- 1987–1989 Single-source
Firebird years: 3rdgenformula option pages 1987–1989
U52 Single-source
Also documented for BuickCadillacChevroletGMC
Documented applications
This page aggregates every documented appearance of U52 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.