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Old 03-07-2013, 05:33 PM   #1
Rising Blue R
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Quaife ATB Differential - Must Add MOD

For all us track and street performance lunatics, this has to be one of top mod priorities in my opinion. The car should of came out of the box with this from VW. I read about it last night and wanted to share since it seems to be the perfect addition to any build. Cheers

Just Imagine the HALDEX and Quaife = PERFECTION!!!!

http://quaife.co.uk/news/quaife-atb-...i-tts-s3-and-v

Quaife ATB differential launched for four-wheel drive
VAG TFSI cars, including Audi TTS, S3 and VW Golf R
Owners of high performance four-wheel drive Audi and VW
models can now improve the handling performance and
dynamic abilities of their cars thanks to Quaife Engineering.
That’s because the British-based high performance
automotive transmission specialist has launched a helical gear
automatic torque biasing limited slip differential for the front
axle of four-wheel drive versions of many popular
Volkswagen-Audi Group cars, including:-

�� Audi A3 Quattro 2.0 TFSI - 2003 onwards
�� Audi S3 2.0 TFSI - 2006 onwards
�� Audi TT 2.0 TDI Quattro - 2008 onwards
�� Audi TTS 2.0 TFSI Quattro - 2008 onwards
�� Volkswagen Golf R - 2009 onwards

Safe and progressive in operation, in this four-wheel drive VAG application the Quaife ATB helical gear limited slip
differential seamlessly biases the engine’s torque across the front axle to the wheel with the most grip. In practice,
this translates into less front wheelspin on the exit of corners, as well as reduced understeer during committed
driving, plus greater stability and resistance to ABS intrusion under heavy braking.
In addition, the Quaife ATB reduces wheelspin from a standing start, improving acceleration performance. In lowgrip
conditions, particularly snow, it offers proven benefits beyond the traction provided by the standard VAG fourwheel
drive transmission system.
Quaife ATB helical gear limited slip differential quality / service benefits:-
A direct replacement for the stock ‘open’ VAG differential contained within the four-wheel drive transmission
gearbox used on these VAG models, the Quaife differential functions using a durable system of helical gears,
meaning there are no plates, springs or other components that require servicing or replacement.
The Quaife ATB differential has been designed to use the standard VAG transmission oil and is covered by a limited
lifetime warranty for both road and competition use. This makes the Quaife ATB differential a true ‘fit and forget’
unit.
Quaife ATB differential units are manufactured in the United Kingdom from quality certified Tata steel billets and
inspected to ISO9001-2008 standards.
Carrying part number QDF23R, the Quaife helical gear ATB limited slip differential for VAG four-wheel drive TFSI
models is available now, priced at 660.00 excluding taxes. Installation requires use of an ARP high tensile crown
wheel bolt kit, which Quaife can supply for an additional 132.50, excluding taxes.
Contact:
Quaife Engineering on +44 (0)1732 741144 or www.quaife.co.uk
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Old 03-08-2013, 05:22 AM   #2
GreasyGinzo
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Look up Powerdub on the other site he has both front and rear LSD installed on his MK4 R32
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Old 03-08-2013, 10:34 AM   #3
troyguitar
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I wonder how much of a difference this makes if you have the race haldex controller already putting most of the power to the rear wheels, seems like a rear LSD would be more useful?
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Old 03-08-2013, 10:49 AM   #4
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Quote:
Originally Posted by troyguitar View Post
I wonder how much of a difference this makes if you have the race haldex controller already putting most of the power to the rear wheels, seems like a rear LSD would be more useful?
I think a LSD at either end is completely unnecessary unless your car is seeing full time track duty. It's probably one of the last mods I would ever consider doing. I had a Peloquin diff in my GTI and only ever felt it a few times over the course of a year.
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Old 03-08-2013, 11:23 AM   #5
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Quote:
Originally Posted by lamb110 View Post
I think a LSD at either end is completely unnecessary unless your car is seeing full time track duty. It's probably one of the last mods I would ever consider doing. I had a Peloquin diff in my GTI and only ever felt it a few times over the course of a year.
It might be the power difference but I love my wavetrac, Id say one of the best mods I have done. I have so much less wheel spin on straights and it makes an even bigger difference in the corners
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Old 03-08-2013, 12:43 PM   #6
troyguitar
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Obviously it is primarily a track mod, but I'd say it is the 3rd most important track mod right after tires and brake pads - maybe after a tune as well.

I'm just wondering how much the front diff actually matters on an AWD car after the bias is switched to favor the rear wheels with the upgraded haldex controller.
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Old 03-08-2013, 12:47 PM   #7
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Talk to Powerdub he can tell you
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Old 03-15-2013, 10:47 AM   #8
Rising Blue R
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Yeah....DIFF just arrived yesterday. Can not wait to have it installed with the HALDEX Competition controller.

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Old 03-21-2013, 02:29 AM   #9
maomao123
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Share with us how you feel after you test drive the car.

I have comp haldex on my car. When I exit corner and put on throttle, I observe the ESP light blinks, and I feel the outer wheel is losing grip and car is applying brake on the outer wheel. Hope the addition of LSD would improve it.
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Old 12-14-2013, 04:38 AM   #10
A3SBQ
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Winter bump!
Any info on this?
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Old 12-16-2013, 11:51 PM   #11
wbean
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i need a LSD for DSG Golf R.

any recommendation? haha
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