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  1. Bt Doctur

    Mercruiser 6.2L Closed Cooling Check Valve Question

    Just tossing this out there, has anyone tried cooling the fuel before the pump with a PS or oil cooler unit?
  2. Bt Doctur

    Draining engine block - Merc MX 6.2 MPI/Bravo 3

    every one I winterize has clogged engine block ports,
  3. Bt Doctur

    I am finding contradicting information on wiring a charger and a inverter to a 3 battery system

    Typically a 1200 watt at full load draws 60-80 amps DC input
  4. Bt Doctur

    Gimbal bearing question (greasing without a fitting)

    You can make a tool from a used tolerance ring. Yes ,the sealed gimbal bearing should fit
  5. Bt Doctur

    Gear Oil in UJoint Bellows

    If you have an original drive that never had new gears installed a seal replacement is a snap. you will need the spanner for the castle nut With that attitude I see a new drive in your future
  6. Bt Doctur

    Thread Locker Choice

    I use Perma-Tex Aviation sealant on all the seals and bolts
  7. Bt Doctur

    Welcome Back!

    took a bit to log in but the new site looks good
  8. Bt Doctur

    A unique locking system for a variety of applications

    I make the female portion from SS and knurled it for grip.,.620 in dia. Installed using a 1/2 bit first then dremel or filing for a tight press fit and installed with 5 min epoxy.. Pin is called an "Avi-Pin" and is the 5/16 size and available from most boat stores. Mc Master Carr/ Graingers, etc
  9. Bt Doctur

    water housing

    for mike 2000 , can send the button for draining
  10. Bt Doctur

    Alpha shift cable repair sleeve

    Cannot find my post about the brass insert to repair the threads in the Alpha housing and someomne on this site was asking about it. Having trouble with the messages to respond here
  11. Bt Doctur

    Firing Orders For The Flat V6 and V8 Caps!

  12. Bt Doctur

    not working right

    Still not right, now its not working with Firefox or IE, only Chrome The programmers just cant stop screwing up this site
  13. Bt Doctur

    There still something screwy about this site

    When going to the message area to dismiss/delete the screen flashes ,with multiple browsers Using Firefox you cannot even start a post ,or go to a 2nd page . Edit and delete dont work with firefox,will work somewhat with Chrome Or Bravo. This site always worked and now it does not And get rid...
  14. Bt Doctur

    Heres an oldie a very early Mercruiser I have nver seen

  15. Bt Doctur

    test post

    testing , pics
  16. Bt Doctur

    2 more things needed on the forums

    New members/posters continually bring up an old post from years ago and add their problem to it. Is there a way to direct a new poster/post count under 5 to have the response directed to an area that lists rules for using a old , dead , post and clue them in so that they start their own message.
  17. Bt Doctur

    how to repair threaded shift cable threads if destroyd removing the cable

    Here you go 39/64 drill bit ..6094 , 1/4 inch pipe coupling, 1/4 x 18 NPSF tap , Red Loc-Tite. With 1 hex machined off, the O.D of the sleeve is .619 leaving a .010 press fit. Once installed tap it thru if preferred but only a 5/8ths depth is needed for the shift cable threads If needed PM me if...
  18. Bt Doctur

    trying to backtrack this , a reverse gear

    Mercruiser reverse gear 48-18577T .Where used? No luck with any mercruiser sites Thanks
  19. Bt Doctur

    To all of us who work on these things

    From an un-named repuable shop with top notch mechanics this happened. a trim cylinder had the hyd hoses accidently reversed attempted to raise the drive.Being late and being eaten by bugs the install was rushed . In the am another tech seeing the work completed attempted to raise the drive and...
  20. Bt Doctur

    cobra drives, I know I should have said no ,

    A twin engine , steering link disconnected from port motor, drive rises and lower with out and noise. port drive steering frozen rock solid. Boat was out of water for 3 years, suspecting corrosion or electrolsys in the transom housing. Any encourging was to repair it, check the manuals and it...
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