Day: 10

Mailbag: Carb Jetting for Atmospheric Conditions

Got questions? We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re making a few jetting changes to accommodate for high-humidity racing.                                 D.D. • Agana, Guam Q: I recently bought a 1970 Plymouth GTX. It came equipped with a Chrysler 440, a 750 cfm carb on an Edelbrock manifold, a stock Chrysler

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U.S. Nationals are History—Finally! All Eyes Now Focused on Countdown

Summit Racing teammates Greg Anderson and Jason Line returned to Indianapolis for the resumption of the rain-delayed Mac Tools U.S. Nationals armed with the information of two days of testing in Charlotte, NC. which They hoped this info would prove useful as conditions in the Hoosier State were completely unlike what they were a week

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