Factory rotors

zerophat · 02-25-2011, 01:46 PM

Does anyone know factory rotor weight is on the 2008 v8 4.2? I thought that the brakes rotors were different between the engine variants.

TJK · 02-25-2011, 06:29 PM

I know you said weight, but do you mean rotor thickness?

Jusforfun · 02-25-2011, 07:29 PM

Its the same for all models except the V12 TDI

zerophat · 02-25-2011, 07:55 PM

Was looking at replacement, lighter than stock, but don't know what to compare?

docman_md · 02-26-2011, 05:38 AM

Mine just reached 30K miles. I replaced all four rotors with StopTech Slotted (http://shop.achtuning.com/StopTech-1...s-Audi-Q7.aspx) and pads with Carbotech Bobcat. Better grip, no squeal, and no dust. Highly recommend this to anyone considering/needing to change rotors and pads.

GRNMACHINE · 02-26-2011, 06:49 AM

docman,

Do u know where the rotors/pads were manufactured?

docman_md · 02-26-2011, 08:21 AM

StopTech is based in California and they do manufactured from there. They produce several of the big brake kits for Audi. Check their website (www.stoptech.com)

CarboTech is based in North Carolina. They also manufacture from there. I was weighing on Hawk LTS pads but the tuning shop here in Maryland recommended Carbotech Bobcat series. www.ctbrakes.com

I love this set up so much i am thinking about doing the same for my A4.

Jusforfun · 02-26-2011, 11:51 AM

and they look so cool

zerophat · 02-28-2011, 02:33 PM

So, lighter, same, heavier than the stock rotors?

Reggie · 02-28-2011, 04:32 PM

Quote:

Originally Posted by zerophat

So, lighter, same, heavier than the stock rotors?

Just so you understand. Reducing the weight gives you better unsprung weight which helps handling but in a car the size of the Q7 you loose the ability to absorb heat in braking - going to a lighter disc can impact heavy use of the brakes in mountains and hard driving unless one makes up for it with a bigger diameter rotor and better pads.

02-25-2011, 07:29 PM	#3
Jusforfun AudiWorld Super User 2007 Audi Q7 Join Date: May 2006 Location: Ireland, Dublin Posts: 7,290	Its the same for all models except the V12 TDI __________________ Q5 related Link to Q5 Spreadsheet Exterior pics Interiors Q7 related Link to Q7 Spreadsheet Exterior pics by color, model and rim size Interior pics A4 S4 Spreadsheet Link to Q3 spreadsheet

02-26-2011, 05:38 AM	#5
docman_md Audiworld Junior Member Garage is empty, add now Join Date: Jan 2009 Posts: 16	Mine just reached 30K miles. I replaced all four rotors with StopTech Slotted (http://shop.achtuning.com/StopTech-1...s-Audi-Q7.aspx) and pads with Carbotech Bobcat. Better grip, no squeal, and no dust. Highly recommend this to anyone considering/needing to change rotors and pads. __________________ 2002 A4 3.0 Avant, Dolphin Grey/Black 2009 Q7 3.6, White/Beige, retrofitted LEDs

02-26-2011, 08:21 AM	#7
docman_md Audiworld Junior Member Garage is empty, add now Join Date: Jan 2009 Posts: 16	StopTech is based in California and they do manufactured from there. They produce several of the big brake kits for Audi. Check their website (www.stoptech.com) CarboTech is based in North Carolina. They also manufacture from there. I was weighing on Hawk LTS pads but the tuning shop here in Maryland recommended Carbotech Bobcat series. www.ctbrakes.com I love this set up so much i am thinking about doing the same for my A4. __________________ 2002 A4 3.0 Avant, Dolphin Grey/Black 2009 Q7 3.6, White/Beige, retrofitted LEDs

02-26-2011, 11:51 AM	#8
Jusforfun AudiWorld Super User 2007 Audi Q7 Join Date: May 2006 Location: Ireland, Dublin Posts: 7,290	and they look so cool __________________ Q5 related Link to Q5 Spreadsheet Exterior pics Interiors Q7 related Link to Q7 Spreadsheet Exterior pics by color, model and rim size Interior pics A4 S4 Spreadsheet Link to Q3 spreadsheet

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02-25-2011, 06:29 PM	#2
TJK Audiworld Junior Member Garage is empty, add now Join Date: Mar 2010 Posts: 42	I know you said weight, but do you mean rotor thickness?

02-25-2011, 07:55 PM	#4
zerophat AudiWorld Member Garage is empty, add now Join Date: Mar 2002 Posts: 143	Was looking at replacement, lighter than stock, but don't know what to compare?

02-26-2011, 06:49 AM	#6
GRNMACHINE AudiWorld Member 2007 Audi Q7 Join Date: May 2009 Posts: 522	docman, Do u know where the rotors/pads were manufactured?

02-28-2011, 02:33 PM	#9
zerophat AudiWorld Member Garage is empty, add now Join Date: Mar 2002 Posts: 143	So, lighter, same, heavier than the stock rotors?

02-28-2011, 04:32 PM
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