Retro, what idiot sold you a TGP for $75? Man those years are rare.
While the 3.1T is a cool swap, it's more economical for power/parts to put a 3.8SC from 97-03 GTP's. I was always waiting for the 3.1 in the Lumina to go out to do a 3.8SC swap but it never did even after 265,000 miles and...