a Smokey Yunick story I hadn't heard before

Jalopnik just posted a top ten list of awesome cars that were banned from racing, and the Chevelle was mentioned with a story I hadn't heard. They didn't mention the 7/8th scale, they told why he pulled this trick off, once. And this may be just a yarn, but "he proved the car's legitimacy by using the first body template in Nascar. He measured his race car, and then put those measurements on a Chevelle pulled from the parking lot. They matched exactly. The officials were not aware however that the test car also belonged to Smokey."