The Most Powerful Chevy Engines of the 1970s

CHICAGO, IL - JULY 23: A Chevrolet emblem is displayed on the front of a dealership on July 23, 2014 in Chicago, Illinois. GM today announced the recall of another nearly 720,000 Chevrolet, Cadillac, Buick and GMC vehicles for various defects. (Photo by Scott Olson/Getty Images)
CHICAGO, IL - JULY 23: A Chevrolet emblem is displayed on the front of a dealership on July 23, 2014 in Chicago, Illinois. GM today announced the recall of another nearly 720,000 Chevrolet, Cadillac, Buick and GMC vehicles for various defects. (Photo by Scott Olson/Getty Images) /
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LAS VEGAS, NV – AUGUST 08: Hunter S. Thompson’s 1973 Chevrolet Caprice named “Red Shark” is displayed at the Cannabition Cannabis Museum on August 8, 2018 in Las Vegas, Nevada. (Photo by Gabe Ginsberg/Getty Images)
LAS VEGAS, NV – AUGUST 08: Hunter S. Thompson’s 1973 Chevrolet Caprice named “Red Shark” is displayed at the Cannabition Cannabis Museum on August 8, 2018 in Las Vegas, Nevada. (Photo by Gabe Ginsberg/Getty Images) /

1973 LS4 454ci

In 1973 the 454ci V8 LS4 engine produced 275hp. Hunter S. Thompson’s “Red Shark” was a bit under powered for its cubic inch displacement.