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Do you recall what air pressure you were running ? I had mine at 13psiOur frame heights are pretty much the same and why Toyota routed the exhaust under the frame on a Landcruiser, I will never understand. Perhaps it had to do with the tandem cats. Post run analysis has me informed of two things: I need to repair and armor my rear LCA frame mounts, and, the air pressure I chose to run was too high based on what I see in the videos. Other than this my only question concerning vehicle performance has to do with the Dobinson rear 3" tapered springs vs the Slee 4" hd progressive springs I'd been running past few years. The Dobinson's compressed more under the heavy load of a big trip such as this one and also allowed deeper compression and more side to side sway on the trail which translates to more slider and rear bumper impacts with rocks. some of this might be better controlled with fancy, high dollar shocks and a thicker anti-sway bar. I think I will put the Slee springs back in for such trips in the future. Don't get me wrong, the Dobinson equipment is great and puts a smile on my face in most all situation's.