In the early 1990’s, one automotive market niche to open up seemed that of the ultra-performance pickup.  First it was the Chevrolet 454SS; however, that seemed mild compared to the turbocharged V-6 all-wheel-drive GMC Syclone. But what could have been the most outrageous of all was the Shelby truck prototype pictured here.  Ol’ Shel’s group … Continue reading 1990: Shelby Twin-Turbo Terror Truck