727 3rd gear feels more like a down shift

Awrigt, now I have a mental picture; nice numbers. Very nice. The trap speed calculates to around 620 crank hp, and the ET is indicating 605 hp! So that's a pretty sweet tune.
I agree with your diagnoses, but am struggling with it being OK under power.

I could be powering through the shift so not noticing it. I'm good to run a 10.0 and hoping that this fix moves me closer to the mark. Wishful thinking!