STX Rules and Setup Questions - Page 30 - Toyota GR86, 86, FR-S and Subaru BRZ Forum & Owners Community

Areddi · 07-22-2013, 08:24 AM

Okay here is a rule question: USDM Fog Lights which are now available. STX legal? Are they considered C&C? Safety? Or do they count as being from a dealer catalog?

UncleFester · 07-22-2013, 08:35 AM

Quote:

Originally Posted by Areddi

Okay here is a rule question: USDM Fog Lights which are now available. STX legal? Are they considered C&C? Safety? Or do they count as being from a dealer catalog?

They are from the Catalog, not the TRD (performance) catalog, so I think you're fine.

Plus, I doubt anyone could argue that fog lights gave you a performance advantage.

Draco-REX · 07-22-2013, 10:16 AM

Out of curiosity, would a lightweight flywheel and CF driveshaft be STX legal?

I'm going to end up in one of the Street mod classes eventually with the blower, but in the interim I wanted to try out a lightweight driveline.

celica73 · 07-22-2013, 10:42 AM

Quote:

Originally Posted by Draco-REX

Out of curiosity, would a lightweight flywheel and CF driveshaft be STX legal?

I'm going to end up in one of the Street mod classes eventually with the blower, but in the interim I wanted to try out a lightweight driveline.

no and no. Not sure if the driveshaft is even SP legal.

Sccabrz192 · 07-22-2013, 10:47 AM

Quote:

Originally Posted by celica73

no and no. Not sure if the driveshaft is even SP legal.

It's not.

Draco-REX · 07-22-2013, 11:19 AM

Ah well. Wasn't building this for competition anyways.

Robbie · 07-22-2013, 11:41 AM

Quote:

Originally Posted by Areddi

Okay here is a rule question: USDM Fog Lights which are now available. STX legal? Are they considered C&C? Safety? Or do they count as being from a dealer catalog?

You could definitely use them under C&C.

NYR Solo · 07-22-2013, 12:02 PM

They are a manufacturer option so they are even Stock legal.

forwallblakmail · 07-23-2013, 12:26 AM

Quote:

Originally Posted by dwx

I submitted a letter to create an allowance for oil coolers and radiators in ST, so write in support of it if they publish it.

The radiator rule would follow the SP one, you have to have one which weighs as much and has the same capacity as the stock one. Which isn't hard in our car, the radiator is smaller than most AC condensors.

I submitted a letter as well regarding oil coolers a few months ago. Hopefully they will change the rule. It offers no benefit other than engine longevity.

I frequently run time trials as well as autocross STX.

Stevo22 · 08-02-2013, 10:46 AM

Quote:

Originally Posted by dwx

I submitted a letter to create an allowance for oil coolers and radiators in ST, so write in support of it if they publish it.

The radiator rule would follow the SP one, you have to have one which weighs as much and has the same capacity as the stock one. Which isn't hard in our car, the radiator is smaller than most AC condensors.

What is the status of your letter?

Ingen · 08-02-2013, 12:40 PM

So I'm autocrossing on the OEM Bridgestone all-season tires right now, until the stars align and I can afford wheels and tires. I am pretty new to autocross and suspension setups in general,so for now I've just gone at this with totally stock setup. However, I'm getting some wear on the outside edge of my front tire tread, which I know is b/c the tread is rolling over somewhat and my terrible driving is causing this segment to rub against the ground.

I want to avoid that (no crap, really? :P ) so I am looking at getting an alignment done with camber bolts. My question for you guys is, how far should I go with the camber to maintain daily-driver status (i.e. not waste my tires in 5000 miles on camber wear) while still protecting the tire from the wear I have been experiencing? Ideally, this adjustment will remain legal for STX, and if it doesn't I might just supercharge the damn car

SubiePig · 08-02-2013, 01:00 PM

Quote:

Originally Posted by Ingen

I want to avoid that (no crap, really? :P ) so I am looking at getting an alignment done with camber bolts. My question for you guys is, how far should I go with the camber to maintain daily-driver status (i.e. not waste my tires in 5000 miles on camber wear) while still protecting the tire from the wear I have been experiencing? Ideally, this adjustment will remain legal for STX, and if it doesn't I might just supercharge the damn car

What kind of tire pressure are you running? Street tires like those I will normally fill to about 40 PSI and work my way down. I don't think that the crash bolts add a large amount of camber, under 2 degrees for sure. Max them out and run 0 toe in the front and 1/32 toe in at the back. Next event with that setup start at the high pressure and work down till you find a balance and tire roll that is right.

