billla

Doing some thinking and planning for next year, including investing in some track wheels once I think the tires are the limiting factor

At a recent non-SCCA autox, I saw C5 Z06's running the same wheel front and rear...and I right in thinking that this isn't allowed in SS?

13.4 WHEELS
Any type wheel may be used provided it complies with the following:
it is the same width and diameter as standard

Thanks!

Dave OH32

That's correct. You have to run 17x9.5 in the front and 18x10.5 in the rear for a C5Z to be legal for SS.

tmak26b

probably cheating

billla

That's a big word I wasn't using It was a NON-SCCA race; I was just asking a general question

tmak26b

Creative accounting or interpertation?

thehammer69

Plus the offset can't deviate more than +/- .25" from OEM. This includes the width of wheels spacers if used.

Here's another thing...when you go to an Autocross and see something that does not look legal, you have the right to protest if you are running in that same class. However, you will find that on a regional level, most people don't protest stuff and therefore people will sometimes take advantage of this. And another thing to consider...try not to become a "weenie protester". It's one thing to protest an obvious performance enhancer...but if you are protesting somebody because of something stupid such as a cosmetic mod or something else non-performance helping, you may find yourself unpopular amongst your peers...

billla

In this particular case it was just a local club. Definitely aware of the protest mechanism and proper application.

The focus of the question wasn't at all a "hey - they're cheating" but just a check to see if I was missing something. The SCCA rules can be a little convoluted sometimes - or at least seem so to me

Moving up from an MGB that was at best middle of the local DSP pack 10 years ago to an SS Corvette means that I don't expect to be anywhere near anyone that's winning. I just want to be sure that I'm 100% legal.

froggy47

The basic rule of thumb for SCCA stock classes is, if the rule book does not specifically say you CAN do it, then you can't. You will have a blast with the Z in SS, great car, beware of Loti & GT3's though.

Just put an alignment on it & A6's.

TedDBere

Yummmm...taste like chicken...

...unless, of course, they are driven by guys with names like Ian, Gary, Pat or Matthew, then they taste like steak (so I'm told)!!

R Mackow

Like Froggy sez: SS will allow only stock wheel sizes, but use any sized rubber you can fit on those wheels. If the AX was an NCCC event then the driver was in 2-J(or II-J).
Also, SS requires OEM brake lines. SS brake lines bump you into ASP.
With a stock C5 I run ASP/2-H due to 17" ZR-1 wheels all around and 295frt and 315rear on ZR-1. I make the trophy bracket but like nipping at the heals of the Z06s on stickies.