Was checking out some Turbo Buicks and found this. A rare Y-56 T package non turbo. Has a pic of the SPI that confirms it. Only the second one I've ever seen!
http://www.ebay.com/itm/Buick-Regal-T-w-CLEAN-CARFAX-WE-FINANCE-87-Regal-T-Coupe-37-623-ORIGINAL-MILES-V8-Power-Windows-Dark-/350909223583?forcerrptr=true&hash=item51b3d1d29f&item=350909223583&pt=US_Cars_Trucks
http://www.ebay.com/itm/Buick-Regal-T-w-CLEAN-CARFAX-WE-FINANCE-87-Regal-T-Coupe-37-623-ORIGINAL-MILES-V8-Power-Windows-Dark-/350909223583?forcerrptr=true&hash=item51b3d1d29f&item=350909223583&pt=US_Cars_Trucks