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Old 03-07-2013, 02:31 PM   #1
Scooby Guru
Member#: 134005
Join Date: Dec 2006
Chapter/Region: MAIC
Location: Pittsburgh, PA
2004 WRX Premium

Default STX '04 WRX Tips

Hey guys, I'm looking for a few tips on increasing my autocross times this year. I started 2 years ago by going to 1, then did about 6 last year. I felt better behind the wheel, but as was transitioning from a '98 OBS (AGX struts/GF210 springs, adj rear sway, RS wheels with 205 Hankook v12's and stut bars, with a catback) to a stage 2 '04 WRX, same adj swaybar on the highest setting and same tires.

Besides getting some more seat time and attending a class with an instructor in April, what mods can I do that might give me an edge in my class?

Cobb Turboback + OTS 91 oct tune
20mm adj swaybar set on 22mm equivalent
Hankook v12 205/55/16 on 2000 RS wheels (probably my biggest issue)
Grimmspeed MCB
Stock brakes currently, but upgrading to Stop-tech pads and blanks in the spring
Stock struts/springs.. with good life left in them
Tire pressure usually 50/43 depending on the course or day... to combat the soft sidewalls

... and the catch.... 4EAT!

I'm usually a good second or two behind most in the class, but I feel this is because I don't launch the car and don't plan on it. Mostly I'm having fun and trying to beat my own times. Any help would be appreciated.
cmiovino is offline   Reply With Quote
Old 03-07-2013, 04:29 PM   #2
Scooby Specialist
Member#: 152510
Join Date: Jun 2007

Your off-the-shelf tune is illegal for STX.
SpeedTheory is offline   Reply With Quote
Old 03-08-2013, 10:54 PM   #3
Scooby Newbie
Member#: 193289
Join Date: Nov 2008
Chapter/Region: MWSOC
Location: Appleton WI.
2003 Impreza WRX
MBP Stage 2


Did u mean MBC? because that is ilegal for stx as well, cobb does have a stx ots map u could run.

i would recommend improvements in this order,

#1 Tires, ( star spec, rs3, rival or equivolent) #2 Wheels 17x8 as light as possible ( cheap alternative check drag wheels on discount tire 17x8's <$500) #3 Alignment at least 2.5 degrees of negative camber in front (doable with $20 camber bolts or plates if you go to coil overs) slight bit of toe out all the way around. #4 coilovers ( ground control sleaves with koni sports works great cheap, or megan or bc's work cheap as well but ride worse) Spring rates look for 400-600 in front and 500-700 in back, rates depend on your prefernce what your looking for in the car. #5 brake pads hawk hps/hp+ work great cheap rotors r fine, #6 power adders and weight reduction wherever possible.

Hope this helps!
StXReX117 is offline   Reply With Quote
Old 03-09-2013, 12:05 PM   #4
Scooby Specialist
Member#: 65699
Join Date: Jul 2004
Chapter/Region: MWSOC
Location: S.S. Chicago
15 WRX
WR Blue


tuskenraider is offline   Reply With Quote
Old 03-10-2013, 11:44 AM   #5
Mr. Me
Scooby Specialist
Member#: 193598
Join Date: Nov 2008
Chapter/Region: NWIC
Location: Bellingham, WA
2002 Bugeye Wagon


I think he meant brake master cylinder brace. Which is also illegal. I ran v12's last year and the year before. They leave a lot to be desired at an autox. A stiffer front sway will also make a lot if difference. And definitely check out the stx autox setup thread posted above me ^^^^^
Mr. Me is offline   Reply With Quote

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