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  1. Scott Danforth

    120 mercruiser no power on acceleration

    Also, what is your compression numbers?
  2. Scott Danforth

    290aq with 5.7. Engine/drive “dry rubbing” noise at idle

    Pull the drive and look
  3. Scott Danforth

    120 mercruiser no power on acceleration

    Check the accelerator pump
  4. Scott Danforth

    89- 5.8l OMC with Holley 4160 flooding problem

    I just rejetted my holley carb in about 20 minutes. Holley carbs are easy to work on
  5. Scott Danforth

    Fuel filter have relays or fuses?

    They ate not hidden. Fuse and relay are clearly marked in the electrical schematic in the manual. I believe also on the cover of the fuse block
  6. Scott Danforth

    Stuck Valve/Cracked Head/Cracked Block

    I would do a leakdown test first, that will tell you what is wrong prior to pulling the head
  7. Scott Danforth

    Stuck Valve/Cracked Head/Cracked Block

    Your boating season is done. If there is a hole in the piston, wont take long before block fills with enough fuel vapor to blow up
  8. Scott Danforth

    Draining The Oil On My 470?

    Dos ceveza por favor
  9. Scott Danforth

    Should my boar carb idle act like a car carb?

    You need to set the choke just like a 1970s truck. You need one full pump forward to prime and allow the choke to close. The throttle needs to be partially open as there is no fast idle cam. Then as you are running, the toaster element in the choke slowly opens the choke Your hot flooding...
  10. Scott Danforth

    Should my boar carb idle act like a car carb?

    No, there are no fast idle cams on boat carburetors. Thus is done for a reason How are you setting the choke?
  11. Scott Danforth

    Volvo Penta 4.3GL-C bogs and surges when hot

    I would pull the carb and spend the $40 on new gaskets and go thru the carb
  12. Scott Danforth

    HIN & MIC

    GIBSON BOATS MIC: GBP Status: Inactive Company: GIBSON BOATS Company Official: BRUMMET III, BILL DBA Parent MIC: Past Company 1: GRUMMAN BOATS INC (OOB) Past Company 2: MARATHON BOATS Past Company 3: GRUMMAN ENERGY SYSTEMS...
  13. Scott Danforth

    HIN & MIC

    GBP GIBSON BOATS 130 DAVIS STREET PORTLAND TN
  14. Scott Danforth

    Volvo Penta 4.3GL-C bogs and surges when hot

    well, the crud that was in your tank is now in your anti siphon, fuel pump and carb. that 1/4 tank of varnish sludge got broken up into floating bits of crud by you adding isopropyl alcohol. then you added good fuel to that to have a tank full of floating crud fuel. check the strainer in the...
  15. Scott Danforth

    Dump gun set up gelcoat

    yes think of trying to spray pudding. that is what gel is. to get it to spray, you have to thin it to at least the consistency of store bought gravy
  16. Scott Danforth

    Red Tide

    youre right, for some reason I called it Whiskey D's...... LOL could be confusing it with Joey D's chicago pan pizza
  17. Scott Danforth

    Dump gun set up gelcoat

    cant get much larger than a 26 foot boat dump guns are finicky and you have to have experience with them to get them dialed in. temperature and humidity are two things that effect settings. you most likely will need the duratec additive. and yes, while gel is expensive at $20 a quart, its...
  18. Scott Danforth

    Boat Manual

    those are the mercruiser manual numbers you can buy new from here https://publications.brunswick.com/ or you can buy used on fleabay and if you did not get rid of adobe flash, you can still view them in here. https://boatinfo.no/lib/library.html
  19. Scott Danforth

    Engine rotation

    If you have an I/O, you have standard rotation
  20. Scott Danforth

    Dump gun set up gelcoat

    to get consistent spray, I needed to add the Duragloss 904 additive I used this gun. https://www.amazon.com/Vaper-HVLP-Spray-Gun-Plastic/dp/B000BTJALA/ (same gun my local fiberglass retailer has for double the cost) set at 45 psi at the gun you still need to sand and polish, however it came...
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