The Porsche 935 turbo of the late 1970s could achieve qualifying power figures over 850 horsepower by deliberately running the turbocharger at boost levels that induced microscopic fractures in the compressor wheel—fractures so small they wouldn’t cause failure during a single qualifying lap, but would completely destroy the engine afterward, making the technique viable only for one-lap attacks before complete rebuilds.
Car Fact #91 — September 15, 2026
