3 years, 4 championships, but 0 Le Mans wins: Assessing the Porsche 963

These days, costs are more firmly under control, and equivalence of technology has given way to balance of performance to level the playing field. It’s a controversial topic. IMSA and the ACO, which writes the WEC and Le Mans rules, have different approaches to BoP, and the latter has had a perhaps more complicated—or more political—job as it combines cars built to two different rulebooks.

Some, like Ferrari, Peugeot, Toyota, and Aston Martin, build their entire car…