Quote:
Originally Posted by 1966Stepside
So I'm checking out my '06 5.3/4l60 I picked up, and it looks like it has a return line on the fuel rail. I'm a bit confused by that, since I was under the impression that starting in '03 or thereabouts the fuel rails switched from having a return to not having one. Can anyone clarify?
Also, do all of the LC9s have VVT and AFM?
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A 06 FlexFuel 5.3L would be a Gen III L59, Gen IV LC9s didnt come out untill 07 in NBS Silverados.
Did you find the VIN, Were all confused on what you have.
Heres a pic of a 06 FlexFuel L59, Notice the returnless stainless steel fuel rails V.S. plastic on a regular LM7 5.3