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  1. alldodge

    Diagram for coolant system?

    We don't know exactly what you have to work with. Early in the posting you mentioned a 1989 was original by installing a vortex block out of a truck. Issues are what are you gong to use from old motor? If using the original thermostat housing and exhaust then ok, but might be some issues...
  2. alldodge

    MAG 350 loses power after 20 minutes, need help

    Yes just a check ball
  3. alldodge

    Mercruiser 6.2L Coolant Loss

    Your right my bad, and it can't be the housing, that is raw water only not on the HE side. If its not something like a plastic block drain fell out due to not being tightened enough or cracked, then just puts some water in the HE and see where it runs out
  4. alldodge

    MAG 350 loses power after 20 minutes, need help

    Might be antisiphon valve partly clogged or a weak fuel pump. Make up a Tee fitting with fuel pressure gauge and place inline between pump and carb
  5. alldodge

    Mercruiser 6.2L Coolant Loss

    Single point drain piece of crud most likely.
  6. alldodge

    1988 Rogue 2420

    IS this something about get away from the wheel barrow, because they don't know nothing about machinery
  7. alldodge

    4.3 TKS problem

    With it smoking the diode there is a short in the harness. Disconnect the Battery and plugs going to/from the components. So you can use a ohm meter to check for shorts to ground
  8. alldodge

    Draining manifolds, 1995 7.4

    Unable to say for sure, but I wouldn't worry about it so long as you probed the fitting with a wire up inside to make sure it wasn't clogged
  9. alldodge

    4.3 TKS problem

    This is a block diagram for the V6 and V8 motors TKS gets 12V from 2 sources, check the Temp switch
  10. alldodge

    Compression Test Readings

    With all being at TDC then valves are damaged, or not adjusted correctly
  11. 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
  12. alldodge

    MERCURY MERCRUISER MARINE 8.1L 496 Injector missing Pintel cap

    Yes, bleed it at Schrader valve
  13. 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
  14. 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
  15. 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
  16. alldodge

    Mercruiser qsd 2,8 Tuning box connections

    There is a tab "Fitting Diagram" which shows how to connect
  17. 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
  18. alldodge

    Engine alarm won’t stop

    Hope it works out
  19. 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
  20. 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)
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