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Since engine dynos and chassis dynos load an engine differently, a motor will usually require different carburetor jetting once a car is ready to hit the street. Furthermore, we ran our 532 on the engine dyno during the winter, but it was the hottest time of the year during our chassis dyno session. Consequently, while the motor performed best with 90 jets on the engine dyno, it preferred 96 jets on the chassis dyno. Here, Jim Kitchen of Bill Buck Race Cars and Clarkson make quick work of the jetting changes. View Related Article
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