Authenticity reference

Transmission and axle codes

date correctness · documented

Reference Details

Common issue: Replacement units, unreadable stamps, or ratios inconsistent with documentation · 1959 Chevrolet Corvette
Confidence: documented · 1959 Chevrolet Corvette
Correct value: Type, assembly date, shift, ratio, and Positraction codes coherent with engine and option claims · 1959 Chevrolet Corvette
Where to check: Transmission case/flange and right-front differential carrier · 1959 Chevrolet Corvette
Common issue: Replacement units, unreadable stamps, or ratios inconsistent with documentation · 1960 Chevrolet Corvette
Confidence: documented · 1960 Chevrolet Corvette
Correct value: Type, assembly date, shift, ratio, and Positraction codes coherent with engine and option claims · 1960 Chevrolet Corvette
Where to check: Transmission case or flange and right-front differential carrier · 1960 Chevrolet Corvette
Common issue: Replacement units, unreadable stamps, or ratios inconsistent with documentation · 1961 Chevrolet Corvette
Confidence: documented · 1961 Chevrolet Corvette
Correct value: Type, assembly date, shift, ratio, and Positraction codes coherent with engine and option claims · 1961 Chevrolet Corvette
Where to check: Transmission case or flange and right-front differential carrier · 1961 Chevrolet Corvette
Common issue: Replacement units, unreadable stamps, or ratios inconsistent with documentation · 1962 Chevrolet Corvette
Confidence: documented · 1962 Chevrolet Corvette
Correct value: Type, assembly date, shift, ratio, brake package, and Positraction codes coherent with the engine · 1962 Chevrolet Corvette
Where to check: Transmission case or flange and right-front differential carrier · 1962 Chevrolet Corvette

Cars With This Authenticity Marker

4 linked car pages.

1959 Chevrolet

1959 Chevrolet Corvette

Two-seat fiberglass convertible with clean hood and trunk surfaces

1960 Chevrolet

1960 Chevrolet Corvette

Final rounded-tail C1 with quad headlamps, tooth grille, and body-side coves

1961 Chevrolet

1961 Chevrolet Corvette

First Corvette ducktail rear with four round taillamps and a cleaner toothless grille

1962 Chevrolet

1962 Chevrolet Corvette

Final C1 roadster with exposed headlamps, external trunk, body-color coves, and four round taillamps

Sources & Documentation

General Motors Heritage 1959 Chevrolet Corvette Vehicle Information Kit

National Corvette Owners Association 1959 Corvette Engine, Transmission, and Rear Axle Numbers

General Motors Heritage 1960 Chevrolet Corvette Vehicle Information Kit

National Corvette Owners Association 1960 Corvette Engine, Transmission, and Rear Axle Numbers

General Motors Heritage 1961 Chevrolet Corvette Vehicle Information Kit

National Corvette Owners Association 1961 Corvette Engine, Transmission, and Rear Axle Numbers

General Motors Heritage 1962 Chevrolet Corvette Vehicle Information Kit

National Corvette Owners Association 1962 Corvette Engine, Transmission, and Rear Axle Numbers

Corvette Action Center 1962 Corvette Identification Numbers