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-   -   17' Square Tire & Wheel Setup (http://986forum.com/forums/boxster-racing-forum/36355-17-square-tire-wheel-setup.html)

SlotCar 07-14-2012 09:03 PM

17' Square Tire & Wheel Setup
 
Does anyone have experience running a "Square" setup with 17' 255/40's on all four wheels?

thstone 07-14-2012 11:17 PM

http://986forum.com/forums/boxster-racing-forum/31915-boxster-spec-allows-245-40-17-square.html


http://986forum.com/forums/boxster-racing-forum/33113-non-staggered-wheel-setups.html

Topless 07-15-2012 01:43 PM

Quote:

Originally Posted by SlotCar (Post 297651)
Does anyone have experience running a "Square" setup with 17' 255/40's on all four wheels?

Yep, I have run this setup periodically since 2009 as have most Texas SPBOX drivers. What do you want to know?

My impressions:
More ultimate cornering grip.
Tires can be moved around to all 4 corners to maximize life.
Brake bias moves forward so the car tends to duck more in braking zones. Front brakes overheat more easily and wear out faster.
A bit slower on long straights. (more un-sprung weight/rotational mass and windage)
Is it faster? Maybe in AX, not in my car on the track.

Jittsl 07-16-2012 12:30 AM

Like topless I run it in my SpecBox. I honestly can't say I find any difference worth talking about. If anything I feel like the steeing feel quality deteriorates. I do it so I can move my tires front to back witch saves a little cash. What have you got in mind?


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