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  1. Bt Doctur

    water pump v belt pulley and shaft

  2. Bt Doctur

    water pump v belt pulley and shaft

    depending on your motor .you can convert to a Bravo pump with a few parts
  3. Bt Doctur

    4.3 TKS Repeat oil pressure switch failures

    I never install an electric pump unless a relay goes with it
  4. Bt Doctur

    tech tip for TBI

    If you have lost fuel to the injectors and have also lost spark the culprit is the dist ign module
  5. Bt Doctur

    4.3 TKS Repeat oil pressure switch failures

  6. Bt Doctur

    4.3 TKS Repeat oil pressure switch failures

    your fuel pump is drawing more current than the switch can handel. Install a gm Blazer 40amp fuel pump relay using the relay to power the pump and the pressure switch to activate the relay
  7. Bt Doctur

    New Mercruiser 5.7 with oil/water mixing

    melted shutters are a sign of an overheat. Water and oil cannot come out the exaust unless the head is cracked. There is very litle oil coming past the umbrella seal on the valve so its not a likely suspect. or a cracked block.Heads are coming off for an inspection and let us know what you find...
  8. Bt Doctur

    5.0 Mercruiser MPI Broken distributor Screw hole

    Yep, they are made out of plastic. I did a repair by removing the remnents and bolting on a piece of starboard , shaping to fit and drilled and tapped a new hole
  9. Bt Doctur

    not shifting into forward gear

    think telephone pole
  10. Bt Doctur

    Driveshaft retainer nut

    That ring is cheap enough to just drill out and remove
  11. Bt Doctur

    not shifting into forward gear

    Achris, its 1/5th of a 10 by 10 log
  12. Bt Doctur

    not shifting into forward gear

    a broken outer shift cable casing at the gimbal housing
  13. Bt Doctur

    Shift Cable Bellows Replacement

    bellows adhesive, 3M weatherstrip adhesive
  14. Bt Doctur

    New elbows on a 5.7 LX.

    I think it is because of the 3 point and single point drain systems. Theory is it drains everything and no need for any drain plugs. That is until it clogs and you lose a block and/or manifolds
  15. Bt Doctur

    Trim hose to pump

  16. Bt Doctur

    New elbows on a 5.7 LX.

    or use one that has the drain plug
  17. Bt Doctur

    Possibly Purchasing 70s Mercruiser 140... Overheated

    your going nowhere with 140 hp in a 29 toon
  18. Bt Doctur

    3.0L Manifold Removal- Frozen

    If you remove ALL 5 bolts comes off very easily
  19. Bt Doctur

    IN SERIOUS NEED of spark plug wire help 5.7

    The flat cap found on Crusaders and some others will accept wires that go into the cap and also the round cap. The next design has them going ON the cap ,the brass end protrudes up on the cap. The latest flat cap takes a special plug that goes into the cap but looks nothing like a standard boot
  20. Bt Doctur

    Bravo 3 bell housing removal. (lube leak)

    replacement is still plastic, cut the hose before removing the housing, then with a razor knife slit the hose at the transom fitting and remove it
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