Out of curiosity is this consistent on 2nd run units? TBH, I have not run my 2nd Run PRR E7s as I don't have the layout for it yet. I have a 3 rail SPS one that I picked up off this forum that runs extremely smooth from the 1st run in spite of some of the early design issues. I also have a 3rd run PRR E7 which should share the running characteristics of the E8 and SD7/9. The newer models have improved due to lessons learned.
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