Oh that's a beauty. I'm a fan of the 1969 Yenko Chevelle L72 427 , a forgotten beauty these days and a lot of people probably didn't even know Chevy had a muscle car. That L72 427-inch big-block was good for 450hp and 460 lb-ft of peak torque thanks to the Yenko Super Tune. Those numbers are still impressive when compared to current offerings. But it'll forever be a pipe dream. I think less than 100 were produced and sold.