lb7 or lly [Archive] - Diesel Place : Chevrolet and GMC Diesel Truck Forums

: lb7 or lly


lock1up
02-13-2006, 11:27 PM
How do I find out if my engine is an lb7 or lly? I dont know where to look. HELP!!

DURAtotheMAX
02-13-2006, 11:29 PM
couple places...

8th digit of the VIN (1=LB7, 2=LLY)

or the glovebox RPO sticker. Look for the presence of "LB7" or "LLY".

Welcome to the Diesel Place..

--Ben

moss022
02-16-2006, 05:32 PM
look at the exhaust, if it has a cat, its an lly!

lock1up
02-23-2006, 12:29 AM
Sorry it took so long to get back. As soon as I posted my question I figured it out.