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  1. Scott Danforth

    1977 302.

    Why? Mechanical pump is superior to electric pump and half the cost A set of points will last you decades with a bit of maintenance. The pertronix conversions have had issues
  2. Scott Danforth

    Mercrusier 350 MAG MPI - RPM issue under a load

    Measure the stroke. A stock stroke will be 3.48". A 6.2 liter will have a 3.75" stroke Rocker arm ratio will also be 1.6:1 vs 1.5:1
  3. Scott Danforth

    Almost Sunk… where do I start to salvage boat

    Pull the drive, salt water will be in the bellows Get the motor running Pull starter and alternator and pull them apart, clean them, oil them and you may be able to save them
  4. Scott Danforth

    Carburetor Issues, Dripping Carbs...

    Remember Sierra is not OEM, however will-fit aftermarket. Normally sourced off-shore
  5. Scott Danforth

    Coupler can't find one

    Coupler or drive plate
  6. Scott Danforth

    Mercruiser 233 Overheating--Out of Ideas

    Are you running the boat on muffs or is it in the water? Hope you are not trying to suck up from a bucket
  7. Scott Danforth

    Mercrusier 350 MAG MPI - RPM issue under a load

    Your original motor was most likely a 6.2 (and yes the block will be a 5.7 block) The 6.2 ECM will dump more fuel
  8. Scott Danforth

    Mercrusier 350 MAG MPI - RPM issue under a load

    For every blade you add, you are adding about 2 inches of pitch 4-blade 18p = 3-blade 20p
  9. Scott Danforth

    Almost Sunk… where do I start to salvage boat

    Get the motor started and running ASAP You need to figure out where the water was coming in from
  10. Scott Danforth

    1977 302.

    That is up to you. Best power adder is to run the motor as is, enjoy the boat and then build a 383 and go that route I wouldn't waste spending $2500 on a cam, heads, intake, and carb for the ford motor to get 240hp when you can spend $3500 on a 383 and get 330-350hp
  11. Scott Danforth

    Cause for new exhaust bellows failure?

    Start at the thermostat housing that feeds the manifold
  12. Scott Danforth

    Preferred method to fog a Cat equipped engine?

    Move to where you can boat all year long
  13. Scott Danforth

    Starting outside of boat, on stand

    Zero lash is the lack of any vertical movement (not ability to turn pushrod) Then 3/4 turn
  14. Scott Danforth

    Mercruiser 233 Overheating--Out of Ideas

    Removing the thermostat actually makes things worse. Check your raw water flow rate Check the manifolds for rust
  15. Scott Danforth

    1977 302.

    I would run the ford until it's dead, then sell the V6 and Ford parts and get a 5.7
  16. Scott Danforth

    Carburetor Issues, Dripping Carbs...

    Your diagnostic measures should be to measure fuel pressure to ensure it's not above 7psi
  17. Scott Danforth

    IAC problems

    Old IAC could have been totally open. New IAC could have been partially open. There are 4 wires 2 are hi, 2 are low (ground ref) IAC should move to close with key on and engine is over 100F
  18. Scott Danforth

    Cause for new exhaust bellows failure?

    If there is any blockage on the side that blew. There would not. E enough cooling water and the exhaust goes from 220F to 900F
  19. Scott Danforth

    Carburetor Issues, Dripping Carbs...

    And what is your fuel pressure?
  20. Scott Danforth

    A disaster waiting to happen

    More common than you want to believe
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