Finding the Holy Grail: The Factory Build Sheet
Finding the Holy Grail: The Factory Build Sheet,Because cloned emblems and restamped trim tags are common in the classic market, the absolute definitive proof of a classic muscle car’s pedigree is the original Factory Build Sheet.
This piece of paperwork traveled along the assembly line with the car, instructing line workers which exact components to install. It maps out everything from your engine suffix code down to your exact transmission, suspension upgrades, and axle ratios.
Where to Look for a Hidden Build Sheet
- Under the Seat Springs: Tucked tightly under the front bucket seats or inside the rear seatback cushion frame.
- On Top of the Fuel Tank: Glued or taped securely to the top surface of the gas tank.
- Behind the Door Panels: Slipped inside the inner cavity of the interior door trim.
- Under the Carpeting: Pressed flat against the floorboards or under the thick sound-deadening insulation.
- Community Forums: Share photos of your tags and get real-time feedback from seasoned collectors over at the Team Chevelle Community Forum.
- Performance Engineering Reference: If you are upgrading your drivetrain or converting factory drum brakes to modern components, cross-reference your historical specifications with the technical deep-dives provided on the JEGS Chevelle Performance & Component Guide.