Suspension & Brakes Springs | Shocks | Handling | Rotors

high speed stability?

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Old Oct 27, 2006 | 11:30 PM
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Default high speed stability?

I am trying to piece together a suspension setup that will provide very good handling especially at higher speeds (over 130-140). So far my plans are for new koni shocks, 35mm rear sway bar, 21 mm front sway bar, panhard bar, and Nitto 555rII's on all four wheels. Thanks ahead of time for any response. Peace.
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Old Oct 28, 2006 | 01:07 AM
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drag radials on all four corners? sounds retarded.
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Old Oct 28, 2006 | 01:52 AM
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My question is why would you want to set a car up for going 130-140. If you want a good handling car that is one thing but why specifically for going that fast? sounds like a disaster to me.
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Old Oct 28, 2006 | 02:18 AM
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well, how about a torque arm control arms, relcoation brackets some subframe connectors and some lowering springs.that should make the car mroe stable and get better traction period, and the lower down you are the less air that gets up under you
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Old Oct 28, 2006 | 10:10 AM
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Originally Posted by Sgt. Spuds
drag radials on all four corners? sounds retarded.
LOL yeaaaah DR's aint made to handle really, ther made to hook up.. going straight
idk mang, def needs to be lowered so shocks and springs, other than that id suggest every suspension piece you can get ahold of, and get some good street tires like some F1 GSD3's after that get an aggressive alignment.....



and a big *** ricer wing
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Old Oct 28, 2006 | 10:40 AM
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I am trying to piece together a suspension setup that will provide very good handling especially at higher speeds (over 130-140). So far my plans are for new koni shocks, 35mm rear sway bar, 21 mm front sway bar, panhard bar, and Nitto 555rII's on all four wheels. Thanks ahead of time for any response. Peace.
Well, that's a bit dangerous as described. Please elaborate on what the car is expected do do at these speeds...corner, brake (repeatedly?), straight-line only, etc...closed track? You will need more than just suspension to maintain those speeds regularly... better brakes, maybe oil/tranny/diff coolers.

I wouldn't worry about the PHR unless you're at least using DOT race tires. Shocks will be more important than springs, but since you'll already be in there you might as well do the springs at the same time.

First I'll recommend contacting Sam Strano as he's the only suspension guy with vendor status on this forum I'd consult with. He'll probably recommend you put the 35mm bar in the front, and the 21mm bar in the rear though...

Last edited by JimMueller; Oct 28, 2006 at 10:54 AM.
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Old Oct 28, 2006 | 10:44 AM
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Originally Posted by da boss
and Nitto 555rII's on all four wheels
Originally Posted by Sgt. Spuds
drag radials on all four corners? sounds retarded.
Nitto 555RII...not 555R...

Read up before you start throwing out insults...
http://www.nittotire.com/tires_555r2.asp
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Old Oct 28, 2006 | 10:50 AM
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Originally Posted by TXAgZ28
Nitto 555RII...not 555R...

Read up before you start throwing out insults...
http://www.nittotire.com/tires_555r2.asp

Ohhhhhhhhhhhhhhhhhh SNAP!!
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Old Oct 28, 2006 | 06:41 PM
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thanks for the replys so far and I meant stability up to those speeds and it still feel like you are in complete control.
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Old Oct 28, 2006 | 08:22 PM
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buy a vette
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Old Oct 29, 2006 | 02:38 PM
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Downforce like woah is what you would need after a shocks upgrade.
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Old Oct 29, 2006 | 05:58 PM
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Get those Koni shocks for sure, also (although costly) replace what you can with lighter parts, like your wheels, brakes, control arms etc.
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Old Oct 29, 2006 | 10:29 PM
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I suggest 22" Spinners and a Fast and Furious Tres DVD (on sale at Coscto BTW)
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Old Oct 29, 2006 | 11:45 PM
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^^^^^lol
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Old Oct 30, 2006 | 11:42 AM
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IT depends on what your doing with the car. If your where its legal to go that fast such as europe...the shocks and bars will make it ride pretty good at them speeds.
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Old Oct 30, 2006 | 11:43 AM
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go with the radials out back and kumo exsta supras up front or something equal to the kumos and defently drop the car......and some good shocks...
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Old Oct 30, 2006 | 11:45 AM
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nittos tires are only good for one thing---hooking and there still not to good at that not high speeds i dont care if they arent the "drag radials"
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Old Oct 30, 2006 | 06:31 PM
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take what ever you can out of the car
koni sa shocks
stiff lowering springs
bigger froant and reay sway bars
lca
ta
sfc
stb
and a lower profile tire (less tire roll)
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Old Oct 31, 2006 | 11:00 AM
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Wow, this has been interesting....

Some suggestions have merit, some don't, and some have nuggets of good information. Let me see if I can help a little bit. Please not this is not a solid "for sure" recommendation, I don't do that online, I want to speak to people in person....

What parts you need depends on what the car is actually doing. This is not a completely simple thing to answer, which is why we talk. I can ask questions, and you answer them honestly and we figure out what's best. 99.49% of the time (at least) the biggest issues stem from a lack of shock damping on rebound and being overly stiff on compression, both of which are huge problems with the stock shocks.

From there we can discuss other options like springs, bars, and so on. But not until we figure out what is going on (with my help).
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Old Oct 31, 2006 | 11:37 AM
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Before I could make any concrete recomendations, I'd have to have more info on what the goal is for the car. RR, Open Road Race, street driving(?) ect. That has a HUGE impace on which way you go with the setup.

Jason S.
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