To the Original Poster:
When using an Anti Roll bar, The spring rates should be even. The ARB is now controlling Body Roll, Not the Springs
Quote:
Originally Posted by HandOverFist
Can't say what's what yet as the car hasn't been to the track yet. Using Team Z uppers, Southside lowers and stock GT springs...I elected to leave the factory sway bar on for the first attempt.

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I would suggest not using the South Side and The Team Z uppers together. Both of those bars are trying to accomplish the same goal, changing the suspension geometry. I would use one or the other. The Team Z bars are what I use in my car. I have an NMRA Coyote Stock car that makes 450rwhp and weighed 2700lbs and went a 1.29 60 with Team Z products.