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05-08-2013
I want to stiffen up my ride and I hear from zzp and wbodystore to start with the rear. I found a few part numbers for the rear bar 10351314 and 12498642. First number I got from my dealership and is listed as the sport suspension and second number from zzp. Does anyone know if there is any difference?
05-08-2013
http://www.grandprixforums.net/swaybar-sizes-40056.html This will help with swaybar selections. As far as them being the same, best bet is to look them both up for specs.
05-08-2013
I saw that thread. Is it best to start with the rear first tho?
05-08-2013
I don't know about starting at the rear bar, but what I do know is that the front end has a lot more weight riding around on it and anytime you throw it into a corner, what end do you think is gonna plow the hardest? Just my .02
I installed a solid Dorman front bar on mine and it made the most difference. I did eventually put the GMPP rear bar and trailing arms on to help the back end a bit.
05-08-2013
Depends on what you drive. On my comp g the rear one helped some but the front made a huge difference.
05-08-2013
Where could I get a front Dorman from?
05-08-2013
Rock Auto
05-08-2013
Here is why you want a rear sway bar first, if you look at the picture the car has a very stiff rear suspension setup and a (relatively) softer front one, which will result in oversteer.
That is the exact opposite of what happens to our cars, where a soft rear suspension due to low spring weight, small sway bar and lack of body stiffness allows the front to break loose first resulting in understeer.
05-09-2013
^ perfect.
that's why i've been saying giant rear sway bar for so long.
05-09-2013
Suspension stiffening requires more than just a sway bar although it will go a long way to helping it feel better.
Overall, the sways just tough the surface, the rear trailing arms and end links matter too, then struts and sprins as well. To the front is the same along with the control arms and eventually topping it all off with strut tower braces. Hmmmm, some have even went to the yards by putting in sub-frame connectors to stiffen the supporting BODY structure as well. The latter is cost prohibitive and would require custom work.
I've installed all new struts, springs, upgraded sways from and rear, poly bushings all around, strut tower braces, new trailing arms and control arms. I've noticed a difference, but with a 2 ton fwd vehicle that's nose heavy, you will only get so much out of it.
05-14-2013
Can anyone confirm these part numbers? 10346886 comp g front sway bar and 12498642 gmpp rear sway bar?
05-14-2013
Um... you don't want a compg front sway unless you have 04/05 LCAs and struts.
Last edited by SlowNA06; 05-14-2013 at 09:11 PM.
05-14-2013
I have a speed built front sway on my 04 comp g
05-15-2013
Why do I need 04/05 LCAs and struts?
05-15-2013
04/05 take a different kind of front sway
05-15-2013
The compg is 04/05. Therefore it's sway will need 04/05 parts to connect to.
05-15-2013
Whichever way you do go, use urethane bushings and endlinks as well as upgrading the rear endlinks to Moog as well. The urethane makes a huge difference.
05-15-2013
I second Bill's post, the end links and especially poly center bushings make a huge difference in themselves, that plus bigger sways is a world of difference.
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