A 1970 Chevelle and a 1969 Camaro have been arguing over GM muscle car supremacy for more than fifty years, and neither side has ever fully won. One brings 454 cubic inches and up to 450 factory horsepower; the other brings the most coveted body style of the first-generation Camaro and a lighter chassis to match. Read on to find out why General Motors basically built this rivalry on purpose — and why it still hasn’t been settled.