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Old 03-20-2021, 11:47 AM   #26
Norm Peterson
Scooby Specialist
Member#: 498642
Join Date: Mar 2019
Chapter/Region: Tri-State
Location: our wrx IS the family sedan
'19 WRX Ltd 6M dgm
'08 Mustang GT (the toy)


Originally Posted by subydude View Post
While I understand it's outside the mandated recommended wheel size (that doesn't take into account tires outside the stamped sizes), the point is people also run the Yokohama A052, BFG Rival, etc on wheels wider than guidelines and have excellent results. I get how tire widths work too, and have run 205's on 9's on track (as in actual time trial) with very good results.
At some point, it's time to move up to a little more tire. Yeah, I get it if you're running in a class that limits tire size (either directly or indirectly) but leaves wheel width 'open'.

As this is posted in the motorsports forum I find it amusing people with no experience seem to want to poo poo setups. In the regular wheel and tire forum? Sure, flame away.
No flame, more like a caution that that much stretch probably isn't going to be right for everybody. Actually, I've got a bit of autocrossing in my background and am an intermediate-level HPDE driver who has been placed in advanced/instructor run groups a few times.

Flip side is I run 335's on 12's on the autox car because Hoosiers don't mind less support. 200tw tires tend to want more support or a slight stretch. If you look at bigger factory wheel sizes and OEM stuff you'll see the same slight stretch because that's where the tire gives the best performance.
I'm honestly surprised that you'd ever go with a min-recommended wheel width.

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