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  1. Scott Danforth

    90HP Mercury pushing 24' pontoon

    If you want speed, buy a planing hull. Pontoons take lots of power to go fast If you want fuel economy, just putt along or get oars or a sail A 4-stroke OB will burn about 0.45# of fuel per HP per hour. So 0.45 x 100hp (crank, not the 90hp at prop) x 1 hour will be in the neighborhood of 45#...
  2. Scott Danforth

    5/8" barb fuel tank vent fitting?

    Use narrower clamps
  3. Scott Danforth

    Frustrated with shift/throttle

    Pull the shift cover off the drive to see if the linkage is moving If it's moving, you could have burned cone clutches or a sheared shaft coupler
  4. Scott Danforth

    Oil Analysis Poor Sample

    Agree with @Lou C . Look for salt water and fuel How old are the manifolds and risers?
  5. Scott Danforth

    Fat Guy Seat for 12' Trolling boat?

    The TACO Boca seat is heavy. Easily 75#. It was targeted for weight reduction before I left. A 12' boat usually has max weight capacity of 400#. Put a 280# guy, a 75# seat some fishing gear and anchor and the motor must be left on the dock
  6. Scott Danforth

    Quick question on steering actuator

    Have a helper in case you get stuck back there
  7. Scott Danforth

    97 SeaRay 175 project boat hull weeping question

    I used 6 500# ratchet straps to lift my cap
  8. Scott Danforth

    Quick question on steering actuator

    I would pull the motor myself to get room
  9. Scott Danforth

    Grady transom repair

    if you had termites, you are in for a full re-hab as those wood eating little things have eaten your stringers, etc. as well.
  10. Scott Danforth

    4.3 vortec to mercruiser conversion

    And most importantly what are your power goals?
  11. Scott Danforth

    My boat is being a boat . . .

    Ted, you have to ask yourself....... since the sensor used by Mercruiser looks remarkably the same as a GM oil pressure sender...... are the wetted components compatible with salt water? I have yet to find a sensor in the catalogs from BWD or SMC that is salt water compatible...
  12. Scott Danforth

    1997 Mercruiser 5.7 EFI blown head gasket

    or fire-slotted block. or cracked head time to pull the heads
  13. Scott Danforth

    4.3 vortec to mercruiser conversion

    The 4.3 has always been on the raged edge of reversion and detonation with a stock can If you want more power, go with vortec heads and a 4-barrel What vintage is your current motor What vintage is the vortec motor Is the vortec motor a truck motor or a marine motor?
  14. Scott Danforth

    J1171 Marine Trim Pump issue

    BTW, SAE J1171 is the standard that governs marine electrical components That is a parker oildyne pump
  15. Scott Danforth

    Anode in heat exchanger

    Loctite to hold the anode pencil to the NPT plug Either tape or paste as the threads will cut thru the sealant
  16. Scott Danforth

    Odd Overheating Issue in Exhaust of one of my 5.7L 350s

    Ok, we know you are posting in the Mercruiser section, so we assume twin Mercruisers You have twins with fiberglass mufflers, do going to assume inboards Beyond that, the inboard SBCs for the past 65 years have had multiple different cooling systems. High temps is low water flow What year...
  17. Scott Danforth

    89 180 Horizon w/ 4.3 OMC

    Get another 1987-1990 4.3 short block and heads.
  18. Scott Danforth

    Located my old family’s boat one week too late

    nothing like boats from our child hoods. maybe the new owner has buyers remorse and you can chase it down
  19. Scott Danforth

    No Redline

    you have to get the engine manuals from Mercruiser. http://publications.brunswick.com/ regarding your motor, 4600-4800 RPM. However I would not have a problem turning that motor 5000 RPM
  20. Scott Danforth

    No Redline

    look at the factory literature for your motor (we do not know what you are working on). that motor will have a WOT window of X RPM to Y RPM
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