18 Stroker 390 Dyno Test
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13 Dyno testing begins with 92 jets in the primaries to begin rich and gradually go leaner to prevent the risk of engine damage. Start with conservative timing and begin your pull with rich jetting on both sides. We suggest a plug reading first, which comes after a wide-open throttle pull under load at 4,500rpm, then a shutdown. Adjust the jetting to the plug reading. View Related Article
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