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Message: <blockquote data-quote="stutaeng" data-source="post: 24734" data-attributes="member: 6175">All 2500 SUVs (Suburbans and Avalanches) used leaf springs, this includes the GMT800/900 and the K2xx Suburban 3500HD.All Express/Savana vans also used leaf springs: 1500, 2500 and 3500s. I believe they are similar to the trucks, in that the 1500 frames (6 lug) are different than the 2500/3500 (8 lug) frames. IDK how the SUV leaf springs compare to the van leaf springs. I do know the SUV leafs are different length as the pick-ups, so they don't swap. But unfortunately, none of those will work with coil spring suspension.I was going to suggest swapping/modifying to rear leafs on the Tahoe, but I did a search on Google and didn't find anything on it. Would require some welding and fabrication.The stiffer rear coils seem like the ticket for you.</blockquote>