squared vs staggered affects on the track

[jabrax]

Setup
I'm new to track days, plan to attend my third next month.
Car is a daily driver with plans for the PP wheels to be a winter setup.
Looking to purchase a summer setup for DD and track

I have a line on a nice staggered setup 19X10 (275X40) and 19X11 (305X35) with great tires at a great price.

I have been contemplating a 19X10 squared setup with 285X35X19

Question - Are there performance advantages running a squared setup vs staggered? I understand the ability to rotate tires is big given the price of high end tires.

Are there obvious advantages for either of these setups?

Tires will get maybe 10K a year as a daily driver and it will see a couple of days at the drag strip

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[VinnAY]

subd

 

[ForTehNguyen]

understeer disappeared with square 275/40/19 PSS. Car felt lazy to turn on stock PP wheels tires even after sway bars, rear IRS mods

 

[Norm Peterson]

When you stagger the tires (and/or wheels), you're basically adding understeer. When you crutch that with looser suspension tuning to balance the end result toward neutral, the suspension and the tire sizing are working at slightly cross-purposes rather than together.

Pick you tire sizing based on the amount of work each end of the car has to do in a corner first. For most NA front engine RWD cars, a 'square' tire and wheel starting point is the easy answer. Big power (forced induction or huge displacement) is when you should perhaps start out with a modest amount of tire/wheel stagger.


Norm

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