1400 HP Twin-Turbo 1987 Buick Grand National "GNXS" Pigeon Forge Rod Run - ScottieDTV Dirty Dozen

At the 2026 Spring Pigeon Forge Rod Run, I caught up with one of the most insane, no-compromise pro-touring builds on the planet: Angelo Vespi’s 1987 Buick Grand National, better known as the "GNXS." Built by Paul Van Nus and the elite crew at Dutchboys Hotrods, this jaw-dropping machine was a natural fit for the 2026 ScottieDTV Dirty Dozen inside the LeConte Center! In this widescreen 4K feature, I sit down with Paul from Dutchboys Hotrods to get the full story behind this four-year masterpiece. Winning the Goodguys PPG Street Machine of the Year was just the beginning—this car completely redefines what an '80s G-Body can be. Dutchboys threw out all the notorious factory plastic trim and hand-fabricated the front end, bumper strips, and aggressive GNX-inspired fender flares entirely out of sheet metal and aluminum, finished in a flawless, mile-deep Black Glasurit paint. Under the hood, the factory V6 is long gone. Instead, Paul walks us through a Pro Mod-inspired, twin-turbocharged 427ci Mast Motorsports LS7 V8 pushed to an absolute limit of 1,400+ horsepower. With a fully custom Dutchboys chassis, Detroit Speed suspension, Greening Auto center-lug wheels, and a mind-blowing, 3D-printed custom leather interior by Avant Garde Design, there isn't a single factory piece left untouched. Check out the interview with Paul as he breaks down the incredible engineering, the fabrication challenges, and the sheer vision it took to build the ultimate sinister street machine. Leave a comment below—is this the baddest Buick Grand National ever built? Don't forget to Like, Share, and Subscribe to the ScottieDTV YouTube channel for more exclusive, high-end car features!
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