Buick GNX was a tremendous car, so damned fast, but a real fluke - a Buick turbo V6? Man, were they forward thinking with that thing. They'll never build anything like that again ... and anyone remember the old turbo Trans Am with the same turbo V6? It looked so much better, for an 80s domestic. I think that car even paced an Indy 500 or two. I read somewhere about the GNX: "Darth Vader outside, Rosanne Barr inside."
There are more turbo/auto Supras than turbo/6spds... and the auto Supra owners are pretty rabid about their cars. But the stress of a turbo is pretty wicked on a typical auto, especially a Honda - not known to take well to 50+ hp increases. Be careful, and good luck.