S2000 Racing and Competition The S2000 on the track and Solo circuit. Some of the fastest S2000 drivers in the world call this forum home.

Corner exit oversteer

Thread Tools
 
Old Oct 11, 2004 | 06:31 PM
  #1  
TrueDrezzer's Avatar
Thread Starter
Registered User
 
Joined: Sep 2002
Posts: 871
Likes: 0
From: N
Default Corner exit oversteer

Most of my training has taught me that once you're safely past the apex and are putting more and more throttle down, slip that occurs is normally understeer. However, I've noticed more and more that I get power oversteer in similar situations with the S2k on the track.

Basically, I'll hit the apex and start to apply power with no problems. Nearing the exit, the car will skip out a bit, which slows me down as I have to correct.

Granted, the N
Reply
Old Oct 11, 2004 | 06:35 PM
  #2  
davepk's Avatar
Registered User
Gold Member (Premium)
20 Year Member
 
Joined: Oct 2000
Posts: 1,664
Likes: 0
From: Santa Cruz, CA
Default

Sounds like you need some aero on the back end. The other thing that really helps is removal of the rear sway bar and increase in the rear spring rate to compensate. This also has the added benifit of preserving the diff from damage due to rear inside wheel lift.

The aero will help a little bit. The sway bar removal will transform your ability to apply power on exit.
Reply
Old Oct 11, 2004 | 06:45 PM
  #3  
rlaifatt's Avatar
 
Joined: Jan 2002
Posts: 4,666
Likes: 2
From: Encinitas (San Diego), CA
Default

Sounds like you are having the whole rear end skip out though, not just inside wheel spin, though preventing this would increase overall grip. Is you suspension stock or modified?
Reply
Old Oct 11, 2004 | 07:27 PM
  #4  
mikegarrison's Avatar
Registered User
 
Joined: Apr 2003
Posts: 22,888
Likes: 3
From: Covington WA, USA
Default

[QUOTE=TrueDrezzer,Oct 11 2004, 07:31 PM] What is funny is that on the short but bumpy corners, for example the uphill righthander Br
Reply
Old Oct 11, 2004 | 08:08 PM
  #5  
shaggy's Avatar
Registered User
 
Joined: Sep 2003
Posts: 530
Likes: 0
From: Salem
Default

I know of what you speak.

Granted that I drive a car where I can't change the spring rates (B Stock autocross car), but I generally solve this problem by increasing the rebound resistance in the front dampers.

As you apply power and shift the weight rearward, a stiffer rebound setting in the front dampers will take some of the bite out of the front end of the car, allowing more neutral handling during the application of power.

Andy H.
Reply
Old Oct 12, 2004 | 10:46 AM
  #6  
TrueDrezzer's Avatar
Thread Starter
Registered User
 
Joined: Sep 2002
Posts: 871
Likes: 0
From: N
Default

Stock suspension with S-02s. I'm not really having any inside wheel spin problems on slow corners. Rather, the LSD is working, and shoving power to the outside wheel. However, the rear end of the car gets light, and as my speed increases, it slips out.

The only aero I have is the stock rear spoiler But yes, the rear end does feel a bit too light. Most of these problem corners are slightly uphill. On the downhill off camber corners, I'm always very conservative, and never have this problem.

///Robin
Reply
Old Oct 12, 2004 | 12:46 PM
  #7  
twohoos's Avatar
Member (Premium)
25 Year Member
Liked
Loved
Community Favorite
 
Joined: Feb 2001
Posts: 4,061
Likes: 363
From: Redondo Beach
Default

I think you've discovered what makes the S so "fun" at the limit in sweepers. Basically, it's the one-two punch of aero lift and poor bumpsteer. (Not to mention the sucker punch of the torsen LSD! )

The paths to salvation are several:
- Wing
- Bumpsteer kit
- No rear swaybar
- Big ol' hairy attachments

Good luck!
Reply

Trending Topics

Old Oct 12, 2004 | 12:50 PM
  #8  
Ludedude's Avatar
Administrator
 
Joined: Jan 2002
Posts: 15,835
Likes: 1
From: Vegas Baby, Vegas
Default

Reply
Old Oct 12, 2004 | 01:51 PM
  #9  
TrueDrezzer's Avatar
Thread Starter
Registered User
 
Joined: Sep 2002
Posts: 871
Likes: 0
From: N
Default

I am in the Enzo school of thinking that good driving can make up for deficiencies in the car, so I'll be keeping stock until I upgrade myself first

Yes, the car is definitely "fun." in these corners It's just a lot more fun when I can anticipate when something is going to happen. This is slowly improving, of course.

You mentioned the LSD. How different would the car behave if it had an open diff at these "bumpsteer near the corner exit" situations?

///Robin
Reply
Old Oct 12, 2004 | 02:28 PM
  #10  
mikegarrison's Avatar
Registered User
 
Joined: Apr 2003
Posts: 22,888
Likes: 3
From: Covington WA, USA
Default

Originally Posted by TrueDrezzer,Oct 12 2004, 02:51 PM
You mentioned the LSD. How different would the car behave if it had an open diff at these "bumpsteer near the corner exit" situations?
You wouldn't be able to put down enough power to get into the situation.
Reply



All times are GMT -8. The time now is 01:06 PM.