1963 Pontiac LeMans Super Duty 421 - #749 A/FX (Highway 61) 1/18
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The original Super Duty 421 Lemans Tempests were Pontiac factory-built drag race-only coupes and station wagons, designed to combat other factory lightweights that had a weight advantage over the big Super Duty Catalinas. Two "mule" cars were built as Tempests, one in Silvermist Metallic and one in Yorktown Blue Metallic (Bill Shrewsberry was the driver), which were the testbed for the production series. Eventually six Lemans-badged coupes were built, along with six Tempest station wagons in Cameo White with blue interiors. All sported deceiving 326 V-8 emblems, cleverly hiding the 421 cubic inch monster lurking under the hood.
In addition to the 421 engines, the Super Duty Tempests featured aluminum front sheetmetal, aluminum bumpers and a unique clutch-operated 4-speed transaxle. This transaxle arrangement placed more weight over the rear tires and allowed clutchless shifting, much like modern drag racing transmissions. Special parts on the Tempest 421 SD's included dual 4-barrel carbs mounted on a medium-rise intake manifold (the Lemans had a high-rise "bathtub" intake), sealed aluminum cross-flow radiator with special overflow tank, and factory exhaust dumps. Other features included heater delete plates on the firewall, trunk mounted battery, and special "black box" access door to the transaxle and clutch assembly. Unlike the Lemans, the Tempest featured an all-chrome grille and bullet-shaped tailights.
Highway 61 Diecast Model No. 50151