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Old 10-07-2009, 12:12 PM   #1
09rexwagon
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STX #66, 06 S2000 STR 180

Default Stage 1 puts you in SP or is STU ok?

Right now I'm trying to figure out if I can compete in STU with my stage 1 09 WRX (otherwise, I'll be in ESP). The verbage in some rules makes it seem that if you are not running stock boost, then you can't be in STU (or any other ST_ class) but then I see this in the SCCA solo rules for ST_:

"F. The engine management system parameters and operation may
be modified only via the methods listed below. Any and all
modifications must meet or exceed the applicable EPA tailpipe
emissions standards for the year, make, and model of the car.
These allowances also apply to forced induction cars, except that
no changes to standard boost levels, intercoolers, or boost
controls are permitted. Boost changes indirectly resulting from
allowed modifications are permissible, but directly altering or
modifying the boost or turbo controls, either mechanically or
electronically, is strictly prohibited.

1. Reprogrammed ECU (via hardware and/or software) may be
used in the standard housing
. Traction control parameters
may not be altered. Altered engine controllers may not alter
boost levels in forced induction engines."

The bold says that if you adhere to the italics, then you are ok. So an AP reflash should be ok in STU, however, I want to run this by more experience autocrossers. Seems a lot of people compete in STU with non stock boost levels.
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Old 10-07-2009, 12:19 PM   #2
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Default

Stage 1 is not legal for STU as it intentionally raises boost.

If you add a legal downpipe (catted) & exhaust and get a legal protune, you'll probably end up making more power than a Stage 1 anyway. Boost creep resulting from a legal mod (catted downpipe) is ok. From my understanding, you can even tailor the timing and fuel in your protune to account for this boost creep. You just cannot intentionally raise the boost levels in your tune.

At the local level anything is possible. However, in national competition, there's a lot more at stake if you bring an illegal car.
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Old 10-07-2009, 12:30 PM   #3
J-Rod 555
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with an 08/09 wouldn't we be in STX due to the 2.5l engine???
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Old 10-07-2009, 12:57 PM   #4
09rexwagon
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Quote:
Originally Posted by J-Rod 555 View Post
with an 08/09 wouldn't we be in STX due to the 2.5l engine???
It's a 2.5L Turbo, so that puts us in STU. An N/A 2.5L would be STX or a turbo 2.0L (bugeyes).
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Old 10-07-2009, 01:44 PM   #5
J-Rod 555
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good to know...
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Old 10-07-2009, 01:56 PM   #6
Caelaorn
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Technically I think you'd get thrown in to BSP, not ESP. There was a lively discussion about this, and the new body style wrx's got moved into BSP.

I believe only 02-07 are in ESP now.
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Old 10-07-2009, 02:08 PM   #7
09rexwagon
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Quote:
Originally Posted by Caelaorn View Post
Technically I think you'd get thrown in to BSP, not ESP. There was a lively discussion about this, and the new body style wrx's got moved into BSP.

I believe only 02-07 are in ESP now.
Interesting, any links on this? I can see maybe the 09 going to DSP (08 staying in ESP), but BSP that's a BIG jump.
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Old 10-07-2009, 02:21 PM   #8
Caelaorn
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Looks like i may have misread, I can only find reference to it being out for member comment in the fast tracks(http://www.scca.com/documents/Fastra...ack-july.pdf):

STREET PREPARED
- In conjunction with the related Tech Bulletins (#10 and #11) in the June 2008 Fastrack, the following correction to the previously-
published class listing change regarding the Subaru WRX is submitted for member comment:
- Move the Subaru non-Sti WRX (’08-’09) from ESP to BSP onto the same line as the ’08-’09 WRX STi and the ’09 Impreza GT.
(ref. 09-093, 09-125)

Internet fight about it: http://sccaforums.com/forums/thread/340803.aspx
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Old 10-09-2009, 08:54 AM   #9
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if thats all you have for mods, if you have a AP I would detune before the race and run DS.
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Old 10-09-2009, 09:15 AM   #10
09rexwagon
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Quote:
Originally Posted by dingakasteve View Post
if thats all you have for mods, if you have a AP I would detune before the race and run DS.
Short shifter ....however, someone told me that the very fact that you can get an SPT short shifter as a 'factory' installed option, that it opens up the possibility of an aftermarket SS in stock class.

