During the first two years of Gremlin X production from 1972-1974, Randall Brothers AMC of Mesa, Arizona built a run of 20 Gremlins with an exclusive 401-XR package. In place of the 304 V8, each ...

The AMC 401 V8 engine doesn't have the same level of notoriety as some of its competitors, but it was a top spec powerplant for some of AMC's most iconic cars.

Its first AMC-branded car was the Marlin (1967), followed by the AMX (1968), Javelin (1968) and eventually the strange-looking Gremlin in 1970. ... The Gremlin's AMC 401-cid V8 is loud.

The first generation, for example, ... the AMC 401 CI V8. I really enjoyed playing around with this one, I hope you like it as much as I do! Have a great Monday!

With the first of the post-WWII "baby boom" generation turning 18 in 1964, ... Watch as RAD Auto Machine upgrades a 1969 AMC 390 V8 to 440 cubic inches and makes 517 horsepower and 589 ft-lbs. of ...

Teague later sold it to a fellow AMC colleague, Scotty Dawkins, who then swapped in a 390-cubic-inch V8 from an AMX just to get the car to move.

Thus, at its peak, the AMC 304 V8 kicked out upwards of 210 horsepower and 300 lb.-ft of torque in its early years but made a paltry 125 horsepower and 220 lb.-ft of torque by the end of its run.