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Author Topic: What is best for Neg Camber?  (Read 11235 times)

Offline fuscobal

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Re: What is best for Neg Camber?
« Reply #30 on: October 26, 2010, 10:18:27 pm »
Nope, I installed the arms at the same time with the semi-slicks so the 11 seconds come from both but I can't be sure how much from each !
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Offline KleinAberFein

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Re: What is best for Neg Camber?
« Reply #31 on: October 27, 2010, 10:16:38 am »
Nope, I installed the arms at the same time with the semi-slicks so the 11 seconds come from both but I can't be sure how much from each !

ah, thank you for the information. well at least we know what both can do for the car! though i would think if you are using the semi-slick, you have to use these arms because the semi is usually liking more negative camber because it has more grip and makes the car roll more. i think if you use semi slick on normal arm you are wearing out the outside  shoulder of tire?

Offline danishmkvgti

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Re: What is best for Neg Camber?
« Reply #32 on: October 28, 2010, 10:42:54 am »
The thing you have to remember is you also need the hubs from the TT to put the ball joint lower and keep the wishbone as level as possible.  I am currently running the TT wishbones with the standard hubs and the wishbone is pointing up slightly which isnt great for the handling.

The S3/Cupra hubs seem to be different to the TT hubs and they dont lower the ball joint.

I have noticed this also, it's not possible to fit the TT control arm correctly to the ball joint due to the design of the S3 hub.


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Offline jon-tfsi

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Re: What is best for Neg Camber?
« Reply #33 on: October 29, 2010, 08:10:38 pm »
The ball joints on the TT arms sit on the underside of the arm, but on the S3 arms the ball joint sits on the top. (think GTI is the same)

Here is a couple of pics - TT arms at the top





If you uprade to TT arms without changing anything else, the arms will look like they are at a slightly different angle, but in reality the angle from bush to ball joint (pivot points) will remain the same. If the TT arms look horizontal or marginally pointing up it might look bad, but the chances are the balljoint is stlill lower than pivot point on the bush . . . . if you catch my drift
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Offline danishmkvgti

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Re: What is best for Neg Camber?
« Reply #34 on: October 29, 2010, 10:47:00 pm »
You wouldn't happen to have pictures of the TT hubs compared to the S3 ones would you??   :smiley: 

 :popcornsoda:

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Offline fuscobal

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Re: What is best for Neg Camber?
« Reply #35 on: January 21, 2011, 05:17:12 pm »
What's interesting is that on my last hungaroring session I had the ball joints installed wrong (on the top of the arm like the GTI, S3, Cupra one) and the car performed great ! I now have them installed properly and will see how it goes next track day in spring !
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Offline danishmkvgti

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Re: What is best for Neg Camber?
« Reply #36 on: January 21, 2011, 08:44:48 pm »
What's interesting is that on my last hungaroring session I had the ball joints installed wrong (on the top of the arm like the GTI, S3, Cupra one) and the car performed great ! I now have them installed properly and will see how it goes next track day in spring !

Fuscobal you haven't got the S3 svirwels/hubs do you??

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Offline rex

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Re: What is best for Neg Camber?
« Reply #37 on: January 23, 2011, 02:36:09 pm »
Tire wear is not a concern, with the TT arms, on the track. Without this upgrade I have a lot of tire wear on the outside of the tire. This is because when cornering I get positive camber. I currently have -1 degree of camber.
With the TT arms I should expect something around -2.5 (my guess). For GTI, the information I got from the manufacturer is that the minimum admitted camber is -2.15' (for the rear axle). So, up to that, I would not worry about tire wear.

Offline fuscobal

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Re: What is best for Neg Camber?
« Reply #38 on: February 08, 2011, 01:13:27 pm »
No Danish, I got the standard GTI hubs !
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Offline danishmkvgti

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Re: What is best for Neg Camber?
« Reply #39 on: February 08, 2011, 02:25:44 pm »
No Danish, I got the standard GTI hubs !

Thx, that also answered the question in the other tread  :happy2:  :drinking:

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Offline the bruce

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Re: What is best for Neg Camber?
« Reply #40 on: February 08, 2011, 02:40:45 pm »
Folks, I'm still confused.  :laugh:

I have the S3 arms on my car and S3 swivels/hubs ready to fit.
Whiteline ALK is coming soon.
But I need some additional camber as well, - 2°20' should match
coming semi slicks. So what to do now?

- fitting S3 hubs and replacing the S3 arms with TT ones?
- fitting complete TT arms and hubs?
- fitting S3 hubs and forget all the camber issues?
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Offline rex

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Re: What is best for Neg Camber?
« Reply #41 on: February 08, 2011, 02:57:14 pm »
 :smiley: As you may have seen, everybody is confused.  :surprised:
I had the TT arms on my agenda and today I saw that they do not fit the same for everybody  :smiley:.

For fuscobal, with GTI hubs, the TT arms are working fine (as intended). Camber is -2.3'.
For danishmkvgti, this S3 hubs, the TT arms can not be installed correctly but they are ok the way they are.

I would definitely get the TT arms (and I will very soon). Since you bought the S3 hubs, I would use those. If I were you I would also sell the S3 arms.
Camber is crucial on the circuit and all cars have negative camber (more or less aggressive). Please look at WTCC pictures, Formula 1 pictures, Formula 3 pictures tc.

Offline the bruce

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Re: What is best for Neg Camber?
« Reply #42 on: February 08, 2011, 03:44:36 pm »
No doubt the proper camber is crucial on track.  :wink:

My Federal 595 RS-R will benefit from at least 2° and I will go for Direzza 03G
later this year, so camber gets even more important.

I would gladly change some other parts if necessary, but replacing the steering
rack will be a bit too expensive.
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Offline laurent.d

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Re: What is best for Neg Camber?
« Reply #43 on: February 08, 2011, 05:05:59 pm »
If you want more négative camber, TT arms are definitely the way to go.

According to my measurement they should (I have to check it on the car when fitted) add from -1° to -1°45' (-1,75°) to your actual négative camber value, dépanding on how you set the ball joint up (thanks to the oblong fixing holes)
So, if you had 1° of negative camber you will end up from 2° to 2°45' of negative camber.

Then, or you can stick with OEM GTI swivel or go for S3 one (a bit lighter and may be stronger) (TT one don't seems to fit)

If you keep GTI swivel, you will be able to fit the ball joint under the TT arm as it has been designed and fitted on TT.

If you use S3 swivel, as it is more bulky than GTI one, you will have to fit the ball joint over the TT arm giving enough clearance to the swivel to turn around his vertical axle.

Note:
Ball joint fitted under or over the arm doesn't alter the geometry. What matter is not the postion of the arm itself but rather the position of the axle determinate by the fixing point of the arm to the subframe and the swivel ball joint.

TT swivel have a different fixing point which allow this clearance.
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Offline vRSAlex

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Re: What is best for Neg Camber?
« Reply #44 on: February 09, 2011, 09:35:53 pm »
I would go for the TT hubs and the TT arms.  This will give you the best camber and also the best wishbone angle.
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