1st Generation Specific (1979-1985) 1979-1985 Discussion including performance modifications and technical support sections

ground control coilovers, what spring rates?

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Old Jul 18, 2004 | 10:22 PM
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ground control coilovers, what spring rates?

im looking at getting GC coilovers and the rear 2.5" race springs with dead coils. but i dont know what spring rates to go with.

i want something thats going to be hardcore in the autox. ride comfort isnt all that important as long as it handles its *** off, seriously.

i already have eibach prokit springs, tokico shocks, and suspension tech. sway bars, but i want something better, plus i want to be about to control caster/camber.

any suggestions? what have yall found that works best? any other suggestions besides coilovers? like i said i want it to handle its *** off, even if its a really rough ride.
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Old Jul 19, 2004 | 05:04 AM
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How much are the front coilovers?
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Old Jul 19, 2004 | 07:10 AM
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I don't know if you have seen this or not but it is worth a look.

www.gforceengineering.net.

Jim Susko the guy that runs this company will help you. I highly recommend his products.
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Old Jul 19, 2004 | 07:53 AM
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I have a GC setup on my '79, I'm running their recommendations which is: 350 inch pound front, 175 inch pound rear, 3.5 degrees front camber with their camber plates, and Tokico Illuminas. I run the stock sway bars front and rear, and disconnect the rear bar to control oversteer if needed. Note that if you are running Street Prepared, you can't modify the upper strut towers to get 3.5 degrees negative, the most you will get is about 2.75. You have to go with IT prep rules to be able to cut the upper strut mount.
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Old Jul 19, 2004 | 12:15 PM
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Originally Posted by RX744CSP
I have a GC setup on my '79, I'm running their recommendations which is: 350 inch pound front, 175 inch pound rear, 3.5 degrees front camber with their camber plates, and Tokico Illuminas. I run the stock sway bars front and rear, and disconnect the rear bar to control oversteer if needed. Note that if you are running Street Prepared, you can't modify the upper strut towers to get 3.5 degrees negative, the most you will get is about 2.75. You have to go with IT prep rules to be able to cut the upper strut mount.

Umm... ditto...

Thta basiclly teh same setup I run... 350#f, but I run 150# springs at the rear. Stock bars at teh monent, 1/18" front bar waiting to go on...
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Old Jul 19, 2004 | 06:30 PM
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so... how do they handle? i want something thats going to be able to keep its on in the turns compared to the newer cars out. like i said, ride quality wont be as important as handling, i want something really stable and really fast. im running in csp by the way
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Old Jul 19, 2004 | 06:52 PM
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A lot is going to depend on what you have for tires.

Also the rear suspension is a real weak link in the handling department for these cars. This is why I suggested G-Force Engineering to you.

FWIW with the full g-force setup I run 400# up front and 275-300# in the rear. I do not have any snap oversteer problems. In fact there are times when the car pushes out of turns. A lot depends on how the tires are working on a particular surface at a particular temp.

The car is WAY too stiff to drive every day. Especially on typical Michigan roads. Roads may be better in VA but I wouldn't plan on having a fun commute with rates this high.
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Old Jul 19, 2004 | 09:43 PM
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Originally Posted by onepointone
so... how do they handle? i want something thats going to be able to keep its on in the turns compared to the newer cars out. like i said, ride quality wont be as important as handling, i want something really stable and really fast. im running in csp by the way

It's plenty fast.. you won't be disappointed. Mine setup this way is definately compareable to my miata.. As long as you have decent tires, you won't be dissappointed by the setup.
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