Autocrossing & Roadracing Suspension Setup for Track Corvettes, Camber/Caster Adjustments, R-Compound Tires, Race Slicks, Tips on Driving Technique, Events, Results
Sponsored by:
Sponsored by:

Body roll [pic]

Thread Tools
 
Search this Thread
 
Old 03-03-2011, 03:45 PM
  #1  
ptindall
Team Owner
Thread Starter
 
ptindall's Avatar
 
Member Since: Aug 2006
Location: Picking on the weakest kid in the yard.
Posts: 30,897
Received 45 Likes on 27 Posts

Default Body roll [pic]

Here is my 2001 Z06 with stock suspension and street tires. Do you think this is too much body roll? I'm planning to get pfadt's Jonny O'Connel sway bars because the rate seems pretty good and they are reasonably priced. Thoughts?

Old 03-03-2011, 03:55 PM
  #2  
rasrboy
Melting Slicks
 
rasrboy's Avatar
 
Member Since: Sep 2004
Location: Rubber City Ohio
Posts: 2,127
Received 7 Likes on 5 Posts

Default

Originally Posted by ptindall
Here is my 2001 Z06 with stock suspension and street tires. Do you think this is too much body roll? I'm planning to get pfadt's Jonny O'Connel sway bars because the rate seems pretty good and they are reasonably priced. Thoughts?

Looks pretty good to me for a downhill off camber turn.

Can't go wrong with Pfadt's product line though and they are great people to boot.
Old 03-03-2011, 04:14 PM
  #3  
96solo
Burning Brakes
 
96solo's Avatar
 
Member Since: Nov 2005
Location: Chandler AZ
Posts: 1,161
Received 1 Like on 1 Post

Default

Originally Posted by rasrboy
Looks pretty good to me for a downhill off camber turn.

Can't go wrong with Pfadt's product line though and they are great people to boot.
I agree with Aaron. Pfadt folks are great to work with.

I used the Hotchkiss sways before the T-1's. Great bars with heim joints, very light weight, and no noise. Great for autocrossing or street!

What that photo shot taken at the new Inde track?
Old 03-03-2011, 04:21 PM
  #4  
Screamin Z
Burning Brakes
 
Screamin Z's Avatar
 
Member Since: Mar 2009
Location: Boonville Missouri
Posts: 848
Likes: 0
Received 9 Likes on 9 Posts

Default

Quick transiton corners, hard left and hard right (VIR 4 and 5 come to mind) You can really tell the affects of body roll. Takes just a split second longer to transfer load. Id say a set of sways or just fronts wont do any harm!
Old 03-03-2011, 10:03 PM
  #5  
ptindall
Team Owner
Thread Starter
 
ptindall's Avatar
 
Member Since: Aug 2006
Location: Picking on the weakest kid in the yard.
Posts: 30,897
Received 45 Likes on 27 Posts

Default

Originally Posted by 96solo
What that photo shot taken at the new Inde track?
Great track.
Old 03-04-2011, 08:07 AM
  #6  
Bills Z06
Race Director
 
Bills Z06's Avatar
 
Member Since: Sep 2004
Location: Cypress TX
Posts: 14,406
Likes: 0
Received 2 Likes on 2 Posts
St. Jude Donor '07-'08-'09-'10-'11-'12-'13-'14-'15-'16-'17-'18


Default

Not bad at all, but if you really want flatter cornering, get a set of T1 sway bars front and rear. I would also recommend the adjustable end links. Good luck!
Old 03-04-2011, 08:17 AM
  #7  
ptindall
Team Owner
Thread Starter
 
ptindall's Avatar
 
Member Since: Aug 2006
Location: Picking on the weakest kid in the yard.
Posts: 30,897
Received 45 Likes on 27 Posts

Default

Originally Posted by Bills Z06
Not bad at all, but if you really want flatter cornering, get a set of T1 sway bars front and rear. I would also recommend the adjustable end links. Good luck!
I would, but from what I've seen the T1 bars cost $1000. WTF? Pfadt's site shows the O'Connel bars are just slightly less stiff than the T-1 bars and come with non noisy adjustable end links and poly bushings for $625. Or $1000 with the matching shocks. Is there a place I can buy the T-1 bars, end links, and bushing for a similar price?
Old 03-04-2011, 08:45 AM
  #8  
John Shiels
Team Owner
 
John Shiels's Avatar
 
Member Since: Jul 1999
Location: Buy USA products! Check the label! Employ Americans
Posts: 50,808
Received 8 Likes on 8 Posts

Default

Originally Posted by ptindall
I would, but from what I've seen the T1 bars cost $1000. WTF? Pfadt's site shows the O'Connel bars are just slightly less stiff than the T-1 bars and come with non noisy adjustable end links and poly bushings for $625. Or $1000 with the matching shocks. Is there a place I can buy the T-1 bars, end links, and bushing for a similar price?
you can look for used ones.
Old 03-04-2011, 09:37 AM
  #9  
travisnd
Safety Car
 
travisnd's Avatar
 
Member Since: May 2008
Location: Chesapeake VA
Posts: 4,629
Likes: 0
Received 18 Likes on 10 Posts
Default

Keep an eye out for used T1 bars.... I bought a set for $400 w/ endlinks. However, the RF end link was going bad so I replaced them with Powergrid endlinks which are a huge upgrade IMO. No more clanky heim-joints with limited range of motion.
Old 03-04-2011, 09:41 AM
  #10  
drivinhard
Racer
Support Corvetteforum!
 
drivinhard's Avatar
 
Member Since: Dec 2006
Location: Braselton GA
Posts: 4,433
Received 16 Likes on 15 Posts

Default

Here's a T1 bar set up (stock springs). Note this car (pre cage, lots of low ballast) had a very low cg.


