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  1. Bt Doctur

    Need Help Installing Distributor in 4.3MPI

    Yep, to have a dist install correctly you need to "back up" the rotor a bit, align the oil pump shaft to the dist using a long flat blade, slip the dist down until seated and have the rotor at the arrow
  2. Bt Doctur

    4.3l mercruiser sterndrive

    only hose that low is the exaust bellow
  3. Bt Doctur

    NPT or NPS

    I would venture a guess it`s NPT
  4. Bt Doctur

    5.0GL - No Power at Coil

    https://www.manualslib.com/products/Volvo-Penta-5-0-Gl-9226208.html
  5. Bt Doctur

    5.0GL - No Power at Coil

    you wont see any numbers on the balancer, your looking for a line/groove cut in the balancer. That is TDC for #1 piston. Also TDC for #1 on the exaust stroke
  6. Bt Doctur

    etec 150

    Had the opportunity to troubleshoot one of these . After a somewhat short run10 minutes it would go into guardian mode. Fuel filters looked good, block temps good. good flow from the pisser, Not fuel related. Found the ecm clogged shut with a white powdery substance. Could not even blow air thru...
  7. Bt Doctur

    Prop spins easily, but not freely

    some are dog clutch gears that will spin freely, some are cone clutch upper gears that turn with the prop and may have a little bind
  8. Bt Doctur

    1987, 454 Help!

    +2 check the pumps pressure
  9. Bt Doctur

    '84 Lund 3.0L IO engine runs, locks up, runs, locks up

    what about the oil level in the drive?
  10. Bt Doctur

    2004 5.0 MPI Mercruiser

    fuel water/sep filter , clogged tank vent, hi pressure fuel pump going bad, injectors clogged.
  11. Bt Doctur

    Alpha One lower unit assembly

    also lubricate the impeller dish soap, KY liquid, etc because you may have to thru the shaft backwards to line up the driveshaft splines. Once raised install the forward nut by a few threads to hold the unit. install the side nuts next. Rotate upper shift shoe to be in a straight line and slide...
  12. Bt Doctur

    Finding the right starter for my 7.4 mercruiser

  13. Bt Doctur

    Finding the right starter for my 7.4 mercruiser

    The starter does bolt up and does work on the motor just not with the key. I alligator clip jumped it right at the starter and everything spun fine but doesn't shut off unless i unhook the battery cable. Main lug has Red,system power, Orange, alt feed, and main battery cable. Yellow/red to...
  14. Bt Doctur

    MC-1 shift cable threading stripped

    Correct ,its a tight fit and the Red Loc-Tite keeps it in place This repair has been on for over a year in alt water with no issues of loosening.Threaded rod with some nuts and washers to draw it in
  15. Bt Doctur

    Twin 5.0 alphas,2 power steering pumps?

    Yes, you need PS fluid in both of them, the stbd is active and the port in in by-pass, connected together at the rear of the motor
  16. Bt Doctur

    Swapping out ujoint splines?

    what is the length of the inputshaft? You should take the shortshaft . about 8 inches , not the long one 9 inches
  17. Bt Doctur

    MC-1 shift cable threading stripped

    https://forums.iboats.com/threads/gimbal-housing-shift-cable-thread-repair.723575/
  18. Bt Doctur

    MC-1 shift cable threading stripped

    theres an easier way, stand by a few
  19. Bt Doctur

    New guy - starter wire question

    Key on start sends 12v from the ign switch, thru the control box neutral safety. then to the slave solenoid that sends 12v to the mail solenoid to activate the starter
  20. Bt Doctur

    Flooding...

    bring the hose up to the front of the engine and hook your oil pump directly to it
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