No I think the Sauder had the highest top speed 225 mph if I remember correctly the lap was 3.44mins. The Peugeot set the lap record that weekend (of the current track configuration) which still stands today while trying to catch lead Audi before they exploded.

A Porsche 917 could probably get close to current top-shelf LM P1 cars. Those managed 3m13s in qualifying, and 3m18s in race. Granted, course configuration was different then. Still, despite getting close to half a century old, those 917s were devastatingly quick. They also held the distance record for nearly 40…