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  1. Scott Danforth

    Tachometer bouncing

    Use a shop tach to verify. You may have timing issues causing detonation causing the rattle you hear
  2. Scott Danforth

    Larson restore

    Is it a pertronix unit?
  3. Scott Danforth

    Mercruisier 7.4 litre gas pressure

    Carter made the fuel pumps. Airtex owns Carter Stay away from chineseum brands you can not pronounce
  4. Scott Danforth

    Volvo Penta V8-430-CE-M Overheating

    Check for blockage in the power steering cooler
  5. Scott Danforth

    Live well will not drain

    Trace the plumbing and replace the broken plastic bits
  6. Scott Danforth

    Melted coil feed wire = Bad Pertronix?

    I have never had good luck with pertronix. YMMV
  7. Scott Danforth

    5.0gxi-gf circulation pump pulley bolt size??

    Unless it's flanged head fasteners, then it's 7/16 or 1/2
  8. Scott Danforth

    5.0gxi-gf circulation pump pulley bolt size??

    SBC water pump pulley bolts are 5/16-24
  9. Scott Danforth

    Cracked beam an issue?

    Check your local radiator shop. Most do aluminum welding cheap
  10. Scott Danforth

    OMC 4.3 Water Temp Gauge went to zero after reaching 220..

    Just an FYI, any surface over 200f is considered an ignition source.
  11. Scott Danforth

    OMC 4.3 Water Temp Gauge went to zero after reaching 220..

    Stop thinking automotive. 140 degrees for a raw water cooled carbureted motor 160 degrees for a heat exchanger cooled motor with a carburetor, or EFI and raw water cooled 180 degrees for heat exchanger cooled EFI Anything over 170 on a carbureted marine motor is an overheat Raw water...
  12. Scott Danforth

    OMC 4.3 Water Temp Gauge went to zero after reaching 220..

    Anything over 170 is an overheat Going to 220 man's that you have no water flow from the impeller Do an impeller job, pull the drive and do an alignment check, etc Do not run the boat until you fix the raw water pump Do a compression test. An overheat usually collapses the pistons You will...
  13. Scott Danforth

    Broken Skeg Tip...Repairable?

    Leave it or have the tip welded back on.
  14. Scott Danforth

    New at this need help

    Look it up by part number
  15. Scott Danforth

    Cracked beam an issue?

    Not welding and the hull will crack and you will have a leak or worse, sink
  16. Scott Danforth

    Aftermarket Pulleys?

    The pullies are available from GM industrial motors. However, depends what is wrong with your current pullies. New pullies will rust as the issue is the cheap paint I recommend restore vs replace
  17. Scott Danforth

    Cracked beam an issue?

    Have the cracks welded
  18. Scott Danforth

    Aftermarket Pulleys?

    Would help to know what motor. If you just have rust. Just blast your current pullies and paint them
  19. Scott Danforth

    Buying an alignment tool?

    eBay is fine. Dimensions in the stickies
  20. Scott Danforth

    Half closed loop system question

    The alpha pump is ok for a half system
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