Old Smokey: The 1,400hp, 6.7-litre, Ford F1 Race Truck | Top Gear American Tuned ft. Rob Dahm

What started life as a $225 beater has been transformed into a race-winning diesel sports truck. Builder Scott Birdsall started with a 1949 Ford F1 in poor shape and swapped nearly everything in it. The truck is powered by a 1400bhp 6.7-litre Cummins motor with a compound turbo setup, upgraded pistons, and full racing suspension. Rob takes this Pikes Peak racer out on the track and gives Scott the chance to drive his own 3-Rotor RX-7...

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