Anyone install Edlebrock aluminum heads ?

OK, just playing with just line pressures can cause more issues than good.

Shift kits if used correctly will FIX many issues in some of these transmissions.

My point above is that sometimes a reader will take snippets of what is posted and read into what is being said and ignoring most of the important stuff.
Every TransGo kit has a well developed set of steps. You should not just take a little information and ignore the rest. Some of the steps are not easily reversed.

We are now on page 4 and I don't know if any of the above posts have helped. I am confused to what is needed.

My TransGo experience was not a good one. My inexperiance not the kit!
This was 25+ year ago and the problem was more me, not understanding the importance of the kickdown linkage and it's adjustment.