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A review of the Pure Oil Performance Trials conducted at Daytona International Speedway are presented. Background information pertaining to conducting of tests, design of the equipment, and instrumentation required for the various events are discussed. The performance trials have evolved into three basic tests -- Economy, Acceleration, and Braking. The objective of the Performance Trials is to provide data that motorists can utilize in evaluating new cars and selecting new models.

Background of the Pure Oil performance trials on six classes of automobiles is presented and the evolution of test requirements described. Three tests are run: the economy test to establish how far a vehicle can go over a prescribed course on one gallon of gasoline; the acceleration test which determines acceleration time from 25 to 70 mph in seconds; and the braking test where stopping distance in feet is measured for a stop from 60 mph. Each test is described from the point of view of rules, recording instruments, and penalties for infractions of rules. Test results are presented.