If I put 2" lowering springs on my car will it have any negative affects on tire wear or other components?

 

It will wear your other suspension parts out early if you do not take certain steps.

some of the tech articles at sethirdgen.org may help you. Look at the lower control arm relocating bracket article.

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Flowmaster 80 series muffler
Gutted Cat
K&N Open Element cleaner
Ultimate TBI Mods
Subframe Connectors
GM Wonderbar
lead pedal foot . See my project rocket turtle @
http://oursportscars.homestead.com/firebird.html