Came across this today.....
"So this seems like a good idea..... A Flying Pinto Car/Plane
The craft, a Mizar Flying Car, was a Ford Pinto powered by a 300-horsepower Lycoming aircraft engine and using the wings of a Cessna Skymaster bolted to braces on the frame.The craft was also equipped with a car engine to drive on the highway.
Unfortunately, the flying machine had a catastrophic wing failure after takeoff on Sept 11, 1973, crashing and killing both on board.
Yes, the Flying Pinto exploded."