Three Wheel Car Ride "Automotive engineers drive a stock U.S. car from Chicago to Detroit with one wheel missing, a dramatic test of the new unit body construction that has cops in three states gasping." An engineer getting inside a car with three wheels. MS - The test car's front right wheel is missing. CUS - A traffic cop blowing a whistle see's the car drops the whistle out of his mouth smiling MS - Looks like a 1960 Cadillac. The last of the back fin. MS - The car driving down the highway and making the curve on the highway with no problem at all.