Wheel sizes in F Street

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Dmitry Vakhlis
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Joined: Thu May 15, 2008 11:26 am

Wheel sizes in F Street

Postby Dmitry Vakhlis » Tue Mar 21, 2017 6:21 pm

Hi everyone, I've got a G37S Sedan and I'm thinking about entering the F Street class. I've been reading the rules, and it seems that I'm limited to stock width of the wheels, however in the same class is also G37S Coupe, which has wider wheels from factory. My question is, if the wheels are factory wheels from Infiniti, and both cars are in the same class, how come I can't use the wider coupe wheels so that I can run more tire?

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Eric Clements
Solo Safety Steward
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Joined: Thu May 15, 2008 11:25 am
Club: No$
Car#: 30
Location: Pasadena

Re: Wheel sizes in F Street

Postby Eric Clements » Tue Mar 21, 2017 8:32 pm

The Solo rules are set up as a list of allowances. If it doesn't say you can, you can't. You're welcome to squeeze any size tire on your sedan wheel as you please.
If you move up to Street Prepared there is a rule allowing update/backdate between cars listed on the same line.

Dmitry Vakhlis
Posts: 3
Joined: Thu May 15, 2008 11:26 am

Re: Wheel sizes in F Street

Postby Dmitry Vakhlis » Wed Mar 22, 2017 7:52 am

Eric,

I was trying to avoid going to more expensive classes, but that's fine too. I guess I'm limited to stock sedan wheels, which is fine.

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Matt Ales
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Car#: 87

Re: Wheel sizes in F Street

Postby Matt Ales » Wed Mar 22, 2017 12:12 pm

The only loop hole to this is if the larger wheel size was offered as an option then you can run that size. For example, on my E46 M3 you had 2 options, 18x8F and 18x9R OR you could go big with the 19" and get 19x8F and 19x9.5R from the factory. As a result, within the rules of Street class, anyone with an E46 M3 can run 18x8 front and 18x9.5 rear.
#87 - 2006 BMW M3

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Kurt Rahn
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Car#: 88
Location: Pasadena

Re: Wheel sizes in F Street

Postby Kurt Rahn » Thu Mar 23, 2017 12:14 am

I started out with a G35 sedan. it was totally uncompetitive, but a lot of fun! Taught me a lot about throttle control. My advice, given my first experience, is spend year or so learning to drive what you're driving and don't spend an extra cent, other than tires. Then buy something that you can build to a given class and be competitive. Drive the crap out out of what you currently have, then figure out (talk to people in our group, (particularly those that drive what you're drawn toward) what you might want to do long term.
==============
Oversteer is better than understeer because you don't see the tree you're hitting.

Dmitry Vakhlis
Posts: 3
Joined: Thu May 15, 2008 11:26 am

Re: Wheel sizes in F Street

Postby Dmitry Vakhlis » Thu Mar 23, 2017 8:22 am

Honestly, I haven't been planning on getting into autox. I've done it a few times with other outfits mainly to tune my actual race car, and decided to try it in my recently purchased daily as well. Honestly, I've seen what FS is like in my region, and I might actually have a pretty solid chance against the cars here. I was 2 seconds adrift of fastest car in non PAX FS, and I was on 340tw tires. With the bigger front sway bar and good 200tw tires, I should be able to close that gap.

My other car is this
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