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CTS-V & XLR V
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Discussion Starter #1 (Edited by Moderator)
What rotors should I put on my V? I'm driving it in Germany, - (lots of fun with the Porche drivers) but the front rotors are now worn too much and makes noise when getting hot. - Also doing some track racing now and then. Do I need slotted or drilled or both? And which brand?

I broke the first rear end on the V, as I did not know I needed a cooler for the rear end oil. I also think the manual gear box is getting more noisy?

Soren TJ
@SorenToftJensen
 

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2009 CTS-V
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Sorentj said:
What rotors should I put on my V? I'm driving it in Germany, - (lots of fun with the Porche drivers) but the front rotors are now worn too much and makes noise when getting hot. - Also doing some track racing now and then. Do I need slotted or drilled or both? And which brand? I broke the first rear end on the V, as I did not know I needed a cooler for the rear end oil. I also think the manual gear box is getting more noisy? Soren TJ @SorenToftJensen
In all honesty, with some "now and then" tracking it's highly unlikely you'll push even the stock rotors hard enough to truly justify needing slotted or drilled rotors. If you want a set for looks, that's different but from a performance standpoint save your money. I'd put new two piece stockers on it.
 

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2011 CTS-V A6 Sedan Modded :)
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I run the stock 2-peice rotors for daily driving and road racing weekends. IMO drilled and slotted offer zero improvement and in the long run will likely reduce longevity. When I road race, i can easily get stress cracks after a weekend of heavy braking with track pads. Drilled just give an easier spot for a crack to start.

As trapspeed said, for looks, go for it.
 

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CTS-V & XLR V
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Discussion Starter #6
Thanks all for good advices. I think you are right that slotted will increase wear on the pads. So I'll go for
two piecs stockers. (I assume that this is std. originl ones?)

Anybody having noise from the std. 6 speed gear box?

Soren
 

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Gone; ‘09 V, ‘13 V coupe. Curr; ‘14 PG Vsport prem w/Kona interior
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I'll go for
two piecs stockers. (I assume that this is std. originl ones?)
2 piece front rotors were stock beginning in '13. They should work just as well on '11 & '12 models.
 

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Had 2009 V, Red/Blk 2016 Now
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Centric all the way. Low price, warranty, and they look good. I've used a set for years, with road racing, and they are barely worn.
 

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2012 CTSV coupe
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Anybody with experience with the manual gear box? Still getting more noisy.
Id have the gear box checked by a professional. May be normal. May not. As for rotors... depending on how much you track verses daily drive. The only true improvement would be to go carbon ceramic and never have to change your rotors again. Thats if you understand that the difference and its somewhat loss of performance daily and huge improvement for tracking.
 

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2009 CTS-V Black/Black, manual
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Anybody with experience with the manual gear box? Still getting more noisy.
I would check the manual gear box oil first, and inspect it for significant metallic debris. If there is debris, then of coarse there may be a problem. But if all is Ok, re-fill with high quality manual gear oil to see if that helps with the noise.
 
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