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Old 06-18-2009, 02:29 AM   #1303
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Join Date: Nov 2003
Location: Venice Beach
Posts: 295
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1 - Spacers between the upper arm mounts and the bulkhead (like in the picture) reduce camber gain by lengthening the upper arm.

2 - Spacers on the inside of the front axle widen the front track width and also soften the front spring rate a bit by moving the leverage point farther away from the spring.

3 - Spacers between the lower arm and bulkhead widen the front track width but leave the spring rate unchanged.

Sean doesn't say what arm he shimmed, but if I were to guess, I'd say #1. It would take a little bite out of the front-end and smooth it out a touch through the turns on the high grip track. Sean will chime in shortly with the correct answer.
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