What are the differences in 06 5.3 vin Z and 04 5.3 vin Z
I have a 06 vin Z 5.3 that has 240k+ miles and have found a few 04 Vin Z 5.3s and was just wanting to know the differences in them? Also I have a friend who has an 04 5.3 vin t would that engine work in my 06 Silverado?




