C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

Suspension question...

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Old Sep 19, 2008 | 04:54 PM
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Default Suspension question...

I have added quite a bit of weight to the nose lowering it as a side effect. I was going to just drop the rear but upon closer inspection I think that it is too low up front now so before I get the alignment done I fear that it will have to come up an inch or so. I find myself gritting my teeth when I see a bump in the road right now. The question is...
Are adjustable coil-over shocks the only way to do this or are there stiffer springs available for our cars?
I haven't broken out the FSM yet but I have seen a lowering thread that had the spring out. It seems pretty simple to swap it out but I get the feeling that the coil-overs might be the only way to add height.

What do you think...too low? I am worried more about suspension travel than asthetics.





Thanks in advance
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Old Sep 19, 2008 | 05:22 PM
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The Z07 cars got stiffer springs.

http://www.corvetteactioncenter.com/...usp_chart.html

A big block weighs about 2lbs (two) heaver than an LT5 depending on the heads and the intake. So you can look at those springs.

Coilovers would be the best way to go though.
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Old Sep 19, 2008 | 05:30 PM
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It's an iron head motor but at least I used an aluminum intake and wp

I will check out the Z07 spring, depending on the $$$ it may be the best option for me

Thanks...good link

P.S. - It seems that the 88-90 Z51 was trhe same spring as well. That may open up my search a bit

Last edited by Iroc57; Sep 19, 2008 at 05:32 PM.
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Old Sep 19, 2008 | 08:06 PM
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Same rate, but I'm not sure if you can put the early springs in your car.
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Old Sep 20, 2008 | 09:47 AM
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Originally Posted by BrianCunningham
Same rate, but I'm not sure if you can put the early springs in your car.
Where is the fitment cutoff?

What years interchange
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Old Sep 20, 2008 | 01:19 PM
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89-96 should fit
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Old Sep 20, 2008 | 03:43 PM
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That doesnt look too low. My '90 Z51 was lowered to that height and I have no issues with bumps on the street. I would say lower the rear to match!!
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Old Sep 20, 2008 | 06:41 PM
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Originally Posted by Kubs
That doesnt look too low. My '90 Z51 was lowered to that height and I have no issues with bumps on the street. I would say lower the rear to match!!

The problem is 680 lbs o' motor
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