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4L60 Not shifting on time on 2-3 shift only at WOT

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Old Jan 8, 2015 | 04:34 PM
  #21  
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Hey alexandria, I'm in shreveport/bossier btw.
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Old Jan 8, 2015 | 04:41 PM
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Originally Posted by 01ssreda4
Cool man. Hope it works out for you. If it doesn't feel free to give us an updated tune and log and I will take another look.
Will do, thanks again.
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Old Jan 8, 2015 | 07:54 PM
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Originally Posted by 01ssreda4
MPH needs to be met first. Lower the 60mph down to say 55 to give it some breathing room, then it will meet that criteria and shift off of rpm only.
Everybody's on the same page in the thread, but just to add another voice ... I was tuning my buddy's tranny a few years ago, having done mine some time earlier. I had forgotten which had to be met first, and did it the other way around. The result was that it didn't meet the desired rpm at WOT. Once I swapped it to mph first it worked as desired.
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