The ZR2 uses lower front mounts for the rear leaf springs, lowering
the rear axle in relation to the truck. The front suspension uses
different mounting points to lower the components in relation to the
truck, it uses longer CV shafts. The rear axle is a shortened
version of the 8.5" axle from the full-size trucks. I've HEARD the
front portion of the frame is significantly different on ZR2 trucks
compared to a regular S-10. This all amounts to a 3" taller
suspension and 3"-4" wider track, and you CAN tell a difference. I
have a ZR2 S-10 and a co-worker has an S-10 4x4, non-Z and mine looks
like a bigger truck, not just taller, but the BODY looks bigger.
Oh yeah, the fenders are different, due to the flares and the liners
in the wheel wells are also different to allow for the larger tires to
flex into them off-road.
For more info, go to www.zr2.com
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