8hp70 transmission controller?

Here's a video of the TCU mods necessary for the TurboLamik



I would bet that's what BoostedMotorsports had done when he shipped his off in the previous video I posted.

Doesn't look all that hard.

BTW, 8speed.au does sell the cover they had machined:

https://www.8speed.au/products/8hp-mechatronics-tcu-cover