Audi e-tron / Q8 e-tron Discussion forums for the electric Audi e-tron SUV.

Lighter tires for less upsprung weight.

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Old Jan 6, 2020 | 06:25 PM
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URBAN LEGEND's Avatar
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Default Lighter tires for less upsprung weight.

Has anyone switched our tires to something that sheds some unsprung weight. I’m thinking Contis at 27 lbs each at 265 wide. This can give me range confidence. Thoughts?

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Old Jan 7, 2020 | 06:06 AM
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If you really want to play the unsprung weight game, then the answer is carbon fiber wheels.

https://www.caranddriver.com/news/a1...-fiber-wheels/

Also switch to a carbon fiber brake rotor setup as those huge cast iron rotors on the E-Tron are quite heavy (retrofit some Porsche PCCB's), that would make a considerable difference not only in the suspension but in the steering feel, acceleration and the range.

Should be able to do both of the above for about $ 30,000 <g>

Last edited by drcollie2; Jan 7, 2020 at 06:08 AM.
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Old Jan 7, 2020 | 07:25 AM
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Originally Posted by drcollie2
If you really want to play the unsprung weight game, then the answer is carbon fiber wheels.

https://www.caranddriver.com/news/a1...-fiber-wheels/

Also switch to a carbon fiber brake rotor setup as those huge cast iron rotors on the E-Tron are quite heavy (retrofit some Porsche PCCB's), that would make a considerable difference not only in the suspension but in the steering feel, acceleration and the range.

Should be able to do both of the above for about $ 30,000 <g>
Thanks for your help on a non related question. I appreciate it.
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