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  1. Scott Danforth

    swap 2.5 omc with 3.0 mercruiser

    your 1995 motor will not work with a stringer 400 unless you get a custom made splined coupling disk. you can take the existing disk to a machine shop and have them weld up the holes and drill new holes . if you have a cobra drive (looks similar to the mercruiser drive). you can swap your...
  2. Scott Danforth

    swap 2.5 omc with 3.0 mercruiser

    post a pic however if you have a big boot around the drive at the transom, you have a stringer 400 here is a pic of the boot on ebay
  3. Scott Danforth

    Just thought I'd share a nice photo.

    Not to far where I grew older (I wont ever grow up) this is the road that gets photographed every fall yes its a real road (to the ferry dock in Door County) yes its a blast on bicycles, bikes, and sportscars
  4. Scott Danforth

    Engine idle rpm oscillations

    IAC is on the throttle body Volvo uses a stock GM IAC. Mercruiser uses a Ford IAC
  5. Scott Danforth

    2001 wellcraft 270 costal powered by a mercruiser 7.4 mpi with a bravo 3. Doesn’t accelerate.

    it may however once a cone clutch starts slipping, it burnishes itself
  6. Scott Danforth

    1978 OMC Winterizing

    change engine oil and filter drain everything poke drain petcocks to make sure everything is clear block is now winterized pouring AF down the holes is fine change the oil in all 4 gear boxes (intermediate, upper, lower, and tilt) pull the drive and store in-doors. change the impeller every...
  7. Scott Danforth

    Volvo Penta Outboard Model 90 ( 9 hp ) Questions

    volvo penta sells volvo penta manuals on their site.
  8. Scott Danforth

    F70 Yamaha, how many hours are possible before major rebuild?

    should be able to get 5000 hours on a motor with proper maintenance 1400 hours is just getting broken in.
  9. Scott Danforth

    swap 2.5 omc with 3.0 mercruiser

    first, welcome aboard is your 1985 a left over 1984 stringer or a cobra unit? by 1985, OMC was only using the 3.0. they have 140 on the valve cover what year is the 3.0 from the mercruiser? if the 3.0 is 1990 or older, you can strip off the manifold and plumbing off the "mercruiser" down to...
  10. Scott Danforth

    can anyone identify what this model name is ?

    not sure why it matters. its a typical mid 80's runabout assuming its new to you. title and registration have all the information needed to register it. if you dont have title and registration. it could be yard art depending on which state you live in. from the pics its a candidate for a...
  11. Scott Danforth

    HELP 2005 5.0 MPI OVER REV

    Newark or digikey or direct from TE or Hella
  12. Scott Danforth

    5.3 Direct Injection Volvo motor carbon cleaning. Often a problem and done on 5.3 GM vehicles - why not on boats?

    look at the Vauxhalls, Opels and Saabs and other GM direct injected motors. dont just limit yourself to boats. the 2.0/2.2/2.4 ecotech motor started life as an Opel power plant that work migrated to the ATLAS motors 20 years ago and the V-motors about 15 years ago That motor technology has...
  13. Scott Danforth

    HELP 2005 5.0 MPI OVER REV

    remember, the VF-4 relays you guys are talking about are $1.34 each or less. both Merc and Volvo spend actually less than $.40 each at volume they are a mechanical device that is made by the cheapest Thailand citizens in the world and then sold globally.
  14. Scott Danforth

    5.3 Direct Injection Volvo motor carbon cleaning. Often a problem and done on 5.3 GM vehicles - why not on boats?

    you have many of that motor over there wearing volvo penta and other brands direct injection motors get a build up of carbon on the back side of the intake valves that can not be cleaned by any fuel cleaners as the injectors squirt go-juice in the combustion chamber. GM has been recommending...
  15. Scott Danforth

    HELP 2005 5.0 MPI OVER REV

    I wouldnt waste the beer tolkens
  16. Scott Danforth

    Attaching Cap to hull

    #1. Do nothing and use the old plywood strips. do not replace superior strength plywood with cut up 2x4's unless the 2x4's are white oak and you steam them to shape. Pine is not sufficient. if you really are worried, grab a bucket of gel and a brush and mop some on. however not needed.
  17. Scott Danforth

    bow cover

    they actually use pattern paper and pattern your boat for a guaranteed fit.
  18. Scott Danforth

    HELP 2005 5.0 MPI OVER REV

    you turn the input shaft and count the rotations. or on the alpha, look at the bottom of the stock sticker (if its still there). in small print on the bottom is the gear ratio. however you need to verify your tach first. no need to perceverate on the cal. just verify RPM's at 3000 and 4500 RPM
  19. Scott Danforth

    Paragon to Velvet drive swap

    71's cant be swapped you will have to pull the motor apart to verify the knurling on the seals is correct for a RH motor or it will pump oil out as it rotates you will have to source the timing components for a RH motor PCMC was the last engine builder to custom make RH motors because they...
  20. Scott Danforth

    1964 Starcaft?

    these two statements contradict each other. original motor would have been same vintage as the boat.
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