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06-11-2019, 03:08 PM
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Registered User
Join Date: Apr 2019
Location: Bloomington IL
Posts: 4
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RPO codes
Ok so I know the rpo/option codes on the inside of the glovebox. The question comes when there are handwritten rpo codes on the upper part of the firewall that match what drivetrain is in the truck (1971 C10). RPO says its a 350 with a 400 behind it and the writing says ls9 and m38, and off to the left I am guessing is the order number? Just had me curious and I figured I would ask yall. Oh and long time reader first time posting.
Thanks, Joey |
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