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  1. Scott Danforth

    Replacing Thru hull ...size??

    Common sizes are 3/4 and 1-1/8"
  2. Scott Danforth

    Bilge drain tube suggestions

    The 5200 cant hurt, think of it as belt and suspenders
  3. Scott Danforth

    1984 Glasstream Hydrabass 17ft

    That looks like its thru the glass and to the foam
  4. Scott Danforth

    Bilge drain tube suggestions

    The expansion mandrel is what seals the tube to the transom
  5. Scott Danforth

    Gas hose size 4 hp 1972 Evinrude

    5/32 is also 4mm
  6. Scott Danforth

    1996 OMC Cobra 5.8 FSI Ford engine doesn't rev over 4000 rpm

    Check the RPM with a shop tach. You may be spinning faster than your tach is showing and you may be hitting the rev limiter
  7. Scott Danforth

    Bilge drain tube suggestions

    They make brass, aluminum and stainless
  8. Scott Danforth

    3.0 mercruiser i/o

    And oranges are not apples Your point is what? Fiel injection relies on a high pressure pump, a throttle position sensor, a map sensor, a bunch of data tables and an ecm to enrich the mix during a throttle open event A carb relies on a small diaphragm in the fuel bowl connected to the...
  9. Scott Danforth

    Vibration at low speed

    Make sure its running on all 6 cylinders. Chassed a similar vibration issue on a buds boat, turned out to be a bad plug wire
  10. Scott Danforth

    Restoring a chaparral 187XL

    keep in mind the Chap is almost 38 years old (the M/Y 2023 boats are being set up now) how is the transom and stringers? many of the 187XL's came with the Merc 470 (3.7 liter). what motor do you have?
  11. Scott Danforth

    3.0 mercruiser i/o

    the main question is why would anyone want to add a leak point or the potential to take out a pump such as a shut-off valve to a fuel system? simply using the boat once a month will keep the carb full of fuel and keep varnish at bay. the anti-siphon valve prevents any fuel from continuing to...
  12. Scott Danforth

    Tracking down and repairing leak in aluminum hull (starcraft islander)

    any water leaking in is a leak. the leaks you found in post #1 can push a lot of water into the hull when you are on plane additionally, if the engine is leaking, that will add water to the bilge. yes, a missing rivet can leak a lot of water. damaged keel sealing can leak. to seal with...
  13. Scott Danforth

    Vibration at low speed

    do you pull the drive every year, inspect the gimbal, u-joints and alignment?
  14. Scott Danforth

    1984 Glasstream Hydrabass 17ft

    none of the fiberglass boats from the 80's were made very well. no mater what the brand was or if it was a canoe, bass boat, bow rider, cuddy cabin or express cruiser. they all have issue people had disposable income, they bought a lot of boats. boat makers slapped them together as cheap as...
  15. Scott Danforth

    3.0 mercruiser i/o

    using a shut-off valve and trying to run it out of fuel will kill your fuel pump unless its an electric pump and you simply turn off the power to it. however trying to run an engine driven mechanical pump against a closed inlet will result in a torn diaphragm
  16. Scott Danforth

    Chris Craft - Which should i purchase

    being 25 to 28 years old, both these boats are going to be far from perfect, unless they were in a vacuum sealed temperature controlled capsule your post #1 and post #2 conflict. in post #1 you call one a 1997 and the other a 1992. in post #2, you state that both are 1997. 5 years is a big...
  17. Scott Danforth

    1984 Glasstream Hydrabass 17ft

    welcome aboard. being a 38 year old boat means is 2.5 x older than its design life you bought it as a project. expect a full hull restoration for the following reasons: you bought it as a project its a boat built in 1984 making it 38-39 years old when it was designed to last 15 its a...
  18. Scott Danforth

    3.0 mercruiser i/o

    the valve is not needed do not install a bulb the crud in your tank (water, etc) is what will clog up your carb. not using it often just lets the fuel in the carb evaporate which accelerates the debris in your carb to harden in the passages.
  19. Scott Danforth

    1988 searay Seville cuddy cabin. Is it a good boat?

    2.0 to 2.125" total thickness. The wood is 2 pieces of 3/4". However i suggest you do some test drills into the stringers. I guarantee you will find more rot. You will also find the flotation foam is saturated with water
  20. Scott Danforth

    Volvo Penta 3.0 GL RPM gauge not reading correctly

    most likely crud on the multi-fit selector switch like Bondo mentioned. it may also be set to 8 cylinder vs 4 cylinders
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