Mercruiser gets the same General Motors truck block, rotating assembly...
  5. Scott Danforth

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    you could be chasing a ghost where the onboard (ECM) sensing circuit has a bad component
  6. Scott Danforth

    Slow plane at high altitude 5.0L MPI, please help

    foils do nothing except lighten your wallet and add drag.
  7. Scott Danforth

    Last American Eagle II ever made??

    BTW, boats after september are the next model year. however your HIN will have the year of manufacture
  8. Scott Danforth

    Volvo Penta | Power Steering Hose Size

    should be 3/8" (10mm) pressure line will be 1200 psi or higher line. best obtained from hydraulic shop and custom made return line is 50 psi return line, available in bulk from any NAPA
  9. Scott Danforth

    Last American Eagle II ever made??

    90% of boat companies over the last 100 years made 5 boats or less. Doesn't make them special. Your 1984 boat is 39 years old. It has value to you and your dad for sentimental reasons However as roscoe stated, if there were records, they have long ago been tossed
  10. Scott Danforth

    Slow plane at high altitude 5.0L MPI, please help

    You are down almost 20% on power from altitude 3%/1000 ft Ditch the foil Check compression ,(should be 150 psi on all cylinders,) Check fuel pressure,(43psi) Verify your tach Your drive should be 1.62 at that elevation
  11. Scott Danforth

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    Time to pull the motor, get it on a stand and pull the pan. If the crank is moving 1/2". You have serious issues
  12. Scott Danforth

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    First, normally there is an interference fit between the crank and damper Second, the bolt in the end of the crank would hold the damper tight Are you missing the bolt. If so, replace the damper, inspect the crank snout, replace the bolt You may have the outer ring moving in and out, which...
  13. Scott Danforth

    Recovering Boat Seats

    On a typical new boat, the upholstery is about $6-8k. Some larger 42-55 foot center console boats, the OEMs pay $20-$30k for deck, cabin and upper station. There is a lot of labor that goes into upholstery Kudos for doing the work yourself. Vinyl, foam, thread and staples will cost about...
  14. Scott Danforth

    Help! 2nd Fuel Line Failure

    Merc gets their hoses off-shore. I would go to a hydraulic hose shop and get custom hoses made
  15. Scott Danforth

    recommended sealant for below water (aluminum boat)

    Use 4200 UV Use stainless bolts
  16. Scott Danforth

    Mercruiser 5.7L with low voltage to coil

    Year or serial number If you have points, the resistor wire If not, bad connection
  17. Scott Danforth

    Standard vs metric

    Flat tappet is 1985-1987 However NOT metric
  18. Scott Danforth

    Gas cap replacement

    Since there are no standards for fuel fill. You have to find the exact one. Or just buy a different one
  19. Scott Danforth

    2-cycle gas

    e10 does a better job of cleaning combustion chambers than oil does.
  20. Scott Danforth

    2-cycle gas

    I wouldnt. the oil in the 2-stroke does not play nice with your catalytic converter.
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