Jay Lenos Burbank garage holds an estimated 180 cars and 160 motorcycles, but a handful of American muscle cars keep coming up whenever he talks about the ones he loves most. A 1970 Dodge Challenger R/T and a 1969 Camaro Z28 sit alongside oddballs like the front-wheel-drive 1966 Oldsmobile Toronado. Here is what his favorites say about what makes a muscle car worth keeping.