Thread: GMC
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Old 11-25-2022, 09:26 PM
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Bill Hanlon Bill Hanlon is offline
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Sorry, I shouldn't have said SM-319 which is an OD 3 speed. It was NOT offered in the GMCs from 55-59.

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My Pontiac is a '57 GMC with its original 347" Pontiac V8 and dual-range Hydra-Matic.
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