1990 Audi with a Quad-Turbo LSx V8 Update 6 Deboss Garage continues work on the 1990 Audi V8 project for Rob Ferretti’s 2018 YouTuber Project Car Showdown. The Audi will run a destroked 4.8 L L33 V8 with four turbos, built Audi RS2 six-speed t...