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  1. alldodge

    Compression Test Readings

    With all being at TDC then valves are damaged, or not adjusted correctly
  2. alldodge

    Compression Test Readings

    Was all the hissing with each cylinder at TDC? If not then doesn't matter The heads have to come off to determine if the motor needs rebult of just refresh heads
  3. alldodge

    Merc 150 Intermittently Bogging Down at WOT

    Being injected there should be a shrader valve on the rail to test. Will need a high pressure gauge that goes to at least 100 psi
  4. alldodge

    Merc 150 Intermittently Bogging Down at WOT

    Get a vacuum/fuel pump test gauge, similar to this one https://www.amazon.com/Hromee-Carburetor-Pressure-Diagnostics-Leakage/dp/B08P4P97H2/ref=pd_lpo_2?pd_rd_i=B08P4P97H2&psc=1 Disconnect the line between the fuel pump and carbs and place a Tee fitting. Connect gauge to Tee and go for a run
  5. alldodge

    Mercruiser qsd 2,8 Tuning box connections

    Find the connector that looks like the one you have. Unplug it and if its the correct one then put the unit in between the 2
  6. alldodge

    Mercruiser qsd 2,8 Tuning box connections

    There is a tab "Fitting Diagram" which shows how to connect
  7. alldodge

    Mercruiser qsd 2,8 Tuning box connections

    Looks to be a diesel Found this which shows how to connect https://www.ptronic.com/performance-chip-mercruiser-qsd-2-8-220.htm
  8. alldodge

    '94 5.7 PHUS TPI No Fuel Pump Power

    Not able to find 5.7 PHUS but can find GiPHUS It has EST ignition Fuel pump power doesn't come from the ALT, and is energized by the ECM applying a ground from J1-23
  9. alldodge

    Mercruiser greatly overpropped, need advice

    Thanks, then you need to reduce pitch. With compression gauge being accurate, there is some kind of liquid in the cylinders (gas, oil, water or carbon build up)
  10. alldodge

    Mercury MAG 350 MPI Horizon loss of HP

    The clymer book is good to use as a knee pad but no good for your motor, need a factory manual number 31. Fuel pressure should be 43 psi That isn't how the Reg is checked. Remove it and use a compressor with air regulator. Use a blow gun is good with a rubber tip. Remove the screen on the...
  11. alldodge

    alpha 1 Gen 2 sterndrive broken lower drive shaft

    With 24/24 upper gears and 13/21 (gear pic above) lower it would be 1.62 depending on which year. To get 2.0 need to have 14/28 gears
  12. alldodge

    Mercruiser greatly overpropped, need advice

    BTW is your 19P a 3 or 4 blade prop?
  13. alldodge

    Mercruiser greatly overpropped, need advice

    Disconnect the purple wire going to the coil on the + side, this removes power so there will be no spark Open throttle wide open and leave there until all cylinders are tested Have it crank over at least 3 times for each cylinder
  14. alldodge

    Steering problem

    Sounds like you need a new steering ram
  15. alldodge

    MERCURY MERCRUISER MARINE 8.1L 496 Injector missing Pintel cap

    Haven't seen this happen, maybe it was not reinstalled prior
  16. alldodge

    alpha 1 Gen 2 sterndrive broken lower drive shaft

    Your right, last time I looked B3 wasn't there If your Alpha was doing fine when working, might think about B1, less seals to deal with and a bit less weight then B3
  17. alldodge

    Adding 100+hp. Would you re-prop ?

    Depends on the day, county most time, but have cds of little Richard, pink floyed, celine dion, classical, back street boys, just no rap
  18. alldodge

    Mercruiser 6.2 cool fuel pressure

    The pic is just a representation and is not used as actual. Check the return line at the filter head and make sure its not plugged If its all good, then it has to be the regulator. The pump will pump 100 psi, but if the Reg see's anything above 60 psi or so it breaks the Reg.
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