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  • Users: PMORR
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  1. PMORR

    fuel injectior flutter on race engine

    Thanks to Hemi for asking a great question. I went back and found the 5 volt reference and the signal out wires switched on the wiring harness. sometimes the obvious is out of reach.
  2. PMORR

    fuel injectior flutter on race engine

    Thanks for all the great ideas but because we were just not able to be competitive, we withdrew from the event. The problem is in the wiring harness and when the throttle position sensor(tps) reaches a point in it's travel, the injectors stop being triggered by the ECU. This happens no matter...
  3. PMORR

    fuel injectior flutter on race engine

    Thank you for all the ideas, for VE1BLL the ecu is a Pectel racing unit,EdStainless sample rate and control loop are set by the ecu, Hemi oscillascope is not withme,gruntguru,traces are stored in ecu and downloaded mto a loptop,and LionelHutz,we tried and ecu from a running car and had the same...
  4. PMORR

    fuel injectior flutter on race engine

    We are racing a Duratec 2.3L, 4 cylinder engine and are experiencing a problem with the engine that at the 6000 to 8500 rpm range the engine will stutter and act like it is misfiring. All of the ecu traces except the injector,shown as time injector is on, and rpm are smooth and look normal. The...
  5. PMORR

    Wiring on 3 phase 460v motor

    I have a used 5 HP pressure washer 3 phase 460v that my boss bought at an auction that was wired with the 1 and 7, the 2 and 8, and the 3 and 9 motor leads tied together and the 4-5-6 leads used for the incoming power. Is there any reason that I should rewire and any reason why it would be...
  6. PMORR

    Difference between bearings 61809 and 6809

    Thank you for the response and I went ahead and purchased the same bearings as originally used and will disassemble the old one to see if there is a difference.
  7. PMORR

    Difference between bearings 61809 and 6809

    I have a shaft running in a tubular housing supported by 3 bearings, the two outboard bearings are 6809 LU by NTN and the center bearing is a 61809 RS with no manufacturer noted. These are all58mm OD,45mm ID and 7mm wide bearings. When pricing them, there is a big difference in the cost, and I...

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