gm engine vin codes
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for all of you going with the truck based ls engines, Look out, i just found out that my supposed 5.3 was a 4.8
so i found this, hope no one else gets ripped off.
Its the 8th number in the VIN
Engine codes for light trucks
VIN Size Type Fuel
1 6.6 L V8 Diesel
2 6.6 L V8 Diesel
B 5.3 L V8 RPO-L33 Vortec 5.3L 310 Alum Blk HO
D 6.6L V8 Diesel
G 8.1L V8 (Vortec 8100)
J 6.2 L V8 Diesel, Non-Turbo
L 2.5 L L4
M 5.0 L V8
N 6.0 L V8 (GENIII LQ9)
P 5.3 L V8
K 5.7 L V8 TBI
R 5.7 L V8 Vortec
S 4.2 L L6
T 5.3 L V8 (GENIII LM7)
U 6.0 L V8 (GENIII LQ4)
V 4.8 L V8
W 4.3 L V6 CPI
X 4.3 L V6
Z 4.3 L V6 EFI
![Cry](https://ls1tech.com/forums/images/smilies/LS1Tech/gr_cry.gif)
Its the 8th number in the VIN
Engine codes for light trucks
VIN Size Type Fuel
1 6.6 L V8 Diesel
2 6.6 L V8 Diesel
B 5.3 L V8 RPO-L33 Vortec 5.3L 310 Alum Blk HO
D 6.6L V8 Diesel
G 8.1L V8 (Vortec 8100)
J 6.2 L V8 Diesel, Non-Turbo
L 2.5 L L4
M 5.0 L V8
N 6.0 L V8 (GENIII LQ9)
P 5.3 L V8
K 5.7 L V8 TBI
R 5.7 L V8 Vortec
S 4.2 L L6
T 5.3 L V8 (GENIII LM7)
U 6.0 L V8 (GENIII LQ4)
V 4.8 L V8
W 4.3 L V6 CPI
X 4.3 L V6
Z 4.3 L V6 EFI