RWD4G63
10+ Year Contributor
- 474
- 135
- Dec 7, 2011
-
Paw Paw,
Michigan
And so is adding lowering/performance springs. You guys are already lowering the pivot point for the ball joint and the tie rod end because of your lowered suspension, it seems only natural that one would prefer to raise the inner control arm attachment points and then lower the tie rod end on the upright to avoid bump steer. This would be a better option. It retains the stock ball joints, doesn't require modification to the lca's, doesn't apply a large bending load through your now taller ball joint, and can improve the caster at the same time. Also avoids an wheel clearance issues there as well.
You're failing to take into account a couple things. 1. There's very little room to raise the rear pivot point on the control arm. without doing that you're not actually raising the roll center. 2. The tie rod and control arm are not the same length, which means just because they're parallel doesn't mean there isn't bumpsteer, especially when you're actually steering the car around corners.