TT RS tire upgrade
05-23-2012, 07:00 PM
#1
Audi Forum - Posts like an A1
Thread Starter
Join Date: May 2012
Location: Vancouver
Posts: 5
TT RS tire upgrade
TT RS Tires
My take on the TTRS is that replacing the stock tires (Toyo Proxies T1 Sport) with tires that both perform better AND are lighter would increase the car's performance. Combining results of tire comparison tests with testimonials of several of my track enthusiast friends, suggests the ‘Michelin Pilot Super Sport’ would be an ideal choice.
Research by Tire Rack reports the Michelin Pilot Super Sport is superior to the Toyo Proxies on dry and equal on wet. Had the Pilot Sport's been on the car when 'Road and Track' did their skid pad test, I suspect the TTRS would have done better than its .95 rating. Personally, I thought that rating was on the low side (.97 would have been more realistic IMHO) for an all wheel drive car that distributes 50% of torque to both front and rear wheels, even if the car suffers a tad from oversteer at the extreme margin.
Also compelling is the Super Sport's weight at 24lbs vs. 26 for the Toyo Proxies. Two pounds difference per tire is significant. Imagine the mass of the wheel rotating at 100 mph. It's a giant flywheel that does not want to move. The less mass you have there, the easier and more responsive it is, as well as to accelerate to get the wheel moving or braking to get the wheel stopping.
Replacing the Toyos with the Super Sport’s would translate into a decrease of unsprung weight the engine has to move by 48 lbs. This weight difference is attributable to 2lbs per wheel X 4 wheels X a 'rule of thumb' multiplier of 6 lbs for every pound of reduced unspung weight.
Alternatively, an unsuspecting owner might purchase the very high performing Bridgestone Potenza S-04 Pole Position tires that weigh in at 29 lbs. each. Putting these on the car versus the Super Sport's would increase the weight the car has to move by 5lbsX 4 wheels X the multiplier of 6 = 120lbs.
No wonder they make such a fuss over tires during the F1 races!!
Anybody have experience with the Super Sport's?
My take on the TTRS is that replacing the stock tires (Toyo Proxies T1 Sport) with tires that both perform better AND are lighter would increase the car's performance. Combining results of tire comparison tests with testimonials of several of my track enthusiast friends, suggests the ‘Michelin Pilot Super Sport’ would be an ideal choice.
Research by Tire Rack reports the Michelin Pilot Super Sport is superior to the Toyo Proxies on dry and equal on wet. Had the Pilot Sport's been on the car when 'Road and Track' did their skid pad test, I suspect the TTRS would have done better than its .95 rating. Personally, I thought that rating was on the low side (.97 would have been more realistic IMHO) for an all wheel drive car that distributes 50% of torque to both front and rear wheels, even if the car suffers a tad from oversteer at the extreme margin.
Also compelling is the Super Sport's weight at 24lbs vs. 26 for the Toyo Proxies. Two pounds difference per tire is significant. Imagine the mass of the wheel rotating at 100 mph. It's a giant flywheel that does not want to move. The less mass you have there, the easier and more responsive it is, as well as to accelerate to get the wheel moving or braking to get the wheel stopping.
Replacing the Toyos with the Super Sport’s would translate into a decrease of unsprung weight the engine has to move by 48 lbs. This weight difference is attributable to 2lbs per wheel X 4 wheels X a 'rule of thumb' multiplier of 6 lbs for every pound of reduced unspung weight.
Alternatively, an unsuspecting owner might purchase the very high performing Bridgestone Potenza S-04 Pole Position tires that weigh in at 29 lbs. each. Putting these on the car versus the Super Sport's would increase the weight the car has to move by 5lbsX 4 wheels X the multiplier of 6 = 120lbs.
No wonder they make such a fuss over tires during the F1 races!!
Anybody have experience with the Super Sport's?
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