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  1. Scott Danforth

    350 Magnum Tournament Ski spark plugs

    with 3 bad cylinders on the same bank, the exhaust manifold has been leaking and the exhaust ports are rusted. at a minimum, pull the exhaust and look. maybe time to pull the motor, get it on the stand and do a tear down.
  2. Scott Danforth

    1980 Avenger weight and hp rating

    first, welcome aboard. second, the band-aid plate on the transom is because the transom is most likely rotten. also check the floor and the hull core. these boats were known to rot. Third. read this...
  3. Scott Danforth

    Trim up doesn’t work when on plane

    hydraulic cylinder seals last 15-20 years before they start leaking. your boat is 30 years old. the piston seals are most likely bypassing, hence the reason it wont hold load. the rod seal and wiper or the gland seal is most likely leaking, causing the milky fluid
  4. Scott Danforth

    Trim up doesn’t work when on plane

    Most likely the cylinder seals need to be replaced
  5. Scott Danforth

    Unusual Bilge pump power issue

    Check the ground buss
  6. Scott Danforth

    Stripped threads on carburetor

    You will never get an NPT fitting to seal. I wouldn't chance a hokey repair. In a car, if you have a fuel leak, you just loose fuel. Possible chance of fire. In a boat, a fuel leak means you meet Jesus in a million burning pieces
  7. Scott Danforth

    Mercruiser 2.5 ticking sound

    There should be no axial or radial movement of the distributor shaft within the housing
  8. Scott Danforth

    Flushing out cooling system after sucking in mud

    Bravo pump and your 6.2 need more flow than your 5/8" hose can provide
  9. Scott Danforth

    Upgrading Merc A1-G1 Oil Pressure Light with an actual oil pressure gauge.

    do not confuse the oil pressure switch you have with a gauge sender.
  10. Scott Danforth

    Upgrading Merc A1-G1 Oil Pressure Light with an actual oil pressure gauge.

    your oil pressure light uses an oil pressure switch. with no oil pressure, the switch is closed. when your oil pressure is above 7 psi, the switch opens. the switch provides ground to the light. the two wires coming out of the light do not matter with incandescent lights. one goes to the...
  11. Scott Danforth

    Accumulated parts I'd like to part with.

    THT, Scream and Fly, Boat Design all have classified sections. I believe you have to be an active forum member on the forums. racingjunk has a boat section. the issue with facetube marketplace is the add is active only for a very short time. Craigslist works, however you get 30 scams to...
  12. Scott Danforth

    Flap bennet issue

    the whole system is less than 800€ the pump is about $200 USD (~ 175 euro) contact them directly. dont try to buy thru the multiple middle dealers adding their margin on it. amazon even lists the V351HPU1 https://www.amazon.com/s?k=bennett+v351hpu1
  13. Scott Danforth

    Stripped threads on carburetor

    no way to safely drill and tap for an SAE J512 port without the proper port tools and tap, especially in a zinc carburetor body
  14. Scott Danforth

    Flap bennet issue

    the whole Bennett power unit isnt that much money. I would just replace the whole thing. the motor and pump combination were not intended to be serviced, hence the epoxy.
  15. Scott Danforth

    Stripped threads on carburetor

    seriously, If I was going to swap a carb on a 4.3, it would be for a 600 CFM 4-barrel to get a bit extra power.
  16. Scott Danforth

    Stripped threads on carburetor

    the issue is the split-top 500 CFM carb was used for only a very very very short time and was replaced with the much less expensive 2300 which shared so much with the 4150 there is one on ebay. https://www.ebay.com/itm/266999246488
  17. Scott Danforth

    Stripped threads on carburetor

    I would get a new carb. if it was a holley 4150/4160/2300 series, a new bowl would be all you need. no need to be more than one finger on the wrench to tighten an inverted flare fitting. that little screen in there does nothing. it has a rating of 150 micron. which means that large chunks...
  18. Scott Danforth

    What Brand of Brake pads are best quality? What do you guys use for quality?

    do you care about stopping more or not causing brake dust as much. if you want maximum stopping power, you are looking at semi-metallic brake pads. down sides is they wear the rotor more and squeak if you want minimal dusting, ceramic pads. less braking force than semi-metallic, minimal...
  19. Scott Danforth

    Mercruiser 2.5 ticking sound

    check the dizzy for worn bearings. its $13 worth of bushings from NAPA
  20. Scott Danforth

    Engine Swap

    you mean you banged on it with a hammer? wont sound hollow for a good decade after the wet rotten wood completely dissolves , then dries out or is eaten by insects in order to leave a void. assume any boat hull over 15 years old to have issues until proven otherwise.
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