Inside The Shop Building The World’s Quickest (& Quietest) Classic Minis - CleanTechnica

Gildred Racing, based in Buellton, California, specializes in transforming classic Mini Coopers into high-performance vehicles through comprehensive restorations and powertrain upgrades. Their "Super Cooper" program replaces the original 40-horsepower engines with significantly more powerful options, including small Honda engines, high-output gas engines, and notably, electric drivetrains using Electric Classic Cars’ bolt-in EV conversion kits. These kits allow for a relatively straightforward swap, installing a Tesla motor and battery packs within the Mini’s compact frame, while also enhancing chassis rigidity. The shop customizes each build extensively, from metalwork and paint to suspension and brakes, to handle the increased power—ranging from tasteful street setups to race-spec builds. Driving the electric Super Cooper reveals a dramatic difference from the original combustion model, offering instant torque, superior handling, and a quiet cabin while maintaining the classic Mini’s iconic feel and steering. With over 20 years of experience, Gildred Racing has worked on various Mini