Suspension and Chassis Questions about your suspension? Need chassis advice?

Traction with a lowered car vs stock (both with suspension mods)?

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Old Aug 10, 2007 | 09:57 AM
  #1  
IROCThe5.7L's Avatar
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Car: 1988 IROC-Z
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Traction with a lowered car vs stock (both with suspension mods)?

Got a quick question if you don't mind. Let's say you have two IROCs. Both 100% identical. Accept one is stock ride height with aftermarket lower control arms and relocation brackets. And the other one has Eibach Pro-Kit Springs with lower control arms and relocation brackets. Which do you think would get better traction?
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Old Aug 10, 2007 | 10:07 AM
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Re: Traction with a lowered car vs stock (both with suspension mods)?

i have no idea.... however.. i was just checking over your website and that car is AMAZING... the paint is so clean and everything is straight, the a/c is polished it looks from every angle perfect... sorry for wasting your time but i just wanted to say how nice the car looks...

Douglas
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Old Aug 10, 2007 | 10:48 AM
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Car: '88 IROC-Z / '91 Z28 / '91 GTA
Engine: LT4 Hot Cam 305 / L98 355 / MR 383
Transmission: 5-spd / 700R4 / 700R4
Axle/Gears: 3:45 / 3:23 / 3:23
Re: Traction with a lowered car vs stock (both with suspension mods)?

I am no expert, but I would think the lowered car (with proper adjustment of suspension components) would hook better because of the lower center of gravity.

I know my car hooks better now that it is lowered.
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Old Aug 10, 2007 | 11:17 AM
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IROCThe5.7L's Avatar
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Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Re: Traction with a lowered car vs stock (both with suspension mods)?

Originally Posted by camaro_boy123
i have no idea.... however.. i was just checking over your website and that car is AMAZING... the paint is so clean and everything is straight, the a/c is polished it looks from every angle perfect... sorry for wasting your time but i just wanted to say how nice the car looks...

Douglas

Thanks man, much appreciated.


Brisk, what springs do you have on your car?
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Old Aug 10, 2007 | 11:37 AM
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From: Beautiful BC
Car: '88 IROC-Z / '91 Z28 / '91 GTA
Engine: LT4 Hot Cam 305 / L98 355 / MR 383
Transmission: 5-spd / 700R4 / 700R4
Axle/Gears: 3:45 / 3:23 / 3:23
Re: Traction with a lowered car vs stock (both with suspension mods)?

I currently have sportline springs in my car, but not for long. I have grown tired of the incorrect steering/suspension geometry on the front so I have bell tech drop spindles and matching track springs ready to install on my car, along with new C5 corvette brakes.
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Old Aug 10, 2007 | 01:17 PM
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Car: 1984 Z28
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Re: Traction with a lowered car vs stock (both with suspension mods)?

typically lowered offers less weight transfer
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Old Aug 10, 2007 | 01:56 PM
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Re: Traction with a lowered car vs stock (both with suspension mods)?

better traction for a drag style launch, or better traction for handling/braking?

really, for a drag launch its irrlevent if the car is setup properly...
however most people dont have it setup properly, so the higher CG allows more weight transfer and therefore better traction.

for handling, the lowered car has less weight transfer, so the inside tires on the turn, or the rear wheels during braking, have more traction then otherwise....
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Old Aug 10, 2007 | 03:03 PM
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Re: Traction with a lowered car vs stock (both with suspension mods)?

go to a full slick, the rinkle wall will help alot, thats what I am going to do, my car is lower and have it set up to drive an the street, so when I go to the track the fulll slicks will help with out sufering on the handling
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Old Aug 10, 2007 | 03:35 PM
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Car: 1988 IROC-Z
Engine: 427 SBC
Transmission: ProBuilt 700R4
Axle/Gears: Moser 12 Bolt / 3.73 TrueTrac
Re: Traction with a lowered car vs stock (both with suspension mods)?

Thanks for the replies guys. Right now I have stock suspension and I can do some pretty damn hard launches on the street (have 2.77's though). I just got in on the UMI GP and ordered LCA's and relocation brackets. But in the future I wanted to throw pro kit springs on there and was just wondering.


Thanks guys

Last edited by IROCThe5.7L; Aug 10, 2007 at 09:36 PM.
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Old Aug 13, 2007 | 11:25 AM
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Re: Traction with a lowered car vs stock (both with suspension mods)?

straight line wise, if the suspension is tuned properly the lowered car should out hook the factory, as these cars need the lca relocates factory for straight line traction.

The 2.77 gear is actually harder to hook on street tires. Street tires do not hook, they're controlled spin. Higher(numerically lower) gears will try to bring wheel speed up faster, thus tend to be harder to control.
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