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Mailbag: Detuning a Chevrolet 454 for Better Drivability

You’ve got questions. We’ve got the answers—the Summit Racing tech department tackles your automotive-related conundrums. This week, we’re helping a reader dial back the performance of his 454 for street use. A.K. Moberly, MO Q: I have a 1979 Camaro Z28 with a 1976 454 bored .030 inches over. The car has the following parts: Stock crank, rods, and

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