Engine, gasoline, 8 cylinder, 5.7 liter, sequential fuel injection, aluminum, General Motors

Years 1970, 1998–02, 2004 Models 3 Factory citations 5

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Also described as 400 Ram Air IV (370 hp)Engine, gas, V8, 5.7L, multiport fuel injection, aluminum

Also documented for Chevrolet

Documented applications

Firebird / Trans Am

1970 Confirmed

SPO special-order, not regular RPO; 88 Trans Ams

Firebird — Fourth generation (1993–2002)

1998–2002 Factory-verified

the 1998 list prints SFI (sequential fuel injection); 1999–2002 lists and the NICB tables print MFI; shared F-body code; Chevrolet Camaro kit

GM factory document — 1998 pontiac firebird rpo code list, p.1.
GM factory document — 2002 pontiac firebird rpo code list, p.1.
GM Heritage factory kit — 1998 Chevrolet Camaro, p.38.
GM Heritage factory kit — 2002 Chevrolet Camaro, p.24.

GTO — Fifth generation (2004–2006)

2004 Factory-verified

The 2005 and 2006 lists do not carry it.

GM factory document — 2004 pontiac gto rpo code list, p.1.

This page aggregates every documented appearance of LS1 in the Pontiac reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.