Anthony Thomas The later 93x were precursor to the 965 and 962 as these cars dominated Group 5 in Europe, the only people to stand up to them was the Zakspeed developed 2L Ford Dual Cam Turbocharged engine. Which ironically was raced in IMSA the early 80's in GTX (Roush-Zakspeed Mustangs/Miller Bear Mustang) with one Kevin Cogan....