Any GXP owners have these:
Eibach Pro Kit Springs PONTIAC GRAND PRIX BASE, GTP, GXP V6, V8 - 3815.140
Had a pair of ssc's on my ss/sc cobalt and liked em but hear there rough on the GP's. Input?
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06-21-2009
Any GXP owners have these:
Eibach Pro Kit Springs PONTIAC GRAND PRIX BASE, GTP, GXP V6, V8 - 3815.140
Had a pair of ssc's on my ss/sc cobalt and liked em but hear there rough on the GP's. Input?
06-21-2009
From what i have seen 99% of people have used the SSC springs on the GXP/SS cars. Drop looks nice, And it seemed like everyone liked them. Said the Ride was more or less right on with stock ride.
06-21-2009
eibachs suck, they say 1" but they are really 2" drop
06-22-2009
yeha and the ssc springs were a bit cheaper, even tho it doesnt say on the website that they fit our cars, guess i should just do a phone in order instead....and 2" drop is way too much lol
07-20-2009
I thought Eibach no longer makes an application for the '07 gxp? At least when I called a few months ago that's what I was told. But if they do that's good news. They were perfect on my Cobalt SS S/C. Also do we need to do anything else if we lower? Like dog bones or control arms???
07-21-2009
no just an alignment
07-21-2009
You may need chamber bolts for the alignment. Shorter dog bones are a good idea. There are several other things you can do but none of them are "required". What is worth I love my eibachs combined with the AGX struts. But they are on a GTP.
07-21-2009
most peole i know have went with the SSC springs, and only preformed an aligment afterwords.
07-22-2009
Yup, so Eibach website doesn't even have springs for our car. That must be a old link bladerunner. BTW you in AZ...I got a silver gxp on 20's in the west valley. Can't wait to get the springs.
07-22-2009
yeah man i live in north phx near thunderbird and cave creek. Yeah man once my engine mods are done im movin to wheels and springs!
08-08-2010
ssc springs are the way to go everyone i talk to like the ride they say its better than the eibach springs and stay with the bilstien struts
09-26-2010
any other springs that will only lower it a 1" ssc site says it will lower 1.7 so most likely 2" drop which is wayyy to low to drive around in a Michigan winter lol
09-26-2010
SSC are not a 1.7" drop. not even close.
http://www.grandprixforums.net/want-...ere-28165.html
09-27-2010
Originally Posted by Bio248
http://www.superiorsportchassis.com/..._app_guide.pdf
middle of 7th page Grand Prix 04-07 says 1.7" front and 1.7" rear
09-27-2010
im not saying it doesnt say that on the manufacturing specs. im saying those specs are wrong, just like every other spring manufacturer.
09-30-2010
how much of a drop do you think?
09-30-2010
Lowering a GXP has been discussed at length in this thread: ClubGP Message Forum troubleshooting
I would love to see someone compair the Bilstein shocks vs standard with lowing springs.
The rear of the car needs to lowered less than the front or the rear looks like it's sagging.
Because that club's website is terrible at keeping links alive after it no longer works search for "Feedback: Canuck Motorsports/SSC Lowering Springs Adjustments"
Good luck with your lowering!
Last edited by Aceshigh; 09-30-2010 at 10:31 PM.
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