Authenticity reference

Block and cylinder heads

date correctness · documented

Reference Details

Common issue: Correct casting family with dates outside the car's defensible assembly window · 1961 Chevrolet Corvette
Confidence: documented · 1961 Chevrolet Corvette
Correct value: 3756519 early or 3789935 late block; 3774692 carbureted or 3782461 fuel-injected head according to engine path · 1961 Chevrolet Corvette
Where to check: Block casting area and head casting/date locations · 1961 Chevrolet Corvette
Common issue: Correct casting family with dates outside the car's defensible assembly window · 1962 Chevrolet Corvette
Confidence: documented · 1962 Chevrolet Corvette
Correct value: 3782870 block with 3782461, 3795896, or documented uncertain-use 3884520 head according to engine path · 1962 Chevrolet Corvette
Where to check: Block casting area and head casting/date locations · 1962 Chevrolet Corvette

2 linked car pages.

1961 Chevrolet

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

1962 Chevrolet

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