That gives me something to think about. Seems like there is no getting around changing the rear end if I'm going to keep up with freeway traffic. I also see a 1962 C10, 3 on the column with a 235 engine. Had Chevy changed the rear end in the C10s by that time... wondering if it might keep up with traffic. Don't really care for the look quite as much as the 57, but as a daily driver it pays to be a little practical.