Suspension question

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Aug 12, 2007 | 11:58 PM

Tx Ray-C5

Thread Starter

Burning Brakes

Joined: Apr 2006

Posts: 1,201

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From: San Antonio Texas

Suspension question

I have an 04 Vette and my question is..... When I'm on the highway or taking a turn and hit some bumps in the road, the car seems to loose contact with the road and the rear of the dances around.

Is the suspension that stiff on these cars? Or are my shocks worn ?

Stock shocks and springs with Z06 sway bars. And car is "not" lowered.

Last edited by Tx Ray-C5; Aug 13, 2007 at 08:07 AM.

Aug 13, 2007 | 12:11 AM

roushraven

Coolest Guy Evar!

Joined: Nov 2003

Posts: 1,570

Likes: 3

From: Fairfax VA

List your suspension set-up.

-RR

Aug 13, 2007 | 08:07 AM

Tx Ray-C5

Thread Starter

Burning Brakes

Joined: Apr 2006

Posts: 1,201

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From: San Antonio Texas

Quote:

Originally Posted by roushraven

List your suspension set-up.

-RR

setup added

Aug 13, 2007 | 08:25 AM

roushraven

Coolest Guy Evar!

Joined: Nov 2003

Posts: 1,570

Likes: 3

From: Fairfax VA

Quote:

Originally Posted by Tx Ray-C5

setup added

Thanks.

Our cars have a natural tendency to react the way you described under those conditions with the stock set-up at stock ride height. Before doing any serious changes to your suspension I would recommend that you have another alignment. It won't totally eliminate the tendency to "wiggle" over bumps but it can reduce it significantly. I'll dig up some specs for you to consider and PM them to you later.

-RR

Aug 13, 2007 | 08:35 AM

Tx Ray-C5

Thread Starter

Burning Brakes

Joined: Apr 2006

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From: San Antonio Texas

I replaced one of the front lower a-arms about a month ago due to a bad ball joint. I've already had the car aligned.

Aug 13, 2007 | 09:00 AM

blue63cpe

Racer

Joined: Feb 2005

Posts: 491

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From: Arlington Hts. IL

Like roushraven said a natrual tendency,find the current car and driver with the road test of the 'much improved 08'. They call that tendency 'scary'.

Aug 13, 2007 | 11:42 AM

Tx Ray-C5

Thread Starter

Burning Brakes

Joined: Apr 2006

Posts: 1,201

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From: San Antonio Texas

Quote:

Originally Posted by blue63cpe

Like roushraven said a natrual tendency,find the current car and driver with the road test of the 'much improved 08'. They call that tendency 'scary'.

Well that sucks !

Aug 13, 2007 | 06:46 PM

gjdean

Cruising

Joined: Aug 2005

Posts: 11

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From: Saginaw MI

Mine will do this also with the runflats on.
When I have the supercar tires or the slicks it won't.

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Aug 13, 2007 | 06:58 PM

wuznme

Pro

Joined: Mar 2007

Posts: 618

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From: Huntsville AL

I was going to say the run flats as well, since the suspension is all stock

Aug 13, 2007 | 07:13 PM

#10

Gray Ghost GS

"AlohaC5" Senior Member

Joined: Jun 2003

Posts: 3,562

Likes: 44

From: Madison, AL

Are you still driving with Run Flat Tires? They cause the car to do exactly what you're describing.

Aug 13, 2007 | 09:01 PM

#11

ajg1915

Race Director

Joined: May 2005

Posts: 15,960

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From: West Norriton PA

St. Jude Donor '08

You could try installing a bump steer kit.

Aug 13, 2007 | 09:49 PM

#12

waterzap

Racer

Joined: Nov 2006

Posts: 264

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From: Centre, AL

Or non runflat tires...

Aug 13, 2007 | 10:01 PM

#13

Tx Ray-C5

Thread Starter

Burning Brakes

Joined: Apr 2006

Posts: 1,201

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From: San Antonio Texas

Quote:

Originally Posted by gjdean

Mine will do this also with the runflats on.
When I have the supercar tires or the slicks it won't.

Quote:

Originally Posted by wuznme

I was going to say the run flats as well, since the suspension is all stock

Quote:

Originally Posted by AlohaC5

Are you still driving with Run Flat Tires? They cause the car to do exactly what you're describing.

I have a full set of new Michelins that came on the car when I purchased it.

Aug 13, 2007 | 10:01 PM

#14

Tx Ray-C5

Thread Starter

Burning Brakes

Joined: Apr 2006

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From: San Antonio Texas

Quote:

Originally Posted by waterzap

Or non runflat tires...

So should I sell my Michelins and buy some Kumo's ??

Aug 13, 2007 | 10:05 PM

#15

Gray Ghost GS

"AlohaC5" Senior Member

Joined: Jun 2003

Posts: 3,562

Likes: 44

From: Madison, AL

If your Michelins are Run Flats, then yes - I would put them up for sale and get a set of Kumho MX - good tire performance for the price. The handling difference is like night and day.

Aug 14, 2007 | 08:25 AM

#16

Tx Ray-C5

Thread Starter

Burning Brakes

Joined: Apr 2006

Posts: 1,201

Likes: 0

From: San Antonio Texas

Quote:

Originally Posted by AlohaC5

If your Michelins are Run Flats, then yes - I would put them up for sale and get a set of Kumho MX - good tire performance for the price. The handling difference is like night and day.

greeeaat................. anyone want to buy a full set of year old Michelins ???

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