weez58

Anyone know what the VIN code letter is for the aluminum block 5.3 LM4 engine? I know they come in the 2004 Trailblazers and Envoys.

Thanks.

bustac

iTrader: (1)

I believe it is 8th character 'B'..

BORN2FLY

iTrader: (76)

5.3L: 2003-4 GMC Truck Envoy XL, 2003-4 Isuzu Ascender , 2003-4 Chevy TrailBlazer EXT (all with VIN "P", 8th digit) & 05-06 (all with VIN "M", 8th digit)

FYI:
4.3L (VIN X, 8th digit)
6.0L, VIN U (8th digit), (LQ4)
6.0L, VIN N (8th digit) (LQ9)
4.8L (VIN V, 8th digit)
5.3L, VIN T (8th digit, opt LM7)
5.3L, VIN Z (8th digit, opt L59)
5.3L, VIN B (8th digit, opt L33 HO aluminum and iron block)

blakern

iTrader: (9)

^^yeah^^

My 06 has the "M" its the aluminum block DOD 5.3

asalian

so if the 8th digit is T makes mine a LM7?

$O$OE

iTrader: (14)

its posted above ^^^