M38 ⚠ Disputed

Pontiac · Regular Production Option

3-speed manual floor shift

Years 1975 Models 1

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Also documented for Chevrolet

Documented applications

Firebird / Trans Am →

• 1975 ⚠ Disputed

  birdfire lists M38 twice (also as THM) — one is an error

This page aggregates every documented appearance of M38 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.