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  1. toms89

    Misfire without code?

    You should post video as it occurs with the gauges in view. Could possibly help others to understand your issue better.
  2. toms89

    Misfire without code?

    One possibility is torque converter shudder.
  3. toms89

    Ditching the Powerdyne and doing a lighting

    I want to rephrase a little. It's the "low throttle" or part throttle response (everyday driveability?) that becomes dramatically different which of course is most noticable at low rpms. I did not notice near as much difference at W.O.T. with a 6# vs 10. M112 vs M122. 1.8L vs 2.0L. I think...
  4. toms89

    Ditching the Powerdyne and doing a lighting

    With the 10# pulley it is overspinning the hell out of the eaton and pushing it well outside its efficiency range. IAT temps need to be monitored closely. I have a fluidyne heat exchanger as well plus a killer chiller. Thinking about going to methanol injection instead. The biggest...
  5. toms89

    Ditching the Powerdyne and doing a lighting

    I broke my 2nd gear sprag a little less than a year after my install. Had it rebuilt at that time with turbo diesel internals and better clutches, etc....
  6. toms89

    Ditching the Powerdyne and doing a lighting

    I don't recall.... any tranny upgrades yet???
  7. toms89

    Ditching the Powerdyne and doing a lighting

    I think you will enjoy the instant and fairly violent nature of the throttle response with the roots blower vs a centi. Its well suited to the heavy suv... But you will quickly find the limit of the eaton as well. Mine struggles to make 12psi as it is currently setup with 10# lower pulley. I...
  8. toms89

    What did you do to the expy today

    Changing plugs on these can improve with practice but i'm sure most sane individuals choose not to do so.. lol. I have done it many times just to check tune and engine conditions with my modifications. Did not really time myself but believe its maybe an hour to do all 8. #4, 7, 8 are the...
  9. toms89

    Hello from Colorado

    Rocky mountain hiiiiiiiiiiiiiiii...... :welcome:
  10. toms89

    New guy from Eastern Missouri

    :welcome:
  11. toms89

    Day Late - New Guy from N-FL

    :welcome:
  12. toms89

    New member from PA

    :welcome:
  13. toms89

    What did you do to the expy today

    Drove it around in the snow today. On heavily salted roads... :bawl: I can hear it rusting already!!
  14. toms89

    Cant locate my MAF Sensor (04 Expy 5.4L)

    Inside the air filter housing.
  15. toms89

    New member from Michigan

    :welcome:
  16. toms89

    New Member in Calgary Alberta

    :welcome:
  17. toms89

    Late checking in

    :welcome:
  18. toms89

    Missfire

    O2 sensors measure oxygen content not fuel... surprise right. lol My point is a misfire lets unburned fuel / oxygen pass through to the exhaust and should create a lean reading as read by the O2 sensor not rich since it actually registers O2 not the fuel. I myself would tend to suspect...
  19. toms89

    What did you do to the expy today

    Kind of hard to make accessible spark plugs when half the motor is under the cowl.. :( Guess they could have move the motor forward more making the vehicle longer and/or sacrifice the weight balance/ wheel base. I agree it's a pita but not sure how they could improve it under the circumstance...
  20. toms89

    Diesel swap

    You should start a thread or writeup when you do your conversion so we can follow your progress. :)
  21. toms89

    RV Cam

    I used comp cams 102500 with my expy build but it would be considered aggressive for a near stock expy. I have used lunati cams in the past with my mustang and loved it. By rv cam I assume you looking for extra low end torque. The 102100 is probably what your looking for and should work...
  22. toms89

    Expy fun

    Very nice! I think you have earned the title for the most radical lifted expy! :hail:
  23. toms89

    Hello from Maryland

    :welcome:
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