Square Setup???

GSS138

For street use I can not see the point in running square setup unless there is something purely aesthetic you want to do.

And yes when you run 275 on all 4 or any other width on all 4 it is a square setup.

Tires of the same make and size will not crown anymore or less with same PSI unless there is a defect in one of them.

Performance wise, it will increase steering capacity and lateral load capabilities, but depending on a lot of things it can cause aero drag and is not ideal for drag racing either because it increases weight.

What are you trying to do w a square setup? Drag, road racing, just looks/street setup?

Drag, don't do it.
Road racing, ideal to some, but you sacrifice some things for the extra grip.
Street/looks. Nope waste of money unless there is something you find personally appealing about it.

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Current Mods: Vorpal Weapon +5.

Rangerz

I'm trying to get better handling without breaking the bank for NASA track days (primarily) autox (Secondary). The plan for mods next year is to:

1. Get the Tune done
2. 34 row Oil Cooler
3. SPL upper control arm
4. New set of tires when the stockers are gone ( Still running Yoko Advans)

The tire purchase would be a need to do anyway and I was looking for better performance mainly on turn in like other have talked about. The auto x is just a fun thing not concerned in the least about which class etc... from my small exposure this year to out SCCA group they were pretty disorganized and I really prefer the track to auto x when it comes down to it.

The square setup question was based off of what I had read and wondering if (with stock Nismo rims 9.5 and 10.5) going with 35's on all fours would be a good route to take. Looking at RE-11's, RS3's and DirezaII

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Stillen Gen III/ NST/ Fast Intentions Non-Res HFC & 12" Resonated CF TDX/ Setreb series 9 OC/ SPL upper control arms/ Whiteline front & rear swaybars/ Uprev tuned by Seb@specialtyZ/ 319HP 262TQ/ Z1 PS Cooler/ Z1 SS Premium break lines/ CJM Road Race pump/Carbotech F:XP10 R:XP8 Nismo OC DIY