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08-11-2013, 02:44 PM | #3076 |
Scooby Newbie
Member#: 326923
Join Date: Jul 2012
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Is functional ducting legal?? My AEM CAI filter element is directly behind the passenger fog light. I'll get nice airflow from just having an ugly hole where the removed light is but I would prefer something that looks nicer. Thanks.
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08-11-2013, 10:24 PM | #3077 |
Scooby Specialist
Member#: 55936
Join Date: Feb 2004
Chapter/Region:
MWSOC
Location: Columbus, OH
Vehicle:04 WRX STi PSM |
The rules state that you can remove the fog lights and that you can use any intake up to the compressor inlet (or throttle body if you don't have a turbo/supercharger). As long as you don't modify the hole in the OEM cover (or OEM holes in anything else), I can't see where this could even be misconstrued as illegal.
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08-12-2013, 10:24 PM | #3078 | |
Scooby Newbie
Member#: 145072
Join Date: Apr 2007
Chapter/Region:
MWSOC
Location: Schaumburg, IL
Vehicle:2015 CS FRS Black |
Quote:
---- Setup assistance request. Any/all advisement would be much appreciated. Current Setup: 05 STi 1. Stock - JR Tuned @ P&L Motorsports (Currently ASP/Street Tune) 2. P&L Motorsports Street Series TBE (soon to be catted) 3. Stock (Soon to be used KWv3s) / WL Camber Bolts / WL 24mm F on Soft and WL 22mm R on Medium 4. -2.f F, -2 R 5. 225x45x17 Star Specs 6. Hawk HPS/DBA 4000 swipe slot with P&L SS lines & ATE Super Blue Cat and Re-Tune for STU are coming soon, but in my local club I run ASP because some of the cars that run in STU seem like they shouldn't be. The V3s on are the OTS springs, and I was wondering if anyone is aware of the rates. My search yielded vague results leading me to believe 500/450, but I would like some confirmation. If they are on the stock springs, what should I set my bars to start off? AFAIK soft springs stiff bars, but again, would love some confirmation. I'm pretty sure I should also get new top hats... Does this sound like a reasonable setup RCE, Vorshlag, or Ground Control is what I'm assuming I should put in the front and Group N in the rear? |
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08-13-2013, 12:27 AM | #3079 |
Scooby Specialist
Member#: 203474
Join Date: Feb 2009
Chapter/Region:
MWSOC
Location: Germantown, WI
Vehicle:2005 STU STi #46 PSM |
A few years ago when I was looking to run stu a 9" wheel was the money wheel for stu. Is this still the case or has it moved up to a 9.5 because of the new tires running a bit wider?
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08-13-2013, 09:02 AM | #3080 |
Scooby Specialist
Member#: 295724
Join Date: Sep 2011
Chapter/Region:
MWSOC
Location: NW Ohio
Vehicle:2022 WRX WRB |
The evo's locally all seem to be on 9.5" wheels and rivals lately. Not sure if that answers the 9" v 9.5" question though.
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08-13-2013, 09:08 AM | #3081 |
Scooby Newbie
Member#: 234424
Join Date: Jan 2010
Location: Mid-Ohio
Vehicle:2006 Evolution RS Red |
I have ran both, noticable difference, mostly in the stretch/bind of the sidewall. But if you can get a GOOD (light) set of 9s, that will not be the reason you win or lose... if budget isn't a concern, I'd go with 9.5s, just a smaller market for them compared to 9s.
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08-13-2013, 09:59 AM | #3082 |
Scooby Specialist
Member#: 55936
Join Date: Feb 2004
Chapter/Region:
MWSOC
Location: Columbus, OH
Vehicle:04 WRX STi PSM |
I have both, and I don't see myself losing anything on the 9's, but the 9.5's look more bitchin'
I have also run 8.5's before, and those seemed to need higher pressures and likely don't lay down as much of the treadface, and 8's were ridiculous by comparison. |
08-13-2013, 10:18 AM | #3083 |
Scooby Specialist
Member#: 192173
Join Date: Oct 2008
Location: Maryland
Vehicle:2006 STU prepped STi Sponsored by Agile Auto |
I think tires like the RS3 and Rivals like to be stretched a little bit to work well on our cars. Due to the soft sidewall, the stretch provides better responsiveness and better use of the full tread. At least that's my thought/opinion.
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08-13-2013, 11:36 AM | #3084 |
Scooby Newbie
Member#: 232412
Join Date: Dec 2009
Location: Louisiana
Vehicle:2005 Impreza WRX STI Matte Black |
Would it be possible to be STU legal with a stock boost map even if you are on larger injectors and fuel pump?
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08-13-2013, 11:55 AM | #3085 |
Scooby Specialist
Member#: 55936
Join Date: Feb 2004
Chapter/Region:
MWSOC
Location: Columbus, OH
Vehicle:04 WRX STi PSM |
Nope. There is no provision for replacing the injectors or pump in ST*.
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08-13-2013, 12:20 PM | #3086 |
Scooby Newbie
Member#: 232412
Join Date: Dec 2009
Location: Louisiana
Vehicle:2005 Impreza WRX STI Matte Black |
Stuck in SM class, first world problems.
