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Ken precisely degrees-in the cam in every engine Indy builds. For this engine, the camshaft was phased at 105 degrees installed intake centerline, which is 5 degrees advanced with the camshaft ground on a 110-degree lobe separation angle. With an installed intake centerline of 105 degrees, and the shorter exhaust lobe, exhaust overlap is reduced and trapping efficiency is enhanced, helping to further tame the large stick. View Related Article
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