Plymouth sold over 45,000 Barracudas in 1970, but only 666 rolled off the assembly line with the 426-cubic-inch Hemi V8.

This model was truly insane, and there's a good chance it'll feed your favorite modern muscle car tire smoke in a drag race.

The car is one of just nine convertibles optioned with the 383 V8 with a four-barrel and an automatic transmission; it should have been a pace car ...