I actually wish I could (and plan to) soften the front bar. Depending on the track, some (slower) weight transfer is not a bad thing.
Old 03-05-2011, 08:07 PM
  #11  
sperkins
Le Mans Master
 
sperkins's Avatar
 
Member Since: Oct 2005
Location: Macon, GA
Posts: 9,429
Received 44 Likes on 35 Posts

Default

Originally Posted by drivinhard
Here's a T1 bar set up (stock springs). Note this car (pre cage, lots of low ballast) had a very low cg.
And here's it's sister car. Same exact suspension setup, but with a higher center of gravity (1.20 wall cage).

Old 03-06-2011, 09:41 AM
  #12  
ipuig
Drifting
 
ipuig's Avatar
 
Member Since: Jan 2008
Location: Florida
Posts: 1,481
Received 54 Likes on 36 Posts
St. Jude Donor '09

Default

Originally Posted by ptindall
Here is my 2001 Z06 with stock suspension and street tires. Do you think this is too much body roll? I'm planning to get pfadt's Jonny O'Connel sway bars because the rate seems pretty good and they are reasonably priced. Thoughts?
Why are you worried about it, is it causing you problems with pushing or being loose in the turns? Is the car allready lowerd to the maximum recommended by the OEM? Have you tried dialing in a little negative camber?
Old 03-06-2011, 01:07 PM
  #13  
sperkins
Le Mans Master
 
sperkins's Avatar
 
Member Since: Oct 2005
Location: Macon, GA
Posts: 9,429
Received 44 Likes on 35 Posts

Default

Originally Posted by drivinhard
I actually wish I could (and plan to) soften the front bar. Depending on the track, some (slower) weight transfer is not a bad thing.
That's because you went from the 1,700lb nose weight the T1 bars were designed for down to 1300lbs.
Old 03-06-2011, 01:19 PM
  #14  
ptindall
Team Owner
Thread Starter
 
ptindall's Avatar
 
Member Since: Aug 2006
Location: Picking on the weakest kid in the yard.
Posts: 30,897
Received 45 Likes on 27 Posts

Default

Originally Posted by ipuig
Why are you worried about it, is it causing you problems with pushing or being loose in the turns?
I was too loose last time out. It took very little throttle make the car rotate. But more importantly, in head to head comparison with C6Z06s, I had much more body roll than them and less overall grip. Even in a balanced condition, maximizing corner speed I was being equalled or bested by C6Z06s on street tires taking worse lines with less body roll.


Originally Posted by ipuig
Is the car allready lowerd to the maximum recommended by the OEM?
Yes.

Originally Posted by ipuig
Have you tried dialing in a little negative camber?
When I had the car aligned a couple years ago this is what it was set to.

Front: -1.5 camber, 0 toe. All the equal caster you can get.
Rear: -1.0 camber, 1/8 total toe in.


Tire wear has been very even accross the tire both front and rear, so I've been happy with camber. Maybe I could use more anyway? My rears have worn quicker than my fronts.
Old 03-06-2011, 01:51 PM
  #15  
John Shiels
Team Owner
 
John Shiels's Avatar
 
Member Since: Jul 1999
Location: Buy USA products! Check the label! Employ Americans
Posts: 50,808
Received 8 Likes on 8 Posts

Default

anti-sways help but to take out the roll you need heavier leafs or coil-overs.
Old 03-06-2011, 02:28 PM
  #16  
ipuig
Drifting
 
ipuig's Avatar
 
Member Since: Jan 2008
Location: Florida
Posts: 1,481
Received 54 Likes on 36 Posts
St. Jude Donor '09

Default

Originally Posted by ptindall
,

When I had the car aligned a couple years ago this is what it was set to.

Front: -1.5 camber, 0 toe. All the equal caster you can get.
Rear: -1.0 camber, 1/8 total toe in.

Tire wear has been very even accross the tire both front and rear, so I've been happy with camber. Maybe I could use more anyway? My rears have worn quicker than my fronts.
C6Zs run a lot more rear tire than we do, I'm runnig nearly the same alignment specs with the exception of the rear toe, I set mine to 0, it seemed to make the car a little more planted coming out of the corners for me. Of course I can still easily break the rear loose if I'm too aggressive.
Old 03-06-2011, 04:09 PM
  #17  
sperkins
Le Mans Master
 
sperkins's Avatar
 
Member Since: Oct 2005
Location: Macon, GA
Posts: 9,429
Received 44 Likes on 35 Posts

Default

Street car or track car. You can't really have both.

Get notified of new replies

To Body roll [pic]




Quick Reply: Body roll [pic]



All times are GMT -4. The time now is 06:44 PM.