Quote:
Originally Posted by clinebarger
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.
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And don't forget my favorite, FLEET PURCHASE! Anything in a commercial chassis or from a fleet purchase is usually on the classic setup (vans and commercial trucks have been 2-3 years removed in some cases).