And get this, I think the OEM boost level for the 09 WRX is supposed to be 14.X but there are some non flashed 09s out there that are getting as high as 15.7psi with 0 mods. So with that said, let's say I get a down pipe and get a protune and have them make me a couple maps, one being an OEM boost level map.....what would I tell them to set it at?
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Old 10-09-2009, 09:53 AM   #11
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Quote:
that it opens up the possibility of an aftermarket SS in stock class.
No. Only the one installed as a port-installed option. Not aftermarket.
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Old 10-09-2009, 10:16 AM   #12
09rexwagon
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Quote:
Originally Posted by KC View Post
No. Only the one installed as a port-installed option. Not aftermarket.
Wow, how ironic that a short shifter bumps you out of stock class and yet you generally shift once or maybe twice during a given solo run. Anyway, I don't plan on doing DS anyway.
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Old 10-09-2009, 11:04 AM   #13
J-Rod 555
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Quote:
Originally Posted by 09rexwagon View Post
Wow, how ironic that a short shifter bumps you out of stock class and yet you generally shift once or maybe twice during a given solo run. Anyway, I don't plan on doing DS anyway.

WTF are you kidding...I have been running dstock all year with a short shifter, but my shifter is modified slightly lol. It is right near the steering wheel.
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Old 10-09-2009, 12:20 PM   #14
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If you're using an AccessPort and running STU, use the Stage 1 base flash and when you get to the autocross use the Realtime flash to go back to stock. This will return you to the stock boost map while keeping the better throttle mapping.

Quote:
Originally Posted by 09rexwagon View Post
Wow, how ironic that a short shifter bumps you out of stock class and yet you generally shift once or maybe twice during a given solo run. Anyway, I don't plan on doing DS anyway.
What's ironic is that no matter how much you shift, a "short shifter" doesn't make you any faster.

J-Rod's got the right idea for improving a shifter.. but is very much illegal for a stock class.

Quote:
Originally Posted by J-Rod 555 View Post
WTF are you kidding...I have been running dstock all year with a short shifter,
How is it you've been running all year and couldn't be bothered to read the rules just once? You can download them for free: here.
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Old 10-09-2009, 01:03 PM   #15
GrantC
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Quote:
Originally Posted by Beaverboy View Post
If you're using an AccessPort and running STU, use the Stage 1 base flash and when you get to the autocross use the Realtime flash to go back to stock. This will return you to the stock boost map while keeping the better throttle mapping.

That should be "legal enough" for local stuff...

But I thought things like WGDC were in the base map, so your car would still not be STU legal.
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Old 10-09-2009, 10:47 PM   #16
steveRS
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Quote:
Originally Posted by 09rexwagon View Post
Short shifter ....however, someone told me that the very fact that you can get an SPT short shifter as a 'factory' installed option, that it opens up the possibility of an aftermarket SS in stock class.

And get this, I think the OEM boost level for the 09 WRX is supposed to be 14.X but there are some non flashed 09s out there that are getting as high as 15.7psi with 0 mods. So with that said, let's say I get a down pipe and get a protune and have them make me a couple maps, one being an OEM boost level map.....what would I tell them to set it at?
I would talk to your tuner first and mention you need an SCCA STU legal tune. If one doesn't know what that is, go find someone who does.
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Old 10-09-2009, 10:49 PM   #17
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Quote:
Originally Posted by Beaverboy View Post
If you're using an AccessPort and running STU, use the Stage 1 base flash and when you get to the autocross use the Realtime flash to go back to stock. This will return you to the stock boost map while keeping the better throttle mapping.
You realize that is actually illegal to do.
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Old 10-10-2009, 08:02 AM   #18
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Quote:
Originally Posted by steveRS View Post
You realize that is actually illegal to do.
Obviously I didn't realize that. Is that because of the WGDC?
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Old 10-10-2009, 04:47 PM   #19
tuskenraider
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STU map has to be a base map, then have a real time street map allowing boost mod.
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