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08-13-2013, 02:42 PM | #3087 | |
Scooby Specialist
Member#: 203474
Join Date: Feb 2009
Chapter/Region:
MWSOC
Location: Germantown, WI
Vehicle:2005 STU STi #46 PSM |
Quote:
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08-13-2013, 03:23 PM | #3088 |
Scooby Newbie
Member#: 234424
Join Date: Jan 2010
Location: Mid-Ohio
Vehicle:2006 Evolution RS Red |
Sounds like a no brainer with that knowledge gix.
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08-13-2013, 06:28 PM | #3089 |
Scooby Specialist
Member#: 203474
Join Date: Feb 2009
Chapter/Region:
MWSOC
Location: Germantown, WI
Vehicle:2005 STU STi #46 PSM |
Wasn't 100% sure If the added width would affect grip.
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08-18-2013, 01:24 PM | #3090 |
Scooby Specialist
Member#: 220095
Join Date: Aug 2009
Chapter/Region:
SWIC
Location: Arizona
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It was my WRX's first autocross, landed in STU due to my wheels, the other STU guys there killed me ha but I had so much fun, looking to get a set of 17" Rpf1s next year with some ZIIs and Feal coilovers.
Just one picture for now, got some editing to do. IMG_9079 by Mjbrownell02, on Flickr |
08-19-2013, 11:34 AM | #3091 |
Scooby Specialist
Member#: 220095
Join Date: Aug 2009
Chapter/Region:
SWIC
Location: Arizona
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08-19-2013, 02:56 PM | #3092 |
Scooby Specialist
Member#: 197920
Join Date: Dec 2008
Chapter/Region:
MWSOC
Location: Indiana
Vehicle:2005 Legacy GT ABP |
Lol you did get toasted didn't you?
Austin and Myke are tough. I wanted to hang with my little girl this weekend or I would've been up driving Austin's and hoping to beat those guys. |
08-19-2013, 03:59 PM | #3093 | |
Scooby Guru
Member#: 45323
Join Date: Oct 2003
Chapter/Region:
MWSOC
Location: Iowa
Vehicle:MY05 Impreza WRX STi Pastelito Racing & SFSOC |
Quote:
one reason 9.5"s are more common in the Subaru world. RPF1 all the things. |
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08-20-2013, 02:32 PM | #3094 |
Scooby Specialist
Member#: 203474
Join Date: Feb 2009
Chapter/Region:
MWSOC
Location: Germantown, WI
Vehicle:2005 STU STi #46 PSM |
Well yea. Lol I have 3 sets of RPF-1s an autox setup, dry road course setup, and wet road course setup. This is all a mute point as I'm going to a brz here in the coming weeks though.
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08-21-2013, 03:55 PM | #3095 |
Scooby Newbie
Member#: 237243
Join Date: Feb 2010
Location: VA
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I have recently been messing with springs and a rear sway bar to waken up the rear end. The results were great this past weekend at the Virginia Autocross Championships but looking at the pictures afterwards I'm getting some rear lift. The car felt great so is this anything to be concerned about? Would I get performance gains by correcting this?
Video of my best run each day. Day 2 was very wet! |
08-21-2013, 04:03 PM | #3096 |
Scooby Newbie
Member#: 232412
Join Date: Dec 2009
Location: Louisiana
Vehicle:2005 Impreza WRX STI Matte Black |
Lifting the rear is hard on the diff (if using power), you are getting less traction and less forward movement. Running a stiff front bar and stock rear sway has really helped the car get rid of dogleg.
http://www.iwsti.com/forums/gd-suspe...autocross.html |
08-21-2013, 04:32 PM | #3097 |
Scooby Newbie
Member#: 172670
Join Date: Feb 2008
Chapter/Region:
South East
Location: RTP, NC
Vehicle:2011 STI 5-door |
More spring and less rear bar.
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08-21-2013, 05:02 PM | #3098 |
Scooby Specialist
Member#: 799
Join Date: Jan 2000
Chapter/Region:
NWIC
Location: Seattle, WA
Vehicle:2000 2.5 RS Coupe Mitsubishi EVO IX |
performance-wise a little lift is (IMHO) where you want it, as long as it drops back down immediately after adding throttle. But yeah, rummor has it your diff will start to hate you after a couple of years.
Stiffening the front will reduce rear lift but it will/could also remove some of the "livelyness" you're now enjoying... it's a balancing act of course and I'd personally err on the side of "livelyness" and deal w/ a little lift |
08-21-2013, 09:50 PM | #3099 |
Scooby Specialist
Member#: 197920
Join Date: Dec 2008
Chapter/Region:
MWSOC
Location: Indiana
Vehicle:2005 Legacy GT ABP |
We went from a 25mm on middle setting to a Whiteline 22mm on soft. Essentially the same as the stock STi bar. We also increased rebound and that combo helped getting that inside rear back down.
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08-22-2013, 11:48 AM | #3100 |
Scooby Newbie
Member#: 237243
Join Date: Feb 2010
Location: VA
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Thanks a lot fellas and that link SolidSTI posted has some great insight.
Right now I have Perrin 25mm on medium w/ Whiteline brace support in the rear and stock front bar. This was obviously not how I wanted to leave things but only a start to my suspension tuning as I was hoping a few pieces at a time might give me a better result instead of doing everything at once and not knowing what the hell is doing what. From your suggestions it looks like the next step will be adding a front ~24mm bar w/ end links to help reduce front dive a bit and setting my rear 25mm to soft. Also please keep in mind, I plan to use my car for HPDE's at VIR, Summit Point, etc. so I also don't want to make my setup too autocross specific. Meaning I don't want things too twitchy for high speed cornering. |
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