92 coupe rear end bouncin

[notch92408]

have 92 mustang coupe qa1 single adj rear shocks anti roll bar 28-10.5 slick when come off brake seems to bounce in rear causing it to get loose any ideals?

[mikesfastss]

What control arms? What kind of bushings?

[notch92408]

Upr and solid bushing syperical upper on rear end

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[1BADAIR]

any vids?

[JoeP.]

The rear shocks looked too stiff at the rental Friday, where are they set at and what spring rate? The car would definitely benefit from double adjustable rear shocks.

[notch92408]

Yes can't seem to post it on here

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[notch92408]

They were set at 2 from soft and spring is 130

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[bainbridge]

You need to slow down/stiffen the shock compression. When you start putting down HP in a mustang, a double adjustable is a must have. IDK the weight of the car, but a 130# spring is a little stiff for a drag only car.

[notch92408]

So change springs? Weight is around 2500

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[bainbridge]

110#
But a spring change won't stop your car from porpoising. Tighten your rear shock and try it. But if you get it to stiff on the rebound it will just knock the tire off at the hit. Double adjustable are expensive, but money well spent