Auctions America Auburn Fall Spotlight: 1974 Pontiac Trans Am SD-455

By Auto News Log • August 2nd, 2012

This rare 1974 Pontiac Trans Am SD being offered is an unmolested original with less than 16,000 miles registered on the odometer, and this figure is reported to be correct by the owner. The car is in a condition that reflects its undemanding use by the original owner. Many respected experts consider the 1974 Pontiac Trans Am Super Duty (SD) 455 to be the last true American muscle car. The Trans Am is powered by the rare 455-cid SD V-8 engine. The power output is listed as 290 to 310 horsepower, but most serious observers believe that these figures are quite conservative. All Super Duty engines were built by hand; they have a fortified engine block with four-bolt main bearings, forged pistons, free-flow round-port heads, Ram Air exhaust manifolds, 800-cfm Rochester quadrajet four-barrel carburetor and a dry-sump oiling system. This represents the last year for true dual-exhausts and no federal emission controls. The powerful engine is connected to the desirable Muncie four-speed manual transmission with Hurst shifter. The standard gear ratio for the Super Duty model is 3.42:1. Only 943 Super Duty Trans Ams were produced in this model year; 212 with the four-speed transmission, as seen in this car.

The collector car world will celebrate one of its longest running automotive traditions during the upcoming Labor Day weekend when thousands flock to Auburn, Ind., for Auctions America by RM’s third annual Auburn Fall auction, Thursday, Aug. 30, to Sunday, Sept. 2. More than 1,200 classics, hot rods, exotics, muscle cars and more, each carefully-reviewed by America’s leading collector car experts, will cross the block at the historic Auburn Auction Park.

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