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  1. Scott Danforth

    Where to attach vacuum gauge to 3.0L?

    To adjust valves, 3/4 turn past zero lash Compression test and leak down test will tell you more than a vacuum reading
  2. Scott Danforth

    What is this guard around the valve spring?

    Are you using stock valve seals or upgraded? If using stock, use them. If using improved seals, you can eliminate them
  3. Scott Danforth

    Hydrofoil/Whale Tail Good or Bad

    I have brought in many boats to get broken AV plates welded
  4. Scott Danforth

    Where to attach vacuum gauge to 3.0L?

    Generally nowhere.
  5. Scott Danforth

    Nasty Cooling System - '93 Chevy Caprice

    If you mix orange and green AF, you get a brown sludge flush it
  6. Scott Danforth

    Urgent help - boat fell off trailer while backing down ramp

    Ouch. A1G2, most likely 1.62:1 ratio
  7. Scott Danforth

    Corsair 28 performance

    Boattest.com has a writeup
  8. Scott Danforth

    7.4 mericruiser thermostat good but still over heats

    when you drive the outdrive into the sand, everything from the raw water pump back to the drive is now impacted with sand, rocks, small crustaceans, etc. so backflush
  9. Scott Danforth

    What is this guard around the valve spring?

    as soon as you migrate away from wet exhaust, there is about another 50% more power in motors available without getting crazy
  10. Scott Danforth

    Are all Mercruiser 3.0 front sump oil pans the same?

    different pans for the1990 and older 2-piece RMS and the 1991 and later 1-piece RMS
  11. Scott Danforth

    What is this guard around the valve spring?

    for a 22 foot boat, not sure you need a pork chop motor. a 6.2/bravo would be a good mid 50's boat.
  12. Scott Danforth

    What is this guard around the valve spring?

    Yes. 2-piece RMS for a Mark IV, tin valve covers, Hi PO Pass and 454 cast on block 1-piece RMS for Gen V and VI Thin deck, 10 bolt timing cover, ribbed valve covers on Gen V. Unmachined fuel pump boss Thicker deck and 6 bolt timing cover, smooth valve covers on Gen VI. No fuel pump boss...
  13. Scott Danforth

    350 Chevy OMC stalls after warming up.

    Do you have points, if so, have you serviced them? Is your choke set right?
  14. Scott Danforth

    Outdrive corrosion?

    Looks like galvanic corrosion. Maybe get one of these while you are moored at the marina...
  15. Scott Danforth

    Fuel flow

    Hook up the inlet to a small fuel tank. Your anti siphon valve may be plugged, or the pump may have a ruptured diaphragm or the needle and seat may be stuck
  16. Scott Danforth

    What is this guard around the valve spring?

    Google 1 ton oil control sleeves and valve rotators. Common on Mark IV big truck motors such as RV Run the casting numbers
  17. Scott Danforth

    What is this guard around the valve spring?

    Your motor may have been changed. Depending on original application, they are most likely in the GM manual
  18. Scott Danforth

    Filling a termite ridden stringer

    There is no magic mechanic in a can that fixes motors There is no fiberglass repair in a can either. As AD stated cut out the bad, replace with new
  19. Scott Danforth

    2016 Mercruiser 6.2 ECT - long beep every few minutes???

    me munching on popcorn thinking that my neanderthal / troglodyte simple boat is easy to use.
  20. Scott Danforth

    Kinda Clueless in South Jersey

    usually boats are abandoned just because the motor or drive went.
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