Engine Code

[crepitus]

I see you guys talking about all these engine code numbers. Can you tell me what the codes are? for example i have the 310 hp aluminum 5.3. what is the code for it?

[carguru]

L33.

 

LM7 is the regular 5.3L

L59 is the flex fuel 5.3L

[crepitus]

thanks.

[kdm101]

Here's some more:

 

Vin code ID Displacement

V LR4 4.8L

U LQ4 6.0L (standard)

N LQ9 6.0L (high output)

W L35 4.3L

[toyoman28]

8th digit of the VIN# is the engine code

 

B = 310 hp alum. block

 

not sure what letter the iron block 5.3 is ...