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  1. alldodge

    1999 454 magnum cranks but will not start

    Thanks its a L29 MPI Let us know how the voltage readings go
  2. alldodge

    1999 454 magnum cranks but will not start

    Need a motor serial number? Being a 99 and pump not priming its probably a MPI Get a voltmeter and see if your getting power to the key red/purple wire Turn key to ON and see if the purple wire gets power Then with key ON check for power at the coil
  3. alldodge

    8.1Gi-H Popping (backfiring?) at WOT

    The hp pump should show 50 to 60 psi and being at 50 is acceptable. Going quickly down to zero when pump shuts off is not good. It can go down slowly but should not do it fast. Pump should be rock steady and not fluctuate. Just a guess but pump appears to be leaking internally
  4. alldodge

    New engine - No Fire (Volcruiser)

    Has HVS distributor
  5. alldodge

    New engine - No Fire (Volcruiser)

    Serial number comes back as Gi-G Fuel pressure low side 8 psi +/- 4 , high side 50 to 60 psi
  6. alldodge

    Volvo penta 7.4gipefs fuel Injectors

    Send your injectors to be cleaned and flow tested https://www.boatunlimited.com/ I wouldn't buy injectors from ebay, been a whole lot of folks have gotten cleaned up used ones which didn't pass test
  7. alldodge

    92' Mercruiser 7.4 Bluewaters Won't Idle

    Thinking the voltage is either to low or not there at all when cranking.
  8. alldodge

    25Hp Prop Help

    I think you need more hp, but only thing to do is go to a 10 or 9 pitch prop. Most likely a 9P, but still don't think it will do much with a tube.
  9. alldodge

    92' Mercruiser 7.4 Bluewaters Won't Idle

    With things moving look at electrical. Remove the wires on the starter and clean them up shinny metal. Measure the voltage at the coil and see what it does during cranking and while running. Use a spark gap gauge and connect to coil
  10. alldodge

    Shifting issues

    Go back thru your adjustments, things like the 4 turn is after lightly pulling of the cable and its at the bottom of the notch to start with
  11. alldodge

    Velvo penta does on water

    Start by checking for 12V at the coil when cranking next filing the points and make sure they open and close as the rotor turns. If no spark after this, replace the points and condenser
  12. alldodge

    5.7 Mercuriser Cracked Block

    If your in fresh water change core plugs and then swap everything else from your long block, go boating
  13. alldodge

    Belt Squeal

    Sorry the ribbed comment started me thinking about ribbed V belt. Yours is a serpentine It could be that one of the pulley's are worn to bad
  14. alldodge

    Belt Squeal

    Does the V belt sit slightly above all pulleys, not even or lower then top ? Edit: and what style belt? you said ribbed edit, edit should be serpentine
  15. alldodge

    Belt Squeal

    Rotate the pulleys (idler, tension, alternator, water pump) and try to feel if there is any roughness. Is it a belt squeal or pulley?
  16. alldodge

    porpoising problem

    Your boat is pretty light. A 4 blade prop increases lift. Your boat is a bit higher out of the water on plane, so your proposing. Need to go back to a 3-blade or add more weight to the boat in the stern (bigger cooler maybe) :cool: If you want better hole shot go from a 3-blade 19 to...
  17. alldodge

    Merc. MPI 300 Water Leak-Water Distribution Housing? & Winterization Question

    Remove hoses come from the raw water pump to crossover, cap and install a gauge and schrader valve. Take hoses going to exhaust, remove and plug. It should be able to hold 10 to 20 psi same as a car, just split the difference and use 15
  18. alldodge

    Prestolite single solenoid trim pump

    The shifter would have no issue with yours. Least those solenoids are cheap enough
  19. alldodge

    Prestolite single solenoid trim pump

    Sounds like down (green) is using the solenoid when it should be the up (Blue). Down requires less power so it comes direct from the switches. The solenoid is used for up when current is higher
  20. alldodge

    Velvo penta does on water

    Check your compression. If its low (around 100) then the addition of back pressure does not allow for fuel to be drawn in
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