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from what it feels like i think the problem is the lockup. IIRC the 4l80e can lockup in 3rd and up, and I'm definately not getting it.

Any idea where to start (besides google, I'll do that...

hmmm ok. I had my 4l80e done at All World out in Waukesha.
Now that you say something I'll have to drive it again quick and see exactly what I'm feeling. IIRC i think lockup is actually the...

I remember doing the road test with Tom checking the shift point, but don't remember talking about the overdrive. On my extended trip to ky and back, I noticed that it was hesitant to go into o/d,...