- 1973–1974 Confirmed
Trans Am & Formula only; sales code 35X; ’73 engine block code X; 252 built ’73 (T/A), 943 T/A + 58 Formula ’74
LS2 Confirmed
Documented applications
This page aggregates every documented appearance of LS2 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.