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post #1 of 227 (permalink) Old 03-24-2010, 11:26 PM Thread Starter
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I'll be putting this together slowly as i have time. I'll do my best to make a breakdown of all the performance options available. Please ask questions here, but i'll request your post be deleted if it's a common question that can be answered in a quick search.

I'm too tired of misinformation and the same thread 100 times asking which springs are best and which shocks/struts to get...

Factory Components

FE5 suspension - 2005-07 years
24-mm front stabilizer bar
FE5 shocks and struts. The springs may be different from some FE3 models.
Larger front end links

FE5 suspension - 2008 and up years
24-mm rear stabilizer bar
NEW FE5(LNF) shocks, struts, and springs.
Updated front knuckle

Both SS/SC and SS/TC springs lower the car by ONLY 10mm. That's less than half an inch.

SS/TC springs are ~30% stiffer than the SC springs.

Either one will be a great upgrade to any FE1/FE3 car. SS/SC stuff can be had cheaply, SS/TC stuff is better.

The alloy FE5 arms are an excellent upgrade to any FE1/FE3 Balt or Ion.
(Keep in mind if installed on an Ion, they will increase camber a fair amount)
Good read on Cobalt Front Suspension by Qwikredline

FE5 part numbers
Sway bar: 15821093
Clamps: 22608428('05 only , 1bolt/1slot) 10389617(2 bolt, ALL other FE5 including LNF)
Insulators: 22700091('05 only) 15822993(06-07 only)
Rear Axle: 15232752(same as FE3)
Links: 20784688(ALL FE5 same, including LNF)
Struts: 15247245/15247246(L/R)
Shocks: 22728821
Frt Springs: 21994335(L/R same)
Rr springs: 10390024(same as FE3)
Lower control arm: 15803766/15803767( L/R, right same as LNF)
Knuckle: 22667248/22667249(same as all except LNF)


LNF/FE5 Part numbers
Sway bar: 15782696
Clamps: 10389617(same as 06-07 FE5)
Insulators: 25847760
Rear Axle: 25864579
Links: 20784688( ALL FE5 same)
Struts: 19181044/19181043(L/R)
Shocks: 25793745
Frt Springs: 25833647(L/R same)
Rr Springs: 25821162
Lower control arm: 25930725/15803767( L/R, right same on ALL FE5)
Knuckle: 25923942/25923941(L/R, unique to LNF)


Aftermarket Shocks/Struts

Koni Yellow Adjustable Shocks/Struts.

Koni Yellow's are a good upgrade, but they are expensive. SS/TC stuff is actually a better system, for much less. GM didn't spend all that money at the Nurburgring for no reason.

KYB
KYB makes aftermarket stock replacements, don't bother.

Springs

Oh boy, here we go...

Eibach - VERY high quality springs.
- Sportlines - Very high quality springs, actually one of the best. Good drop, not too aggressive. However, they employ coil bind which limits your rapid multi-compression performance in the rear.
- Front: 2.0"
- Rear: 2.5"
- Prokit - Excellent spring, afaik they do not use dead coils, so performance will be better than sportlines.
- Front:1.6"
- Rear: 1.8"


K-Sport - coil bind, not quite as high quality, but k-sport has a good reputation.
- Front: 1" SS, 2" Base
- Rear: 1.3" SS, 2.5" Base


Tein - Tein is legendary in the import world, but i have not seen many owners of these springs. Any input is welcome.
- Front: 1.2"
- Rear: 1.3"

Tenzo-R - Meh. They do have a pretty good drop. I don't have any experience with these springs.
- Front: 2"
- Rear: 2.5"


SSC - I have heard they have nearly identical spring rates to stock SS/SC springs. Good handing, great ride. I have also seen a tendency to sag over time.
- Front: 1" SS, 2" Base
- Rear: 1.5" Both


B&G - VERY low. No experience.
- Front: 1.6"
- Rear: 2"


Pedders - THE BEST. These are the springs i run. They dont have a radical drop, but their rates are better than any other spring available. Ride better and handle MUCH better than stock. Perfect compliment to SS/TC struts
- Front: 1.5"
- Rear: 1.6"


H&R Race - Good ride, great drop. Again, very high quality spring, but it uses dead coils. A little bouncy, i imagine most of the coil bind drop springs are.
- Front: 2"
- Rear: 1.6"
H&R Sport - No experience, but I imagine similar to the Race, just slightly softer and not quite as low.
- Front: 1.5"
- Rear: 1.4"

Progress - One of the best looking drops IMO. Comparable to Sportlines as far as ride quality.
- Front: 1.5"
- Rear: 2.0"


Sprint - No experience.
- Front: 1.6"
- Rear: 1.9"


Zenn - Very cheap. You get what you pay for IMO
- Front:
- Rear:


Dropzone - ?
- Front: ?
- Rear: ?

