Rear Axle - 3.70:1 Ratio

Years 1963–79 Models 2 Factory citations 2

Also described as 3.70 axle ratio

Documented applications

Chevelle / El Camino

1965–1966, 1968 Factory-verified

GM Heritage factory kit — 1965 Chevrolet Chevelle, p.10.
GM Heritage factory kit — 1966 Chevrolet El Camino, p.3.

Impala / Full-Size

1963–70s (varies) Confirmed

This page aggregates every documented appearance of G75 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.