Engine, 5.7L V8, CPI

Years 1963–65, 1996–07 Models 7 Factory citations 34

Also described as 409 CID V8 400hp409ci 400 hp V8 (solid lifter, 1x4-bbl)Engine, gas, 8 cylinder, 5.7L, CPIEngine, 5.7L V8 (Vortec 5700), CPI

Also documented for Cadillac GMC

Documented applications

Impala / Full-Size

1963-65 Factory-verified

(special high performance-solid lifter cam/1-4bbl) $320.63 for 1963

GM Heritage factory kit — 1963 Chevrolet, p.9.
1963–1965 Factory-verified

GM Heritage factory kit — 1963 Chevrolet, p.9.
GM Heritage factory kit — 1964 Chevrolet, p.5.

C/K pickup — GMT400 (1988–2000)

1996–2000 Factory-verified

GM factory document — 1998 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM factory document — 2000 chevrolet chevy c pickup 2wd rpo code list, p.1.
GM Heritage factory kit — 1996 Chevrolet Truck, p.16.
GM Heritage factory kit — 1997 Chevrolet Truck, p.17.

Express — GMT600 (1996–2002)

1996–2002 Factory-verified

GM factory document — 1998 chevrolet express rpo code list, p.1.
GM factory document — 1999 chevrolet express rpo code list, p.1.
GM factory document — 2000 chevrolet express rpo code list, p.1.
GM factory document — 2001 chevrolet express rpo code list, p.1.
GM factory document — 2002 chevrolet express rpo code list, p.1.
GM Heritage factory kit — 1996 Chevrolet G Van, p.63.
GM Heritage factory kit — 1997 Chevrolet Express, p.18.

Silverado — GMT800 (1999–2007)

2003–2007 Factory-verified

2005–2007: heavy-duty models only (GM’s HD list)

GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.
GM Heritage factory kit — 2003 Chevrolet Silverado 1500, p.47.
GM Heritage factory kit — 2007 Chevrolet Silverado, p.60.

Silverado HD — GMT800 (2001–2007)

2003–2007 Factory-verified

GM factory document — 2003 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2004 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2005 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2006 chevrolet chevy c silverado 2wd rpo code list, p.1.
GM factory document — 2007 chevrolet silverado classic 2wd rpo code list, p.1.

Suburban — GMT400 (1992–1999)

1996–1999 Factory-verified

Standard engine in the 1996 and 1997 guides, which print it as the Vortec 5700 V8 with SFI

GM Heritage factory kit — 1996 Chevrolet Suburban, p.4.
GM Heritage factory kit — 1997 Chevrolet Suburban, p.13.
GM factory document — 1998 chevrolet chevy suburban 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet chevy suburban 2wd rpo code list, p.1.

Tahoe — GMT400 (1995–1999)

1996–1999 Factory-verified

The 1996 and 1997 kits print it as the Vortec 5700 V8 with SFI

GM factory document — 1998 chevrolet tahoe 2wd rpo code list, p.1.
GM factory document — 1999 chevrolet tahoe 2wd rpo code list, p.1.
GM Heritage factory kit — 1996 Chevrolet Tahoe, p.12.
GM Heritage factory kit — 1997 Chevrolet Tahoe, p.12.
GM Heritage factory kit — 1998 Chevrolet Tahoe, p.40.
GM Heritage factory kit — 1999 Chevrolet Tahoe, p.12.

This page aggregates every documented appearance of L31 in the Chevrolet reference. Confidence and citations are shown per application — the same code can be better documented in one year than another.