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Discussion in 'Model S: Driving Dynamics' started by Bennny, Apr 5, 2016.
Which, and why?
A) Nice look without the pothole or harsh ride issues of the 21"s
B) Square setup lets the MS steer fairly neutral -- staggered encourages understeer
C) Square setup lets you rotate in a rear-cross pattern to lengthen tire life, staggered limits rotation options.
A) compared to any reasonable person, this is still "low profile", and with TST or Rial wheels, nobody can tell they aren't 21s without a side by side comparison
B) Square allows for tire rotation
C) 19" is far more comfortable a ride, and far less susceptible to damage than anything larger, and performs as well or better than 20s or 21s when equipped with the same model of tires.
Disagree with B) Staggered encourages understeer.
Quite the contrary. Not on the TMS. With staggered Turbines with 245/35-21 front and 265/35-21 rear, the car handles better and with less understeer than any other Model S, on both single motor or dual motor versions.
I used to drive squared Turbines and swapped the rear wheels to 9" wide Turbines with 265/35-21 Conti 5P CSI. The car does bends much better than previously and understeer is history. I drive a 85D with air suspension.
Completely disagree with A)
I changed to 21 inch Turbines for my winter setup because any 19" wheels look tiny on the Model S and ruins the aesthetics of the otherwise good looking car. Whether Rial Luganos or TST.
No need to do a side by side comparison with 21s unless you are old with very poor eye sight and lack aesthetic judgement.
None of the above, I'd prefer the brake calipers be slightly smaller and allow 18" wheels. For range increase, cost per mile savings, cost per tire savings.
Given that isn't an option without modifying the brakes I'd take the 19" square option as the best option.
I agree...I think that's the 'SweetSpot'.....no 21 cost/damage....looks better than 19's. Looks like you have the 20" TST's? Love that look....perfect in my opinion. Like the 21s but all the issues.
I also have an 85D with air suspension.
I'd be interested in trying a staggered setup to feel the difference. Conventional wisdom says that more tread in the rear = better grip = less tendency for the rear to slide out and more tendency for the front to break loose = understeer. However, I'm not a suspension setup expert, and there's definitely other factors than this simple analysis.
Yes, I have the 20x9" TSTs.
Looks like from above I may have to get two of the 20x10" TSTs and try a staggered setup.