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Old May 13, 2010 | 07:45 PM
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Default suspension?

i bought an 09 C6 auto (first new car since 1987) and really love the car. feels a little bouncey espcially at high speed. besides the tires where is the low hanging fruit? (a little lower would be ok too)I dont want to go crazy... this is my daily driver. but am sure some of you folks know how to dial one these in on a budget. Thx,
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Old May 13, 2010 | 08:56 PM
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what suspension do you have: base, F55, Z51? what are your tire pressures set at?
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Old May 13, 2010 | 09:00 PM
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Originally Posted by AORoads
what suspension do you have: base, F55, Z51? what are your tire pressures set at?
tires are Pzero (this helped alot) base suspension .
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Old May 13, 2010 | 09:29 PM
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you might like to read up on here about those who have switched out the sway bars to the Z51 sways (sold new by forum vendors, very reasonable; or sometimes you can find them in C6Parts for Sale, also very reasonable). that helps quite a bit. then, there are those who either go Bilstein Sport shocks or Koni FSD shocks, the Bilsteins actually being quite a bit less expensive.
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Old May 13, 2010 | 10:17 PM
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Originally Posted by AORoads
you might like to read up on here about those who have switched out the sway bars to the Z51 sways (sold new by forum vendors, very reasonable; or sometimes you can find them in C6Parts for Sale, also very reasonable). that helps quite a bit. then, there are those who either go Bilstein Sport shocks or Koni FSD shocks, the Bilsteins actually being quite a bit less expensive.
I just installed Bilsteins on my '09 Z51 last weekend because of that "bouncy" feeling. They made a BIG difference. Still have stock tires too. When those are changed in about 10K miles, I expect even more improvement.
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Old May 13, 2010 | 10:53 PM
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As others have said, shocks will make a huge difference
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Old May 14, 2010 | 12:42 AM
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Originally Posted by vdaddy
I just installed Bilsteins on my '09 Z51 last weekend because of that "bouncy" feeling. They made a BIG difference. Still have stock tires too. When those are changed in about 10K miles, I expect even more improvement.
If you check back, I haven't really noticed a bouncy feeling in the 07 Z51 I just bought, but I suppose the Bilstein Sports would make for a better ride in genl.

Is that picture from "Life Stinks"? Great movie (esp. he says to another bum he's worth $6.4 billion and the other guy says, "and, I'm worth $6.5 billion", and he goes bonkers)
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Old May 14, 2010 | 12:53 AM
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$500 for Z51 sway bars and Bilsteins makes for a great mod and the best suspension combo for my money
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Old May 14, 2010 | 12:59 AM
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Hmm, unless something is wrong I would not clasify even the base suspension as bouncy. In fact as speed builds the more settled the car gets. I had my 06 base up to 170+ and it was rock steady.
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Old May 14, 2010 | 01:27 AM
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Originally Posted by cclive
$500 for Z51 sway bars and Bilsteins makes for a great mod and the best suspension combo for my money
thats what I did
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Old May 14, 2010 | 01:29 AM
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Originally Posted by TMyers
Hmm, unless something is wrong I would not clasify even the base suspension as bouncy. In fact as speed builds the more settled the car gets. I had my 06 base up to 170+ and it was rock steady.
Bouncy is not how I would describe the base car.
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Old May 14, 2010 | 04:17 AM
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I wouldn't call it bouncy either.

Maybe it has something to do with the road you're on.

The Gov. William J. LePetomane Thruway, perhaps.

If so, you're gonna need a $h!tload of dimes.

Last edited by Knob Jockey; May 14, 2010 at 02:54 PM. Reason: sp
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Old May 14, 2010 | 08:56 AM
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Originally Posted by cclive
Bouncy is not how I would describe the base car.
When you take a sweeping turn, like an on-ramp at descent (legal) speeds and hit a hump, you will know what the OP is talking about.

I have a base suspension car also and did not notice this until the conditions are just right. I don't care for that behaviour either. I have the z51 sways but my next mod will be stiffer shocks.

I think with the base springs that the proper shocks to get are the Bilstein HDs.

It's not my DD so I don't mind giving up ride comfort for a tighter suspension feel.
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Old May 14, 2010 | 10:16 AM
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Koni FSD's made a terrific improvement in regards to the floating front. I have the FSD's along with Z51 bars and Elite Engineering tunnel plate. Car is planted and level for street driving.
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Old May 14, 2010 | 01:21 PM
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Originally Posted by thirtythird
When you take a sweeping turn, like an on-ramp at descent (legal) speeds and hit a hump, you will know what the OP is talking about.

I have a base suspension car also and did not notice this until the conditions are just right. I don't care for that behaviour either. I have the z51 sways but my next mod will be stiffer shocks.

I think with the base springs that the proper shocks to get are the Bilstein HDs.

It's not my DD so I don't mind giving up ride comfort for a tighter suspension feel.
I agree that it doesn't take bumps in corners well, but I would describe it as skittery behavior. A bump in a corner, especially a sharp, short bump really causes the car to lose its balance and jump sideways a bit. This is the behavior that the Bilsteins really helped. Also I agree about the HDs vs sports on the base suspension.
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Old May 15, 2010 | 10:11 PM
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Originally Posted by Boomer111
Koni FSD's made a terrific improvement in regards to the floating front. I have the FSD's along with Z51 bars and Elite Engineering tunnel plate. Car is planted and level for street driving.
konis sound like the ticket. i dont mind spending 1k on suspension. thats a bargain. and float is/was a better description than bounce.
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Old May 15, 2010 | 10:22 PM
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Originally Posted by TMyers
Hmm, unless something is wrong I would not clasify even the base suspension as bouncy. In fact as speed builds the more settled the car gets. I had my 06 base up to 170+ and it was rock steady.


the 170 i think would enjoy the track. i dont get that confidence at speed anywhere north of 150 continuos
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