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The rear end ratio in a 1978 Chevy 1-ton truck with a granny gear 4-speed transmission typically varies based on the specific configuration and options chosen by the original owner. Common ratios for this model include 3.73, 4.10, and 4.56. To determine the exact rear end ratio for a specific truck, you may need to check the build sheet, the VIN, or inspect the rear differential for markings.

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2mo ago

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