Thread: '69 L78 4.56 Chevelle
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Old 05-01-2022, 04:11 PM
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mockingbird812 mockingbird812 is offline
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Like the 427 COPO option, the special gear ratio options may not have been known by dealerships or customers. My ‘69 Chevelle’s OO put 4.88 gears in as soon as he hit the strips.
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