Kinda reminds me of one of the camino's I looked at years ago before buying mine. Everything these good ole boys were selling was advertised at getting twenty something miles per gallon including the 77'trans am big block turbo400.
Has anyone called the guy? He indicated that he is outside a lot. Perhaps he just didn't put a decimal point in the listing. It could be he is asking $100.00. That would be a great addition to your collection. Some paint, tires, and pull the bumper back out and bada-bing, you have another nice 5 th gen. oke: