Aerodynamics

Racing Automotive Tuning

Excerpts from Circle Track Magazine, April 2004, by Henry Olsen Jetting a carburetor is one of the few “black arts” in the automotive world that is still a mystery to most racers and tuners, most tuners look at the spark plug, the exhaust port and the first 6 inches of the header for proper “color” and make a guess at what jet size change is needed. One of the disadvantages…

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