Chevrolet HT 383 Engine - The Twister, Part III
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Taylor also tried a set of Hedman Tork-Step headers on our 383 that feature an initial 1-1/2-inch primary pipe that steps up to a larger 1-5/8-inch pipe roughly halfway down the tube. In this configuration, the HT 383 preferred the standard 1-5/8-inch headers by a slight margin. View Related Article
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