580hp 1976 Buick Electra Sleeper

This 1976 Buick Electra is a true sleeper, boasting a remarkable 580 horsepower from its original 7.5-liter V8. While the engine retains the matching numbers block and crank, every other component has been rebuilt or replaced, delivering significant power increases over its factory figures. The car retains its original TH400 transmission, delivering the power to the rear wheels. Notably, the exterior and interior remain mostly stock, aside from modern wheels, maintaining its understated appearance. The result is an impressive sleeper that surprises with its performance while preserving classic elegance.