rear swinging

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L67ss

Royal Smart Person
Dec 8, 2016
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I personally wouldn't trust springs that had those spacers in them. They tend to weaken springs
 

pontiacgp

blank
Mar 31, 2006
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Kitchener, Ontario
if the ride height in your car is good without those spacers I wouldn't change the rear springs.
 

Texas82GP

Just-a-worm
Apr 3, 2015
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Spring, Texas

TURNA

Rocket Powered Basset Hound
Jul 24, 2009
10,941
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Socialist NY
Do your lower control arms have the holes for a sway bar? If you do use a sway bar you will need the spacers that go in between the control arms that keep them from crushing
 
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UNGN

Comic Book Super Hero
Sep 6, 2016
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Southlake, TX
If the spacer was only in the left side, it was preloading the left side. Under acceleration, even more weight would come of the right side and the axle will try to turn the back of the car. Get rid of these spacers, you shouldn't need them.
 

mickeypowa

Greasemonkey
Nov 19, 2016
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Tahiti - French Polynesia
Hi guys !
Thanks for your help !

if the ride height in your car is good without those spacers I wouldn't change the rear springs.

I will try without the spacers to see the height given by the springs.
For the moment, I have measured the space between the top of the tire and the body, with spacers on springs on both sides, and I have 0.5 inch more on the right side...

Mickey,

Here is a less expensive alternative on the rear sway bar. This version bolts to the rear lower control arms.
https://www.summitracing.com/parts/upi-3034-b/overview/year/1982/make/pontiac/model/grand-prix

A new set of Monte SS rear springs (Moog 6321 - $49.79 on RockAuto) would be a nice upgrade for your car.

I don't need any bracket or connecting device between the bar and the lower control arm with this part ? I can bolt it directly ?

Do your lower control arms have the holes for a sway bar? If you do use a sway bar you will need the spacers that go in between the control arms that keep them from crushing

Yes I have 2 holes on each lower control arm.


But now with the spacers on both sides I have almost no swaying left. When I drive on a pothole the car stays straight. Only if I drive maybe 5-10 mph I have still a little bit of swaying left-right.

Thanks guys !
 
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