I have ran about 2 degrees in my WRX on 380 tread wears for about 25k miles with a bit of toe out in the front too. Depends alot on the surface your region runs on as well with tire wear.

jprice130 · 08-02-2013, 01:05 PM

Quote:

Originally Posted by Ingen

So I'm autocrossing on the OEM Bridgestone all-season tires right now, until the stars align and I can afford wheels and tires. I am pretty new to autocross and suspension setups in general,so for now I've just gone at this with totally stock setup. However, I'm getting some wear on the outside edge of my front tire tread, which I know is b/c the tread is rolling over somewhat and my terrible driving is causing this segment to rub against the ground.

I want to avoid that (no crap, really? :P ) so I am looking at getting an alignment done with camber bolts. My question for you guys is, how far should I go with the camber to maintain daily-driver status (i.e. not waste my tires in 5000 miles on camber wear) while still protecting the tire from the wear I have been experiencing? Ideally, this adjustment will remain legal for STX, and if it doesn't I might just supercharge the damn car

Camber bolts are definitely STX legal and should give you somewhere between -1 and -1.5 degrees of negative camber in the front. Go ahead and max out what the camber bolts will give you. Even at -1.5 it won't produce a ton of camber wear for daily driving. I've been daily driving/autocrossing with front camber bolts for over a year and the majority of my tire wear is still on the outside edge of the tire.

SubiePig's advice on tire pressure is very good and should also help with easing the amount of wear the outside edge of your tires get.

Turbo Den · 08-24-2013, 02:35 PM

Question: with a change to 4.7 final drive, which scca class would a FRS goes to? SM?

07-22-2013, 08:24 AM	#407
Areddi Senior Member Join Date: Aug 2012 Drives: Firestorm FR-S Location: Columbia, MD Posts: 573 Thanks: 83 Thanked 190 Times in 133 Posts Mentioned: 19 Post(s) Tagged: 1 Thread(s)	Okay here is a rule question: USDM Fog Lights which are now available. STX legal? Are they considered C&C? Safety? Or do they count as being from a dealer catalog? __________________ Check out my YouTube channel with Autocross videos: http://www.youtube.com/user/MrAreddi

08-02-2013, 12:40 PM	#417
Ingen Senior Member Join Date: Oct 2012 Drives: Ultramarine FR-S 6MT Location: Columbus, OH Posts: 525 Thanks: 349 Thanked 204 Times in 121 Posts Mentioned: 2 Post(s) Tagged: 0 Thread(s)	So I'm autocrossing on the OEM Bridgestone all-season tires right now, until the stars align and I can afford wheels and tires. I am pretty new to autocross and suspension setups in general,so for now I've just gone at this with totally stock setup. However, I'm getting some wear on the outside edge of my front tire tread, which I know is b/c the tread is rolling over somewhat and my terrible driving is causing this segment to rub against the ground. I want to avoid that (no crap, really? :P ) so I am looking at getting an alignment done with camber bolts. My question for you guys is, how far should I go with the camber to maintain daily-driver status (i.e. not waste my tires in 5000 miles on camber wear) while still protecting the tire from the wear I have been experiencing? Ideally, this adjustment will remain legal for STX, and if it doesn't I might just supercharge the damn car __________________ Car Received: 10/18. Break in ended: 10/28 Goal: Openflash UEL headers, Stage II 93 oct, TRD intake, arm rest :P

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07-22-2013, 10:16 AM	#409
Draco-REX Corner Junkie Join Date: Feb 2012 Drives: 13 BRZ, 11 STI, 99 RS Location: Ohio Posts: 2,908 Thanks: 129 Thanked 1,521 Times in 702 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	Out of curiosity, would a lightweight flywheel and CF driveshaft be STX legal? I'm going to end up in one of the Street mod classes eventually with the blower, but in the interim I wanted to try out a lightweight driveline.

07-22-2013, 11:19 AM	#412
Draco-REX Corner Junkie Join Date: Feb 2012 Drives: 13 BRZ, 11 STI, 99 RS Location: Ohio Posts: 2,908 Thanks: 129 Thanked 1,521 Times in 702 Posts Mentioned: 11 Post(s) Tagged: 0 Thread(s)	Ah well. Wasn't building this for competition anyways.

07-22-2013, 12:02 PM	#414
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08-24-2013, 02:35 PM	#420
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