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  1. Scott Danforth

    351 ford seaswirl cordova

    nah...... its coming across good deals and jumping on them. I have $625 in essentially a complete drive including transom shield.....bought in pieces by keeping an eye out. I am set "WHEN" something breaks
  2. Scott Danforth

    OMC 2.5L paired with OMC Sterndrive 800 Outdrive

    ask yourself the question. do you want to use the boat, or do you want to work on the boat? of all those, the 3 small aluminum fishing boats are ready to run. the fiberglass boats will be a project
  3. Scott Danforth

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    the HX's for Volvo were obtained thru Champ Products in Sarasota Florida, and sold to Volvo USA for the V6 and V8 GM motors. the volvos using the swede build motors were MOTA heat exchangers
  4. Scott Danforth

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    this is the amount of rust I get every outing plugging up a filter screen I added between my thermostat and heat exchanger. this is only from the cylinder heads which did come off a salt-water cooled motor. to this day, I still kick myself for not spending the extra $5-600 and buying new...
  5. Scott Danforth

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    you need new exhaust because your were cracked (post #1) the VP exhaust already flows better than the mercruiser versions. so all you need are BARR or VP replacments you are over-thinking 906 vs 062 vortec heads the closed cooling should only be added to freshwater motors or new motors...
  6. Scott Danforth

    351 ford seaswirl cordova

    I have a complete VP 290DP drive that I acquired in parts..... LOL
  7. Scott Danforth

    351 ford seaswirl cordova

    if its fuel injected, remember, all the ford EFI parts are now NLA....
  8. Scott Danforth

    Newbie

    welcome aboard. a while back I ran across a guy that has his pontoon modified for his wheel chair. the fence was opened up with an electric folding ramp to his dock. two linak LA36 actuators to lift/lower the ramp.. the helm was moved forward about 2 feet to allow him to wheel up behind it...
  9. Scott Danforth

    4.3 MPI Performance issue

    agreed, 185 psi means you have a bad gauge or debris in your cylinders do a cylinder drop test to see if you are running on all 6
  10. Scott Danforth

    how to remove prop shaft seal on a duoprop DPS-A ?

    easy peasy job with a set of seal pry tools
  11. Scott Danforth

    Pontoon in the snow

    salt water can still be liquid at -4
  12. Scott Danforth

    2005 VP 5.7 to 5.0 Engine Swap

    they are both GM block. however why do you want to go from about 280hp down to about 220? how big or small is your boat? you may not be able to get the boat on plane are they both carb or are they both fuel injected? or is one carb and one fuel injected? now, if they are both the same fuel...
  13. Scott Danforth

    Leaking engine oil out of boat into water

    you can pressure test the cooling system yourself. is this a new to you boat? is the motor EFI? got a serial number so we can look up if it has an oil cooler? or better yet, you look to see if you have an oil cooler. if the oil cooler failed, it will pump oil into the raw water stream.
  14. Scott Danforth

    Stringer Manual?

    start troubleshooting and fix what is wrong. is the issue fuel system related? you may need to start at the tank and work your way to the carb and clean everything (inside the tank, the pickup, the pickup tube, the anti-siphon fitting, the fuel filter, the inlet filter on the carb and the...
  15. Scott Danforth

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    also, I suggest rebuilding your PDS once you get the motor out. - read this https://forums.iboats.com/forum/eng...s-engines-outdrives/10343318-pds-shaft-issues also, here is some library reading https://forums.iboats.com/threads/upgrading-to-a-383-stroker.727054/
  16. Scott Danforth

    What´s the best replacement for AQ271C (or 570) 5.7 GM engine, ideally stroker?

    you take your motor out (its about a half hour total job if you have regularly pulled your drive for bellows service) you take your motor to a machine shop and have it ultrasonically tested your block is a 2-bolt block (no need for a 4-bolt unless you want to build stupid power level which...
  17. Scott Danforth

    Pontoon in the snow

    what is the water temp?
  18. Scott Danforth

    Leaking engine oil out of boat into water

    first, stop using the boat. then pressure test your block/heads most likely you had an over-heat and damaged the head gasket or warped a head do you have an oil cooler (not standard on a 4.3)?
  19. Scott Danforth

    2 stroke motor went underwater - what to do

    You need to work quickly. The day you pull it out of water, you need to pull the plugs, spin it over to clear it out. Then clean the fuel system and get it running If its been in salt water for a week, you may only be able to part it out
  20. Scott Danforth

    A couple of different winterizing questions.

    Or just chainge oil, then drain the block and exhaust and hoses. Then if you want to add AF, use a funnel
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