Rear end shake

GToddyT5 · Jan 2, 2007

I've noticed all my the Mustangs I've ever had have done this (98 Cobra, 95 GT, 96 GT, 87 GT, 85 GT). A lot of times it happens when I'm taking a jughandle. I'll hit a seam in the pavement spanning the road and the rear will hit it and do a side to side shake or wobble. What about the suspension causes this? It's really annoying and not good for control of the car.

twogts4us · Jan 2, 2007

ride height, springs, shocks, sway bars, control arm bushings...

GToddyT5 · Jan 2, 2007

Anyone have a more specific explanation of what is happening here?

twogts4us · Jan 2, 2007

do you have aftermarket LCAs? If so, ck the condition of the bushings...I split the ****it out of mine (Steedas) and the rear end felt like it was going to slide out from underneath me. I really don't drive it THAT hard, so I was surprised. I've never launched it hard...with much bite...street radials spin too much anyway.
Otherwise, it's just part of the nature of a solid rear axle, ride height too tall and wrong shock/spring settings. I know this doesn't fully address your question, but the first thing I'd do is ensure nothing is broken. Next, I'd visit www.2kgt.com and get some tips from Chad, who races in the American Iron series.

Smokeurhonda · Jan 2, 2007

Bump steer bro. Every mustang does it because of the modified mcpherson strut set up and the design of the front control arms. Steeda and a few other suspension companies offer a "bump steer kit". It will eliminate the effects you are describeing.

geoffsgt · Jan 2, 2007

Solid rear axle

Smokeurhonda · Jan 2, 2007

Bumpsteer

blubullett · Jan 2, 2007

get a panhard bar. It will keep your rear end from shifting from side to side.

Rear end shake

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