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Would you describe these chassis motions as "soft-bouncy" or more like "stiff-jiggly"? Mostly from the rear?
Norm
Stiff jiggly. It feels like it's mainly from the rear.
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Would you describe these chassis motions as "soft-bouncy" or more like "stiff-jiggly"? Mostly from the rear?
Norm
In that case, I suspect that the Eibachs are a little too soft to work optimally with the Bilsteins, especially if the valving of these Bilsteins was chosen with a range of firmer aftermarket springs in mind.
I actually ran into this situation on a different car (also a strut/IRS car), with Bilsteins specifically valved to work with lowering springs somewhat stiffer than OE, while I had kept the OE springs looking for more damping and no lowering. The ride could be a bit busy at times, and it was more composed than anyone would have expected if they knew that it was still riding on its production-stock springs. We put about 70,000 miles on those dampers before the engine seized, and the car was better-damped then than it ever was while it was on its OE shocks & struts (OE rear rebound damping in particular being insufficient even for gentle driving).
Norm
B12 is the kit which includes the B6hd and Eibach springs.
It looks like AM has them in stockRoush Mustang Lowering Springs 404472 (05-14 Mustang GT, V6) - Free Shipping
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