Look for the magazines that is called street freaks, i think thats the name i will look, and by the way not all of them had straight axles under the front, i was born in the 60s , and my 71 nova i had, had the airshocks all the way up, with the big tires, chromed out engine, i loved those cars, never was into pro street. As for the old pro street cars, look under indiana craigslist theres a few of them that there trying to get rid of and cant and there cheap.