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  1. Bt Doctur

    1998 Mercruiser 5.0 Intake manifold gasket mismatch issues

    or this dual bolt pattern https://www.amazon.com/Small-Intake-Gasket-Vortec-Standard/dp/B076VK6RYF
  2. Bt Doctur

    1998 Mercruiser 5.0 Intake manifold gasket mismatch issues

    a pic of the head would help identify std or vortec type. Manifold looks to be a standard 12 bolt type not 8 bolt for vortec.
  3. Bt Doctur

    Ever see a twisted drive shaft?

    Have seen a prop shaft like that
  4. Bt Doctur

    Carburetor Issues, Dripping Carbs...

    I have a mechanical one in my v6 and it would put out 15 psi when it felt like it and flood the carb. An eaton pump took care of the problem
  5. Bt Doctur

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    Its very hard to believe you can crack a crankshaft in half and still have it turn and have the motor run.
  6. Bt Doctur

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    The one I had was quiet as a mouse, no rotating noise. Only when the bearing cap was removed did it fall from the block
  7. Bt Doctur

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    right about here
  8. Bt Doctur

    4.3 TKS "Run On" fixed but Slight Loss in Performance

    a very lean mixture setting will do the same thing , get the special tool, or cut it off, grind it off, etc and open the mixture up
  9. Bt Doctur

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    I think there still using the snout as a door stop, if its there i`ll get a pic.
  10. Bt Doctur

    New impeller and housings, no water..

    I would review your work making sure the base gaskets are correct. Never use grease on rubber impellers, K-Y is better.
  11. Bt Doctur

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    Its what happened to one of my customers motors. Claimed the pully was moving and I said impossible . It has 3 bolts and a nose bolt. Pulled the motor and when #1 cap was removed the broken part fell out
  12. Bt Doctur

    4.3 TKS "Run On" fixed but Slight Loss in Performance

    Did you remove the cap on the idle mixture screw?
  13. Bt Doctur

    serpentine belt number

    None, went over everything when the motor was out,does have the SX Duo Prop
  14. Bt Doctur

    2002 Mastercraft 5.7 harmonic balancer moving in and out

    Would not be surprised to have a broken crankshaft on a running motor The snout will fall off when you remove #1` bearing cap.
  15. Bt Doctur

    Visible exhaust after starting

    Too much choke
  16. Bt Doctur

    serpentine belt number

    Customer has no paper work on this boat or engine, The belt is missing? customer is not totally honest on what took place either. Its a V6 Metric cast oil pan. PS low on the port side and alt high on the port side. Can anyone supply a number off their motor. Thanks
  17. Bt Doctur

    Gear Ratio?

    inline 4 cylinder use a 1.98-1 except for the FWC 470 type it uses a 1.84 V6 uses a 1. 65 or 1.84 smal block V8 use 1.50 in Alpha drives BB in Alpha uses 1.32 but have since shifted to Bravo drives
  18. Bt Doctur

    Cooked my impeller

    and the later one can replace the early one
  19. Bt Doctur

    Two fuel pumps in series??

    Or you could have a screen INSIDE the pickup tube. You can get a fitting for the carb to accept a barbed fitting,So get the elec pump .put some alligator clips on it some barbed fittings and some hose
  20. Bt Doctur

    Broval 1 outdrive won’t go down, no noise from trim pump

    Jump the 2 large lugs on the solenoid, green for down, blue for up . Motor should run in both directions. Then take a jumper from the + battery and touch the small green and blue wires in the solenoid, motor should run in both directions, Solenoids and motor are good.
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