Anyone ever heard of a Buick GTX?? I have buddy who will be working on it next week, it's a 87 T-Type with a non-turbo V8. The owner claims it has 2400 orginal miles, he is the only owner and it was purchased of the showroom floor. I know Plymouth has a GTX and of course there's the GNX but he claims it's a T-Type with a V8 and the Buick Dealer where he purchased the car calls every year and offers to buy it back. Anyone???