My NOTaVette

Any suggestions on how much the transmission can hold? I know the ls1 will hold decent power. Or what would be more than likely to blow on a safe tune?
here are some pics
Side view
Inside the shuttle
New tail lights
Suspension
Previous rear bumper was cracked so I bought this one
Skinnies in front
Car is dirty but another suspension angle
Side of weld
Another under the car view
Under the hood with a 3 inch spacer
Front
The NotaVette heart

