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The beginnings of Pontiac’s A-body platform were restricted by a corporate policy that limited the maximum engine size. The restriction first maxed out at 330 cubic inches in 1964, then it was lifted to 400 cubic inches for 1965. It wasn’t until 1970 that General Motors removed the limit entirely. The result? A Pontiac GTO stuffed with a bragworthy 455 HO V8 long-stroke engine like the one seen here.

GM’s L75 455 engine was built to please performance-minded muscle car fanatics. When optioned with the four-barrel 455, the 1970 Pontiac GTO was modestly rated for 360 horsepower at 4,300 rpm. The jaw-dropping statistic was its torque, which could reach a ground-pounding 500 ft.-lbs. at 2,700 rpm. Car and Driver once tested a heavily optioned factory four-speed 455 GTO and recorded a quarter-mile time of 15-seconds with a trap speed of 96.5 mph.

Pontiac built only 4,146 GTO muscle cars equipped with the 455 for 1970. Just 1,761 non-Judge 455-equipped Goats were built with the close-ratio four-speed transmission. This car, listed on Hemmings Auctions, is one of them.

Find of the Day: You Won\u2019t be Judged for Loving This 455 V8-Powered 1970 Pontiac GTO

The seller states that the “25-year-old” code-45 Palisade Green paint is still “in great condition.”


According to the seller, this muscle car still retains its numbers-matching engine. “It runs excellent,” he reports. The well-maintained Goat is mainly stock except for an interior color change from green to black, and minor details like a new steering wheel and gauges. Cruise to the auction listing for more details.

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Repair2Rev Episode 2: How to Repair 1992 C4 Corvette Seat Covers and Window Seals

In this episode, Riley and her dad, Dan dive headfirst into restoring a C4 Corvette. The episode kicks off with Riley and Dan demonstrating just how easy it is to give their Corvette's interior a fresh look. Viewers get an up-close look as they expertly replace worn-out seat leather, showcasing step-by-step instructions that make it accessible for enthusiasts of all skill levels. Next up on their restoration agenda are the pesky old window seals that have seen better days.

Riley and Dane show viewers how a simple fix can make a world of difference in both aesthetics and functionality. Finally, with all the hard work completed, it's time for the ultimate reward: a test drive in their newly rejuvenated C4 Corvette. As Riley takes the wheel, viewers are treated to the exhilarating sights and sounds of the open road, reminding us all why classic cars hold a special place in our hearts. Hemmings is the ultimate destination for finding your perfect ride. Head to Hemmings.com to register and start your search today

1940 Ford Deluxe Coupe, side view

GM V8 power from several generations dominates the list of vehicles successfully sold on Hemmings Auctions and Hemmings Make Offer this past week that are detailed here. Original condition, low-mile examples included a pair of cars with Corvette-sourced engines: a 1996 Impala SS with LT1 V8 power and a 2006 Pontiac GTO with a 6.0-liter LS2 that made the Australian-built coupe a potent performer. A 1955 Chevy 210 sedan street rod with Bel Air trim looked to have been modified by a builder with an exceptional eye for detail. The latest generation Corvette showed no signs of diminishing in the eyes of collectors, though we do hope everyone is enjoying driving these American-made exotics, like the 2023 Vette that changed hands last week. A ’40 Ford Coupe with a modified flathead V8 had all the old-school, stealth hot rod vibe anyone could ask for. Finally, a Fiat 600 Jolly replica gave off its own old-school vibes, but in more of a Mediterranean beachfront sort of feeling.

For the week of May 5 through May 11, a total of 46 listings crossed the Hemmings Auctions block. Including Make Offer listings of previously ended auctions, a total of 30 cars were sold, resulting in a net 65% sell-through rate. An additional 18 cars were sold via direct Make Offer listings.

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