Only 380 convertible GPs were powered by the 428 HO V8, released in 1967 to replace the Tri-Power 421; this loaded example ...

The 440-6 was a solid performer, but it wasn’t a common option, as the Dodge Challenger offered the 383 big-block as standard, and not the traditional 440-4 ...

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HP Tuners has unlocked the factory E68 engine control module, opening the door for aftermarket power upgrades for both the C8 ...