Mud in my Veins
Join Date: Mar 2000
Location: Paducah, KY
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In 88 all half tons had the IFS, I think light duty 3/4 tons too. All HD 3/4, and 1 tons went to IFS in 90 or 91, I can't remember which or if they were both available. In 92 the Blazers (Jimmies too) and Suburbans went to IFS. So 92 was the first year there were no solid axles in the GM stable. Hope this helps.
1992 Blazer Sport, 350 TBI, Gibson 3" cat back, 4L60, K&N, Rancho 3" lift, 285/75R16's on 16x8 Bajas