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We were pulling out all the tricks in an attempt to shed unwanted weight from our porky, near-4,000-pound '70 Chevelle. As a final test, we bolted on a lightweight set of Center Line 15x4-inch wheels encased in featherweight Mickey Thompson E.T. Front drag tires, hoping that the reduced weight and decreased rolling resistance from the skinny tires would help our e.t.'s. For all tests the engine's coolant temp was at 170 degrees, and the torque converter was stalled to 2,000 rpm during each launch.