For 1987, Porsche manufactured and sold a series of showroom-stock 944 Turbo racecars in order to compete in the SCCA Endurance Series sponsored by Escort, a manufacturer of radar detection equipment.

Prepared by the motorsports staff at Weissach, these racecars received comprehensive modifications to take on the challenges of competition: The chassis were stripped of any unnecessary equipment, leaving little in the way of creature comforts, and strengthened throughout.

As such, these cars lack power windows, power steering, air conditioning, power seats, a radio, and a rear wiper.

Reduced noise insulation, undercoating, and the removal of fender liners further aided in reducing overall mass.

This weight loss program additionally included a fiberglass hood and the fitment of several magnesium parts including the wheels, intake manifold, and oil pan.

A larger turbo allowed the 2.5-liter inline four-cylinder to produce upwards of 250 horsepower and was joined by a strengthened gearb...