Suspension Springs, Shocks, Brakes

Rear sway bar comparison

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Old 12-24-2011, 05:41 PM
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Wow qwik you've got like every Powell part
Old 12-24-2011, 07:51 PM
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Originally Posted by whyyoumadson?
just to clarify... ive you install the harness bar wrong you will pull the b pillar out of alignment and the door wont latch right... if that tells you the terms of rigidty it give the car.

i got it all... powells a good friend of mine. the subframe rails fit like a glove and are awesome. jacking point was a big thing for me.
x2...stg 2 rotato-potato trans mounts, front & rear tow hooks, hardcore rear sway, harness bar, under car rails...still he has more i want


Originally Posted by BLue NoTe
Ive heard that about the doors. And it gets rid of sunroof squeak which always sounds awful
yup, i actually heard my car creak last night and i was like ...but i realized it was just the ice covering the roof haha


Originally Posted by BLue NoTe
Wow qwik you've got like every Powell part
Hells yeah, runs what's good!

Last edited by RooTBeeR; 12-24-2011 at 08:06 PM.
Old 12-24-2011, 07:59 PM
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<stiff car is stiff...nuff said...
Old 12-24-2011, 08:43 PM
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I saw koni a couple times in this thread... These mods play well with stocks shocks and struts
Old 12-24-2011, 09:55 PM
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they play well but there better with konis i only have the rears but there awesome and adjustable
Old 12-24-2011, 10:02 PM
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yup looks like konis at the rear are a step up, its only a couple hundred bucks more....
Old 12-24-2011, 10:08 PM
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Originally Posted by 09sscalicobalt
cant wait for my undercar rails john wink wink poke poke lol

i have hardcore bar and harness bar too and both are great and stiffen up the car well along with pedders and rear konis its an even more awesome track car too
ucr just in time for the new year season lol
Old 12-24-2011, 10:18 PM
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haha woo hoo thanks john have u gotten on the rear konis yet?
Old 12-24-2011, 11:12 PM
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Get front konis to compliment the rears! Night and day difference
Old 12-24-2011, 11:13 PM
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We want PRS new years sale!
Old 12-24-2011, 11:42 PM
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meh ill get them later not ready to hack up my front struts yet lol
Old 12-25-2011, 01:04 AM
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Oh, your subframe bars run down the length of the car, Here is what I had on my cavalier.



Had everything you can think of, front rear upper and lower strut/tie bars, tokico Dspec struts, eibach prokit springs, everything but sway bars and racing rims/tires.
Old 12-25-2011, 01:54 AM
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in the cobalt i cant see that doing much.... epsecially something like that in the front. with a complete hydroformed cradle i doubt its going to do anything. its rigid as is.
Old 12-25-2011, 02:08 AM
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My car is my DD. I'd like to get some UCRs and a rear sway @ least. I'm completely stock @ the moment, but looking for the better upgrades to do 1st.
Old 12-25-2011, 09:56 AM
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Originally Posted by whyyoumadson?
in the cobalt i cant see that doing much.... epsecially something like that in the front. with a complete hydroformed cradle i doubt its going to do anything. its rigid as is.
It keeps the frame rails from twisting, granted much may just be butt dyno, but at least you know, that if there is any flex back there, you are removing most of it with that bar.

Plus, it makes a GREAT platform for triangulating the rear strut towers.
Old 12-25-2011, 10:14 AM
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which i never believe those did a whole lot anyways lol... yeah might just be the but dyno... attaching it to the floor is what makes me not believe it but on the other hand i think it would be more effective being attached to the frame underneath. looks like a nice piece though ill give it that.
Old 12-25-2011, 10:16 AM
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Originally Posted by whyyoumadson?
which i never believe those did a whole lot anyways lol... yeah might just be the but dyno... attaching it to the floor is what makes me not believe it but on the other hand i think it would be more effective being attached to the frame underneath. looks like a nice piece though ill give it that.
I agree. That bar isn't doing anything back there.
Old 12-25-2011, 04:50 PM
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finally picked mine up in the summer and got stolin and now its back :-)
Old 12-25-2011, 08:52 PM
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Originally Posted by whyyoumadson?
which i never believe those did a whole lot anyways lol... yeah might just be the but dyno... attaching it to the floor is what makes me not believe it but on the other hand i think it would be more effective being attached to the frame underneath. looks like a nice piece though ill give it that.
Well, it bolted to the top side of the frame rails, cavaliers are sloppy *****, so it helped them ALOT, the whole chassis in those things flex and twist.

After I installed it, I felt more like the rear end went around a turn in a even and flat pattern. Like you knew the car wasnt going to come out from underneath you.
Old 12-25-2011, 09:09 PM
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this is way off topic but pretty much after the twisting beam mounting points which are in front of the rear wheels, there is not a whole lot to be gained with bracing,structuraly.

If you tied the cavvy rear chapman struts across, or the cobalt shock area with a tube welded in through the structure you might gain something. Like this:



to this:



and pretty much any tie bar with two bolts on a blade attachment is weak as heck. Good for keeping the jack tools in place on a cavvy maybe
Old 12-25-2011, 11:02 PM
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Originally Posted by RooTBeeR
Undercar rails are basically sub frame connectors...the harness bar also helps alot with flex
hell then i might need something just to stop my stupid car from flexing. me passenger door doesnt seal all the way anymore and i can hear the wind through it pretty well. almost 7 years old and 176kmiles with some offroading have beaten the **** outta my balt. if i go down the road at 70 or more the wind will buffet enough that the passenger door shakes to **** and damn near sounds like its going to fall off. i have to roll the window down or roll mine up.

Last edited by Kahless; 12-25-2011 at 11:10 PM.
Old 01-13-2012, 03:31 PM
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So, is the hardcore bar fine for the street then? No problems?

Last edited by nobody2u; 01-13-2012 at 03:38 PM.
Old 01-13-2012, 03:47 PM
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i havent had any.


but i havent dont any now/ice driving with it either.

rain and dry no problems
Old 01-14-2012, 05:28 PM
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Thanks! I doubt my car will ever see a track but I want to give the suspension a little tweaking. The obvious choice then seems to be the streetbar, but everybody I've heard from so far has said that the hardcore bar is fine for the roads. Anyone else have any input?
Old 01-14-2012, 05:49 PM
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I would not hesitate to run our 1.25 hardcore for general driving and spirited occasional use. Especially with a TC which has a marginally thicker (.5 mm) front bar... and a lot more torque than any other Cobalt

Last edited by Powell Race Parts; 01-14-2012 at 06:46 PM.


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