Quote:
Originally Posted by ls1nova71
In 2007 they changed the truck body style and the new ones got GenIV engines. They also made some of the old body style with the GenIII engines and called them Silverado Classics but ive only ever seen them in 1/2 tons, so you probably have the newer one. Post up a pic of what you have, they're pretty easy to tell apart.
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No production GMT-900 pick-ups had a 4L80E, They switched to the 6L90E in 3/4 & 1 tons, The 1/2 tons still had the 4L60E for a couple years.
GM sold 2007 Silverado Classics in 3/4 & 1 ton versions.