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  1. Scott Danforth

    Mercruiser 5.7 won’t make power

    Stock GM marine cam specs 202 duration intake 214 duration exhaust 395" lift intake 404" lift exhaust 112 lobe separation
  2. Scott Danforth

    Mercruiser 5.7 won’t make power

    Do the calcs, this cam has too much overlap to be used as a marine cam. It's a hotrod cam
  3. Scott Danforth

    Mercruiser 5.7 won’t make power

    Unless you abandon wet exhaust and run jet boat headers, that cam has too much duration. 270 degrees is the max duration for wet exhaust
  4. Scott Danforth

    Transmission Woes in Vintage Mercruiser

    I would buy new cables and follow the manual on adjustment. cables stretch slightly, however mostly the inner sleeve wears and the throw is not the same. being that your boat is 60 years old, you should be moving to the 5th set of cables by now as they last about 15 years.
  5. Scott Danforth

    DIY Audio Alarm System

    I run an oil pressure switch and water temp switch to the ground side of my buzzer/light and a silence switch to the positive side. no relays, etc
  6. Scott Danforth

    Not priming. Volvo penta 5.0 gi

    first, welcome aboard second, is fuel getting to the pump? or do you have a blockage or issue up-stream from the pump
  7. Scott Danforth

    Transmission Woes in Vintage Mercruiser

    you know that big old hole should not be in the front of your drive, right. that is freeze damage also, your shift cables are woefully out of adjustment
  8. Scott Danforth

    2012 Bayliner.. Docked my boat for 24hrs and came back my engine and boat filled with water!! Whyy, please help.

    welcome aboard sorry to hear what is the condition of your bellows? if they were leaking, all bets are off could have been a wave could be bad plastic thru-hull fittings could be damage to the boat hull itself is this fresh water or salt water? either way, we cant see your boat. however in...
  9. Scott Danforth

    Milky oil

    pull the manifold, look for evidence of rust trails from the manifold leaking water
  10. Scott Danforth

    Volvo dp-sm outdrive lower stuck

    welcome aboard. most likely the 4 studs are corroded in the holes you will need more than just an eye bolt in the dipstick hole to hang it. maybe bolt it back onto the boat, then use a leather faced mallet. once you get the halves to start to move, you can drive plastic wedges in between
  11. Scott Danforth

    burnt coil wire MerCruiser 140

    start with new points and condenser
  12. Scott Danforth

    new 5.7 1987-1996?

    New engines are GM crate motors
  13. Scott Danforth

    Deck cleat question

    I would use white oak myself. PVC has no strength
  14. Scott Danforth

    new 5.7 1987-1996?

    Edelbrock marine and Volvo manifolds come out of the same Barr casting boxes. Both available with dual alloy. One says Edelbrock, one says Volvo
  15. Scott Danforth

    94 Cobia 5.7 Chevy/Yamaha setup

    4.3 in a boat is at edge of reversion stock ....forget the "tricks" that work on a car. The whole wet exhaust and constant load require you to think differently for a boat The 4.3 stock will work just fine
  16. Scott Danforth

    Are Boston Whalers as prone to waterlogging as other boats?

    once the foam is saturated with water, it is no longer unsinkable and you can not dry the foam out. weigh the boat. I can tell you that a new whaler will weigh within 5# of the spec weight as delivered dry (based on weighing tenders for use on a yacht)
  17. Scott Danforth

    Trailer bearings wear out ultra quickly.

    yes, this is the one measurement that is a bit more important than the other 2. this is where your leaf springs ride. if you can weld, you can weld in new spring perches
  18. Scott Danforth

    Mercruiser 5.7 won’t make power

    how does the cam look? if you need a new cam and lifters, suggest roller cam and simply tap the 3 bosses for the lifter spider
  19. Scott Danforth

    Ordering Parts in Canada

    BRP dropped it and it's now defunct
  20. Scott Danforth

    OMC 5.7. Totally frustrated

    As points wear, your dwell and timing change
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