1955 Chevy Transmission Rebuild - The 400 club
In Second gear, the clutches in the high-gear drum are not applied, and the drum spins backward at 82 percent of engine speed. Kilgore uses four short lengths of 1/8-inch-diameter silicone O-ring material to lightly shim each of the five metal spacer plates apart from the adjacent clutch plates. To minimize drag in Second gear, the O-ring spacers create a tiny air gap for the clutches when they are not applied. This is a thinking man's approach to trans building. View Related Article
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