Another thing you could work on is the whole manumatic idea, since it's a #x##E version.
I bet you if you shift the selector into the lowest gear, take off like a moron, foot to the floor, you won't hit redline. The TCU will automatically shift without your input (via the selector lever). That means you can manually control when the TCU sets shift points with switches, and you can probably manually control TC lockup as well.
If you're worried about the transmission dying, doing the mods will just kill it faster (in your mind) so you can swap to a manual sooner.

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