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Old 07-18-2002, 02:10 AM
ChrisS ChrisS is offline
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Default Re: How to tell a real GM window sticker from the repo

The alpha-codes that are the suffix to the RPO number that Tim was referring to, are ECLs or exception control letter codes. They were used in the assembly process to detail which parts were to be used in conjunction with certain options. It's rare that the reproductions get this correct, at least as far as the Corvette ones that I've seen
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