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Re: GM RPO lookup
Posted to Technical Discussion Forum on 4/30/2020 3 Replies

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Bob, was that a recently issued list? Surely they have repeated usage of codes throughout the past 20 (or 50) years, (e.g. the LS6 was a 454 at one point). So if we are looking at a 15 year old car, ... Login to read more.

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