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Stock spring length/rate?

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Old Mar 13, 2012 | 11:57 PM
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Default Stock spring length/rate?

Anyone know the stock front spring lenght and rate?
Free load length(or whatever it is called when the spring has no load on it).
99 Camaro SS Convertible, if it makes a difference.


I did search for a good while on this site and various search engines. Search on this site takes days to sort through what you are looking for and tons of stuff that just hold a key word!
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Old Mar 14, 2012 | 10:14 AM
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I'd like to know as well.. And any suggestions on a budget set of springs at that height or close to it.
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Old Mar 14, 2012 | 10:37 PM
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Originally Posted by ucanthangwme
Anyone know the stock front spring lenght and rate?
Free load length(or whatever it is called when the spring has no load on it).
99 Camaro SS Convertible, if it makes a difference.


I did search for a good while on this site and various search engines. Search on this site takes days to sort through what you are looking for and tons of stuff that just hold a key word!
According to this:
http://www.angelfire.com/my/fastcar/suspension.html
Stock LS1 V8 springs are 292 lbs/in, don't remember the spring height though, why do you ask?
If you guys are looking for a stock height spring the only one made specifically for our cars are the 1LE GM springs that came on 1LE packaged cars, so you would have to find used ones (and honestly I wouldn't trust buying something like that used, no real way of telling if they are real or not).
Now if you are looking for a handling/ride upgrade while keeping stock height forget springs, look into good shocks (easily the biggest difference you can make to the suspension) and good matching set of swaybars (32mm front/19mm rear, or 35mm front /22mm rear).
Check out stranoparts.com
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Old Mar 14, 2012 | 10:47 PM
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Thanks. I'm looking to get my car back to stock height. I bought it lowered already. I hate it! Scrapes all the time. I have to do the speed limits or less, otherwise I'll rip the bottom off my car!
I will be changing out the shocks as well, but wanted to make sure I get some springs to match.
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Old Mar 16, 2012 | 12:32 AM
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just go to Summit racing and buy some New Springs.
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Old Mar 16, 2012 | 12:10 PM
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I have a 2000 SS. Here is what I found.

MOOG stock height springs:

Front: #60116, spring rate 290, free height 15.21.
Rear: #CC635, spring rate 104, free height 15.25.

I'm looking myself because my car has about 100,000 miles on it and all 4 corners set at a different height. I want to level it back out.
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Old Feb 19, 2015 | 05:07 PM
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Ufortunately, I don't have any good data from which to ask this question. My car is '99 w/ 156k miles. Under heavy braking, the nose dives quite a bit. Is that typical of the OEM springs? My car mostly serves as a HPDE/track day type car, and I'd like to correct the diving. I don't know if a substantial part of 'the dive' is due to the OEM springs being worn out, or being soft to begin with. Without know that, I don't have a clue as to what spring rate I should be looking at in a replacement spring.
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Old Feb 19, 2015 | 05:34 PM
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Originally Posted by cscott1
Ufortunately, I don't have any good data from which to ask this question. My car is '99 w/ 156k miles. Under heavy braking, the nose dives quite a bit. Is that typical of the OEM springs? My car mostly serves as a HPDE/track day type car, and I'd like to correct the diving. I don't know if a substantial part of 'the dive' is due to the OEM springs being worn out, or being soft to begin with. Without know that, I don't have a clue as to what spring rate I should be looking at in a replacement spring.
dive could be just as much from your shocks as from springs, if EITHER shocks or springs are still stock at that mileage they are in need of replacing.
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Old Feb 19, 2015 | 05:40 PM
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Originally Posted by cscott1
Ufortunately, I don't have any good data from which to ask this question. My car is '99 w/ 156k miles. Under heavy braking, the nose dives quite a bit. Is that typical of the OEM springs? My car mostly serves as a HPDE/track day type car, and I'd like to correct the diving. I don't know if a substantial part of 'the dive' is due to the OEM springs being worn out, or being soft to begin with. Without know that, I don't have a clue as to what spring rate I should be looking at in a replacement spring.
Good Shocks/Springs/swaybars will eliminate the dive. Stay away from drag shocks(QA1, Afco, Strange, Viking) and drag parts as those are only going to hurt your cause.
Something like this is what you are looking for:
http://www.stranoparts.com/partdetai...D=90&ModelID=7
Whatever you do don't cheap out on shocks, those will make the biggest difference out of anything suspension-wise.
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Old Feb 20, 2015 | 12:04 AM
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Originally Posted by JD_AMG
Good Shocks/Springs/swaybars will eliminate the dive. Stay away from drag shocks(QA1, Afco, Strange, Viking) and drag parts as those are only going to hurt your cause.
Something like this is what you are looking for:
http://www.stranoparts.com/partdetai...D=90&ModelID=7
Whatever you do don't cheap out on shocks, those will make the biggest difference out of anything suspension-wise.
Thank you.
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Old Feb 26, 2015 | 01:35 PM
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Originally Posted by JD_AMG
Good Shocks/Springs/swaybars will eliminate the dive. Stay away from drag shocks(QA1, Afco, Strange, Viking) and drag parts as those are only going to hurt your cause.
Something like this is what you are looking for:
http://www.stranoparts.com/partdetai...D=90&ModelID=7
Whatever you do don't cheap out on shocks, those will make the biggest difference out of anything suspension-wise.
^^^ +1. This is a top notch handling setup proven time and time again.

I went with the exact same setup as the link above, however the budget was tight at the time so I went with Bilstein shocks. The ride on Bilsteins is much firmer than the crappy stock shocks, however it doesn't feel as "tight" as a Koni setup.

With all the time I spend on track now, I would definitely do the Koni SA's if I had it all to do over again.

In my humble opinion, these cars handle like crap in stock trim. If you knock out the three mods noted above I think you'll be quite pleased with the car's handling ability on track. I've had plenty of guys with "handling-oriented" cars ride with me on track and almost all of them comment on how well my car handles.
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Old Feb 26, 2015 | 01:43 PM
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Any reason not to use the HP7 package. Seems like it might be a bit of improvement over the HP6.

Thanks
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