L74 ● Confirmed

Pontiac · Regular Production Option

400 Ram Air III (366 hp)

Years 1969–70 Models 2

Also described as 400 HO / Ram Air III400 Ram Air III (345 hp)

Documented applications

Firebird / Trans Am →

• 1969–1970 ● Confirmed

  Std engine of 1969½–1970 Trans Am

• 1970 ● Confirmed

  Std Trans Am, opt Formula; 3,108 T/As

GTO →

• 1969–1970 ● Confirmed

  GTO (std on Judge)

• 1970 ● Confirmed

  GTO

This page aggregates every documented appearance of L74 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.