Engine, gas, 6 cylinder, 3.8L, multiport fuel injection, V6, supercharged

Years 1969–70, 1998–03 Models 5 Factory citations 6

Also described as Ram Air IV — required 4-speed/auto, Safe-T-Track, 3.90 axle400 Ram Air IV (370 hp) — required 4-speed or auto, Safe-T-Track, 3.90 axle400 Ram Air IV (370 hp)Engine, gas, 6-cylinder, 3.8 L, MFI, supercharged V6

Also documented for Buick Chevrolet Oldsmobile

Documented applications

Firebird / Trans Am

1969 Confirmed

Firebird 400 / Trans Am; 1970 RA IV became LS1

GTO

1969–1970 Confirmed

GTO/Judge
1970 Confirmed

GTO (Firebird's 1970 RA IV used UPC LS1)

Bonneville — Tenth generation (2000–2005)

2000–2003 Factory-verified

The 2003 list words it as sequential fuel injection.

GM factory document — 2000 pontiac bonneville rpo code list, p.1.
GM factory document — 2003 pontiac bonneville rpo code list, p.1.

Bonneville — H-body, 9th gen (1992–1999)

1998–1999 Factory-verified

Bonneville Club agrees.

GM factory document — 1998 pontiac bonneville rpo code list, p.1.
GM factory document — 1999 pontiac bonneville rpo code list, p.1.

Grand Prix — W-body, 7th gen (1997–2003)

1998–2003 Factory-verified

The 2003 list words it 3.8 L SFI, supercharged.

GM factory document — 1998 pontiac grand prix rpo code list, p.1.
GM factory document — 2003 pontiac grand prix rpo code list, p.1.

This page aggregates every documented appearance of L67 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.