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#option codes

Close-up of a 1960s Chevrolet Corvette tank sticker and RPO build sheet showing factory option codes stamped on metal inside the engine bay
Car Features

Corvette RPO codes and build sheet: how to read factory documentation

Tom Ramirez · · 9 min
Classic Ford Mustang identification plate with a magnifying glass
Restoration & Tech

Identification and Provenance: Decoding a Classic Mustang

Tom Ramirez · · 11 min
Close-up of a 1970 Buick GS 455 Stage 1 ram-air hood scoop and body stripe
Car Features

Factory Performance Packages Decoded

Tom Ramirez · · 6 min