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  1. Scott Danforth

    Ram cylinders

    Which vintage? Just get a seal kit and reseal Google 5 star marine
  2. Scott Danforth

    4.3 thermostat

    Get new manifolds
  3. Scott Danforth

    Where to Buy

    Valve cover gasket is same for the 2.5. Get a felpro rubber gasket for a 1962 chevrolet 153
  4. Scott Danforth

    Propeller

    You need to check your gauge or you have oil in each cylinder A new motor will have 150 psi. To get 175 psi, you would need to have a compreasion ratio of 12.5:1 (that is drag motor territory, boat motors are 9.4:1 or less)
  5. Scott Danforth

    350 mag 5.7l skipping

    Start with your fuel pressure, at idle, and under load Did you inspect the contents of the fuel filters?
  6. Scott Danforth

    Propeller

    First, welcome aboard A 19p would actually be fine if not underprop'd with a healthy motor? Start with a compression test
  7. Scott Danforth

    PCM no spark! HELP

    Did you plug in Rinda? Did you check the easy things like the MOB switch?
  8. Scott Danforth

    350 mag 5.7l skipping

    Most likely fuel system related
  9. Scott Danforth

    Can a 2020 CRV AWD tow a Crestliner 1650 SE WT

    Ok, so start with the full tow weight of 1500# and set realistic expectations of what you can buy A 14 foot utility boat with a trailer, 15 hp motor, 12 gallons of fuel, battery, depth finder, oars, 2 anchors and moderate fishing gear gear is about 1500#. I know, because I recently weighed the...
  10. Scott Danforth

    4.3 thermostat

    Advantage: none Disadvantages: Improper cooling (water flow can not be regulated) Engine does not come up to temp. This causes the following: Poor running Increased wear Acid build up in oil Condensation in oil doesnt burn off
  11. Scott Danforth

    Larson Cabrio 220 Shower Pump/Water in Cabin

    Just an FYI The boat builder probably didnt have a schematic, much less published to the public. Most of the boats in existence are made in the prototype shop, then documented with a "build book" for production which is a bunch of photos and some sketches and notes
  12. Scott Danforth

    Can a 2020 CRV AWD tow a Crestliner 1650 SE WT

    The CRV isnt a good tow vehicle for anything except a really small utility trailer Its a rebodied civic and its a short wheel base vehicle For your 1800# plus woth of boat, I would get a different tow vehicle
  13. Scott Danforth

    Where to Buy

    Other than OMC and the fact its a 3.0 (140hp) Would help to know what vintage. O MC had 4 different manifolds over the years on the 3.0 May want to check out TC electronics at sterndrive.info. they deal with Obsolete Marine Co
  14. Scott Danforth

    Trouble pulling skier out of the hole

    Drop down to a 17p 4 blade for watersports
  15. Scott Danforth

    Trouble pulling skier out of the hole

    No such thing as one prop fits all. The prop you use for watersports is always 2-4 " of pitch less than your cruising prop. Suggest dropping down in pitch. However in the mean time, move everyone to the bow, trim all the way in. Dont trim up until the boat is out of the hole. Dint have...
  16. Scott Danforth

    How do I fix this ladder?

    in addition to what was stated above, dont bother filling the holes, you need a backing plate and you will need to thru-bolt. make wedge washers out of starboard or black delrin to take up the angle
  17. Scott Danforth

    Manual?

    First, welcome aboard second, sorry you boat a boat with the 470. you can search most of the 470 problems with google regarding a manual, suggest you look at manual #3 as a start. you can properly obtain a used manual thru channels such as ebay and CL. or a new one directly from brunswick...
  18. Scott Danforth

    The overall rundown on Velvet Drives?

    as AD alluded to, service life is directly proportional to PMs and care. properly maintained and serviced, many of these drives can last a really long time.
  19. Scott Danforth

    Yam F300 vs. Merc Verado 350 vs. 383 MPI

    so am I and I know most of the engineers at Mercruiser (many worked for me at one time) , ilmor, Indmar, PCM, Cummins, CAT, and a bunch that used to be at Volvo, John Deere and Seven marine. I also have connections with many naval architects and engineers at most yacht builders and many boat...
  20. Scott Danforth

    Holley 4160 - Flooding Secondary

    If you cant adjust the float (holley carbs have externally adjusted float settings), then spend the $6 and replace the needle and seat
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