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  1. Scott Danforth

    link or screenshot of cumming engine wiring

  2. Scott Danforth

    1970 River Queen Houseboat new owner here!

    I suggest reading the USCG boatbuilders handbook. It will cover all the requirements of every system in a boat from fuel system to ventilation to wiring to lighting.
  3. Scott Danforth

    Evinrude 115Hp V4 Project Rebuild / Repowering a Fourwinns Fling Turbo jet boat

    Nearly all of the 90s jet boat hulls are balsa cored. This gave them strength and light weight vs a solid hull Some boats today still use balsa core on decks The area you have circled on your pic looks like part of the core is exposed
  4. Scott Danforth

    link or screenshot of cumming engine wiring

    There is a 16 valve 4BTAA at 250hp
  5. Scott Danforth

    Evinrude 115Hp V4 Project Rebuild / Repowering a Fourwinns Fling Turbo jet boat

    the concern is that if the balsa is wet, it cant be dried. it can be removed, however that requires removing the skin from the inside of the boat hull or the exterior of the boat hull. I scrapped a really nice Hydrostream because the balsa core was wet and rotting and turned down a free...
  6. Scott Danforth

    Evinrude 115Hp V4 Project Rebuild / Repowering a Fourwinns Fling Turbo jet boat

    I would clean that up and check for moisture
  7. Scott Danforth

    Evinrude 115Hp V4 Project Rebuild / Repowering a Fourwinns Fling Turbo jet boat

    make sure you check the hull for moisture. the balsa cored hulls have a tendency to soak up water like a sponge. especially around the get unit.
  8. Scott Danforth

    Merc 470 modifying water pump seal problem

    with coolant drained. pressure test with automotive coolant system pressure test. it should hold 15 psi indefinitely. if it doesnt hold pressure, listen for the hissing
  9. Scott Danforth

    link or screenshot of cumming engine wiring

    Cummins had many itterations of the 6B Is this a 12 valve or a 24 valve If you get me a serial number, I can reach out to get you a generic installation wiring diagram
  10. Scott Danforth

    1987 Power Play XLT-185 - floors, stringers, and upholstery

    You are not using enough water Think soaker hose. I have used a waterbug sander in the past (has a hose pickup) However having a spray nozzle on mist over your shoulder and spraying on your work surface works The water is a lubricant and rinse agent at the same time And yes, you get wet
  11. Scott Danforth

    Merc 470 modifying water pump seal problem

    Did you replace the impeller in the drive? If you did, did you find all the impeller pieces? Did you clean the tube side of the HX? What brand of headgasket? Did you check the head for straightness and flatness? Did you pressure test the cooling system before filling?
  12. Scott Danforth

    Merc 470 modifying water pump seal problem

    I believe there are two sleeves that get installed
  13. Scott Danforth

    Merc 470 modifying water pump seal problem

    Sierra gasket (leaks) or mercruiser? Has it overheated since you replaced the head gasket? if so, it may have been spit out again. do you have the updated (larger) HX? the 470 was an ok concept with a ****-poor execution the things that are bad iron head on aluminum block (two totally...
  14. Scott Danforth

    Old ford 302 no spark

    Check if your fuel pump diaphragm ruptured
  15. Scott Danforth

    Merc 470 modifying water pump seal problem

    If you had any overheat. Change the head gasket
  16. Scott Danforth

    Old ford 302 no spark

    a compression test will tell you if you have a stuck valve stuck valve makes a puffing sound out of the intake or exhaustwhen running at idle hard knocking is from a bearing getting pounded from detonation, or a bearing getting destroyed from lack of oil soft knocking can be from a bad plug...
  17. Scott Danforth

    Merc 470 modifying water pump seal problem

    or pull the cam out and re-weld the groove in the snout, grind it down and flame harden / carburize the snout. speedi sleeves are faster and cheaper.
  18. Scott Danforth

    1987 Power Play XLT-185 - floors, stringers, and upholstery

    if you switch to Aquabuff, you should only need to wetsand to about 800 grit, then compound with Aquabuff, then finish off with FinessIT however, 500 grit to 1000 to 1200 to 1500 should not see marks unless the paper gummed up and you are dragging a gel-booger. I did mine with a pneumatic DA...
  19. Scott Danforth

    57 Golden Javelin

    Most of the folks knowledgeable in older motors are not on facetube also goes with old trucks, old cars, etc. (ie Stovebolt, H.A.M.B, etc) However you are now here at the worlds largest DIY boat community. Welcome aboard If starting manually, start in the start position with the gear lever...
  20. Scott Danforth

    Cannot find a drain plug to fit new drain tube installed in transom/bilge

    did you expand the tube (required installation step) look up transom drain tube flaring tools.
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