I just replaced the rear shocks and coils on my 91 4Runner. I installed Performance Products 1" progressive springs and Doetch Tech MV-12 shocks. There's a noticeable improvement in the ride, and it doesn't bottom out like it did before. My concern is how the top 4 coils are pressed against each other (on both sides) The ride height is perfect, and it drives very nice...so, any concerns with the coils? Here's a couple shots of the springs (vehicle unloaded)-

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Last edited by greg_mgm; 03/29/08 11:39 PM.

91 4Runner V6 Auto 4x4 Performance Products progressive rear springs, Doetsch Tech MV 12 shocks, Rancho 9000 front shocks.