Ford Mustang Forum - View Single Post - Koni Yellows, rear end jumpy on bumps
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post #4 of (permalink) Old 08-01-2013
nsadams87xx's Avatar
Joined: Mar 2011
Location: Milwaukee
Posts: 3,124
You should probably get a least some better lower control arms but the biggest issue is this:

The factory springs were meant to work as a system and together just like the Steeda Sports. Despite the factory hardware not being exactly brilliant, they do complement each other just like the Steeda springs do. The spring rates are all out of wack. Plus your rake has increased as well, throwing off the dynamics of the car. Because of this, your car is now very front domant in geometric balance. Choose one: factory springs all around or the Steeda springs all around.
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