1981 C3 Assembly Instruction Manual - Original Build Documentation 14020870 - OEM Number(s) (14020870)
Exact Factory Build Instructions for Your 1981 Corvette
Our 1981 Corvette Assembly Manual is an exact reprint of the factory-issued manuals used inside the St Louis and Bowling Green Assembly Plants. Every page captures Chevrolet’s original build procedures, complete with on-line notations, part numbers, available options, and authentic assembly diagrams. This manual represents the same essential reference relied upon by UAW craftsmen and GMAD assembly technicians to build your 1982 Corvette.
Why This Manual Matters
These weren’t made for public release—they were Assembly Line Manuals created exclusively for use within Chevrolet production plants. From mid-1981 onward, Bowling Green became Corvette’s permanent home, where every 1981 Corvette was assembled with guidance from this master manual.
Features of the 1981 Assembly Manual
• Factory-issue diagrams and part installation sequences
• Mandatory fastener types, torque specifications, and sealant details
• Complete 1981 base vehicle systems plus option-specific instructions
• UPC groupings and RPO codes for simplified reference
• Engineering Change documentation reflecting mid-year updates
• 400 plus pages, 8-1/2 x 11 softbound format, over 2 pounds total weight
Because Details Matter
Chevrolet’s own assembly guidance ensures your 1981 Corvette restoration matches factory standards. At Mid America Motorworks, we’re proud to supply the same information once trusted by Bowling Green’s assembly teams—panel by panel, bolt by bolt.
For a deeper look at how Assembly Manuals were used in GM’s factories, explore:
Understanding Your Corvette Assembly Manual
1973-1982 Corvette Build Sheets
Also known under these part numbers: (For reference only)