Dyno Tuning Basics - Jets, Timing, Camera, Action
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After strapping the Tempest to the dyno and warming up the engine, it set a baseline of 354.9 horsepower and 427.9 lb-ft of torque. Timing was set at 28 degrees total with 10 degrees initial. This carburetor began life as a mechanical secondary 850 and has been professionally modified by BG to flow 950 cfm. It was equipped with No. 82 jets in front and No. 92 jets in the rear. According to Keith Lohse of RPM, "The overall air/fuel ratio was rather rich at 10.0:1, considering that carbureted applications generally perform best between 12.4-12.8:1." View Related Article
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