Axle, rear, 3.27:1 final drive ratio

Years 1987–89, 2009 Models 2 Factory citations 1

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Also described as Axle, rear, 3.27 ratio

Also documented for Cadillac Chevrolet

Documented applications

Firebird — Third generation (1982–1992)

1987–1989 Single-source

3rdgenformula names a Borg-Warner 9-bolt axle; Firebird years: 3rdgenformula option pages 1987–1989

G8 — Zeta (2008–2009)

2009 Factory-verified

GM factory document — 2009 pontiac g8 rpo code list, p.1.

This page aggregates every documented appearance of GW6 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.