Goldline (Discontinued) - The HRR guys love these, but i have never seen them on a Cobalt.
- Front: ?
- Rear: ?

ARK - Another coil bind spring, similar to the K-Sports in quality and ride.
- Front: 2.0"
- Rear: 2.5"



Coilovers
JBP


B&G


[/COLOR]K-Sport


Stance


KW
- Variant 1


- Variant 2


BC


ARK






Pedders
[IMG]http://*************/gallery/files/1/3/7/2/7/dscf0458.jpg[/IMG]



Last edited by WillBeck; 03-26-2010 at 11:20 AM. Reason: requested
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post #2 of 227 (permalink) Old 03-25-2010, 09:09 AM Thread Starter
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Quote:
Originally Posted by BlueFlash View Post
So if I upgrade to the eibach pro-kit lowering springs, 1.8 & 1.6, I should replace the shocks and struts? Would it be best/cheapest to get the SS/TC shocks and struts and put them on my LS if I had to replace them? I want the springs, but i think my balt had new struts and control arms put on it right before i bought it bc they were making noise....
CED sells all four SSTC shocks and struts in a package deal for less than $300 before shipping.


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post #3 of 227 (permalink) Old 03-25-2010, 04:39 PM Thread Starter
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Quote:
Originally Posted by stickx911 View Post
if possible add the benefits of one over another (some stiffer than others, handling?) and while the pictures are cool. I think it would add to the readability and make it easier to search without the pics (or at least smaller). you could also turn the name of the springs to a link to the pic so they can be viewed as needed...just some constructive criticism.

That aside...awesome. THANKS!
I don't like putting links in because then people ask to have them linked to vendors and prices. This is just an info thread. I will be adding to it as time goes on, it's nowhere near done.

I actually would like XFE to merge my two posts because it wouldn't let me post more than 15 images, and i think you're right about the pictures. I just figured someone would ask, and tried to beat them to the punch.


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post #4 of 227 (permalink) Old 03-26-2010, 11:05 AM Thread Starter
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Quote:
Originally Posted by BlueFlash View Post
What is CED? And how much drop would i get in front and back putting SS/TC shocks and struts on my LS?
please read the post. The info is in there. This is why i made the thread, to answer questions like this.

---------- Post added at 10:05 AM ---------- Previous post was at 10:03 AM ----------

Both SS/SC and SS/TC springs lower the car by ONLY 10mm over base model springs. That's less than half an inch.

Can a mod please insert this ^ into the op where it talks about factory stuff?

Also, any way to disable the image limit for this thread? I can't edit the op because the image limit has been exceeded and i can't save any corrections :lol:


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post #5 of 227 (permalink) Old 03-26-2010, 11:13 AM
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Last edited by XFE; 07-03-2010 at 02:48 AM.
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post #6 of 227 (permalink) Old 03-26-2010, 11:28 AM Thread Starter
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Thanks XFE, i'll let you know if it starts to get cluttered, good questions can stay. I'll just send you a lit of post numbers weekly :lol:


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post #7 of 227 (permalink) Old 03-28-2010, 10:23 PM
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any pics of ksport springs installed on a car?

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post #8 of 227 (permalink) Old 03-29-2010, 08:10 AM
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i've owned the kw coilovers and the ksport coilovers.

ballin outta control in a camo balt
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post #9 of 227 (permalink) Old 03-29-2010, 10:04 AM Thread Starter
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Quote:
Originally Posted by Midwest Ecotecs View Post
any pics of ksport springs installed on a car?
Spring Pictures:

http://www.*************/forums/showthread.php?t=207943

I removed them from the OP because it just felt too cluttered.



---------- Post added at 09:04 AM ---------- Previous post was at 09:03 AM ----------

Quote:
Originally Posted by that07balt View Post
i've owned the kw coilovers and the ksport coilovers.
i'm sorry, but what's your point?


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post #10 of 227 (permalink) Old 05-03-2010, 06:04 PM Thread Starter
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Ok, for the base model guys lowering your cars.

The SS is only 10mm lower, so less than half an inch.

1inch = 2.54cm

10mm = 1cm

A whopping difference of .19 inches.

Keep in mind the SS's run 215/45's on the SC and 225/40's on the TC.

I run 235/40's on an 18x8 wheel with no rubbing issues.


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