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Discussion Starter · #1 ·
I searched and found that Kirban does, does anybody else? Not looking to lower, just stock type replacement to regain stock ride height and recoil. Mine are sagging. Thanks
 

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Go to your local part supply store and ask for cargo coil rear springs for a 87 Buick GN. Most places carry Moog and that's pretty much what Kirban sells! :cheers:
 

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springs

just put in a lift kit and 26" wheels like all the idiots do... :rolleyes:
i'm looking for mine to join them......NOT :poon:
does'nt eibach or hotchkis sell factory replacement springs?
 

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The cargo coils will raise the rear of the car big time; if you want that hotrod look. I've made that mistake, when I wasn't looking for them. We carry both the cargo coil as well as the OEM rear coils.

Hope this helps.
 

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Discussion Starter · #5 ·
Which would be better the cargo or the variable rate?
 

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Personally I don't think the cargo coils give you that "hotrod" look. IMO I like how the GN's sit with them. These cars always sat low in the back as is. Shipping springs would be crazy as any auto parts store near you sells them just as cheap as anywhere you could order them on line. I would go to your local auto supply store and see what they have. In the book when they look them up it will tell you how much higher the cargo coils are compaired to a stock replacement. My car has new shocks (IAS performers) Stock replacement springs in the front with stock tire size and cargo coils in the back with air bags. I only run 8psi in the bags. I also run huge Nitto's 275/60-15's on the back so it makes it look higher then anything. Here is a pretty much straight on shot. Keep in mind the car will sit higher till the springs settle in. I'm going with a little bigger front tire next time around to make it sit up a bit..

 

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Even tho I should like the '50s look with a lowered rear end...I like the hot rod look as pictured above
 

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Turbocharged BrunoStachel
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Go with a progressive rate spring.Preferabally one made for a G-body. It will ride like a Buick and handle like a BMW. I have put cargo coils on every car I have that has a trailer hitch. They too are progressive rate. The ride height stayed the same more or less. But I wouldn't put them on a TR. The hot rod look is great as long as there is not a whole lot of air between the tires and the sheet metal.
 

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Before I bought GN #2 in 1998 the previous owner had installed cargo coils (I have all the receipts) and I still don't like the way the car sits. I am lazy and broke otherwise I would have changed them by now to regular coils. :D
 

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Discussion Starter · #10 ·
TWIN86GNS said:
Before I bought GN #2 in 1998 the previous owner had installed cargo coils (I have all the receipts) and I still don't like the way the car sits. I am lazy and broke otherwise I would have changed them by now to regular coils. :D
What didn't you like? Did it sit too high, too low?
 

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As an aside, I once, long ago, bought the gsca springs...damn car sat an inch and half higher in the front, than in the back...that is when I realized that I did not like the '50's look. :D
 

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Turbocharged BrunoStachel
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Steve Wood said:
As an aside, I once, long ago, bought the gsca springs...damn car sat an inch and half higher in the front, than in the back...that is when I realized that I did not like the '50's look. :D
When I see something sitting high in the front I picture a stupid kid in a compact truck with the air bag suspension. You know those guys. They cut the floor out of the truck box and than cruise 30MPH on the interstate with the nose pointing north and the bumper sparking when it goes over a tar strip.
 

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I put Moog variable rate springs in two TR's and they worked great. No bump in ride height and stability increased.
 

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I'm using a set of kirbans variable rate rear springs, it might have raised the car up maybe a 1/2" at the most. I'm using KYB shocks all around, for now.
 

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DonnieShort said:
What didn't you like? Did it sit too high, too low?
The rear cargo coils in my car make the car sit a bit too high for my liking. Eventually I will install variable rate rear springs, and I am sure that I will be happier with them.
 

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Discussion Starter · #16 ·
TWIN86GNS said:
The rear cargo coils in my car make the car sit a bit too high for my liking. Eventually I will install variable rate rear springs, and I am sure that I will be happier with them.
How do they feel in the back? Too bouncy, too firm? Too soft?
 

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have them on the T....I like them
 

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DonnieShort said:
How do they feel in the back? Too bouncy, too firm? Too soft?
On the road, the car feels fine, but in a parking lot and going over a speed bump the rear feels like it is going to "hop" over the speed bump, it just isn't very smooth.
 

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Have the variable rate w/

kyb's in the rear w/28" tires. It improved the handling and I like the rake, but the front springs need to be replaced. The stock location IC is only 4" from the ground. :dunno:
 

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Discussion Starter · #20 ·
I'm going to have to do the rear's and the front's. I'm gonna do the rear's first then the front's a little later. I've got to do shocks on the front as well, the 90/10's have been on there for about 5 years and I can tell they are getting weak, front end is starting to get bouncy on the highway. But boy does the front end rise up easy when you drop the hammer :D
 
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