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1 Replies and 2496 Views STS 90 Civic Si Radio Delete  2496  1 Started by  Cagare I have recently built a 90 Civic Si to STS class. Currently we have a few last motor items to do like a high flow cat, and a lightweight pulley. We are currently trying to do a weight reduction program and we are targeting the stereo and speakers. Can anyone comment to me on the legality of removing the stereo and speakers from the car. I know this was an option from the factory back in 90 when the car was purchased but I was not sure if we could remove it from a car that already has one. ...
1 2496
by  ronJump to last post
07 Jun 2015 07:46 PM
34 Replies and 13738 Views SMF minimum weights raised by 200lbs for 2013!?  13738  34 Started by  Black R
(Topic has multiple pages1 2 )
1850lbs 125lbs/L for a 2-seater! 1750lbs 125lbs/L for a 4-seater! 1L addition for forced induction. Now which of you wrote letters to the SEB asking for MORE weight Please help me to understand the rationale behind this.
34 13738
by  tomsn16Jump to last post
17 Apr 2015 03:43 PM
1 Replies and 3353 Views 2015 F80/82 M3/4 Classing  3353  1 Started by  minskcity Does anybody know if the new M3/M4 eligible for STU It seems to be meeting the 'under 3.1L force-induction', but is it 'non-sports-car based'
1 3353
by  drdisqueJump to last post
10 Apr 2015 11:34 AM
1 Replies and 2948 Views Help with choosing a class  2948  1 Started by  JakeG8V8 2009 Pontiac G8 GT 6.0 V8 6AT ( :( ) stock ;) not Koni Suspension with H&R springs Whiteline strut mounts second gen CTS V Wheels with Michelin Pilot Super Sport tires F 255/40/19 and R 285/35/19 Stock brakes with more aggressive pads and plain rotors Solo Performance Catback stock cats stock headers stock tune Roto Fab Cold Air intake its my first post here i hope i did it in a right place im looking for pointers and advice is appreciated ! im looking to have some fun meet new pe...
1 2948
by  drdisqueJump to last post
10 Apr 2015 11:29 AM
2 Replies and 3241 Views '02 Impreza in STS?  3241  2 Started by  RedGT Is there a history to why the '02-'04 Impreza 2.5 (nonturbo) is not classed in ST* I would have thought it to be marginally (or maybe a lot) slower than the '98-'01 generation 2.5RS, which is classed in STC, now STS, and therefore no harm in throwing it in there. Am I overlooking some reason the '02 was expected to be too fast for the same class, or was it just overshadowed by the WRX from that generation on and no one ever asked for an ST classing
2 3241
by  drdisqueJump to last post
09 Apr 2015 09:05 PM
6 Replies and 4078 Views Question regarding STX WRX (2015)  4078  6 Started by  dotslashapex Hi everyone, Long time autocrosser in San Diego running a STX Prepped E36 325i Sedan. As the e36 is aging pretty rapidly, I figured, I'd pick up a class ready car from the factory, so I picked up a 2015 Subaru WRX which will EVENTUALLY be a STX backup car. Since in STX you can't raise the boost pressure (I think this is true for any ST car with a turbo), what potential tuning source could be used The ever popular one is the Cobb V3, but I don't want potential rumors filling the paddock...
6 4078
by  SIMMONS-RACINGJump to last post
06 Apr 2015 09:58 PM
6 Replies and 4848 Views Help -- BFG Rivals on 7 wide wheels  4848  6 Started by  VettesRule What tire pressure should I run in my STR Miata.  15x7 RFP1 wheels, 700 front and 450 rear springs, Fat Cat non adjustable shocks.  Stock weight and ride height with lots of negative camber.   Thanks in advance!   Danny
6 4848
by  OZMDDJump to last post
25 Mar 2015 02:36 PM
10 Replies and 3886 Views Clarification on strut bar mounting rules in STX  3886  10 Started by  ChristianNJ Hi, I am looking for some clarification on the strut bar rules in street touring. There are some strut bars available for the Golf V, which would need a minor cut out on the upper firewall to be properly mounted. In the rules below it says 'This does not permit any modifica-tions to the frame or unibody beyond the allowed mounting holes.' Does 'mounting holes' just refer to holes for mounting bolts or also for holes for strut bar clearance There is pretty much no way in installing a strut bar ...
10 3886
by  OZMDDJump to last post
25 Mar 2015 02:33 PM
9 Replies and 3915 Views Tire size advice- STS Integra  3915  9 Started by  DeltaV I'm currently embarking on a project to build a 98 Integra RS for STS. I'm stuck between two tire sizes: 205/50/15 and 225/45/16, both on a 7.5in wheel. The way I see it: 205/50/15: Shorter gearing, lighter, come to temperature quicker, cheaper. Not as many tire choices, larger sidewall, risk of overheating with the heavier car. 225/45/16: More tire choices, more tire for the heavier car, shorter sidewall. Taller gearing, heavier, may take a few runs to come to temp, more expensive...
9 3915
by  DeltaVJump to last post
18 Feb 2015 11:09 AM
6 Replies and 4822 Views 2015 WRX Classing STX or STU?  4822  6 Started by  stevesnow I know that 2008-2014 WRX's are officially in STU... which puts them at a disadvantage obviously... I am wondering if the 2015 may be able to squeak in as an STX The STX class does have a 2.0L engine max rule that I think may allow the 2015 WRX sneak back into Although I have no slue what I am talking about lol. Could we get some official rulings here Or at least as many people's opinions as possible or back-up for said opinions Thanks!
6 4822
by  sjfehrJump to last post
17 Feb 2015 07:05 PM
13 Replies and 9274 Views How can I determine what Bilstein shock valving to use?  9274  13 Started by  SpeedingBolt     I have come to the conclusion that I want to get more durable shocks for my 96 STS miata since my old Advance Design shocks seem to need a rebuild every year.  I have decided that I want to use Bilstein's but to get FCM elites it runs about 1900$.     I'm a cheap bast*rd and decided I'd see if I might be able to go a different route by geting some Bilstein ASN shocks and the coilover componets to adapt them.  This way I can order valving that would be...
13 9274
by  SpeedingBoltJump to last post
04 Feb 2015 01:28 PM
1 Replies and 2561 Views STC Setup Legality (Edited)  2561  1 Started by  apex_DNA Hello everyone, I have a '91 Civic Si. Is King Motorsports' 'OEM build' (https://www.kingmotorsports.com/c-318-king-motorsports-engine-build-prices-process.aspx) legal in STC class, and what about Exedy OEM replacement clutch (P08012)
1 2561
by  SpeedingBoltJump to last post
04 Feb 2015 12:53 PM
4 Replies and 3083 Views Tire advice - 255/40-17 versus 245/35-17  3083  4 Started by  ChristianNJ Hi, I am currently running Direzza Z2 255/40 on 17x9 at the front and 225/45 on 17x8 at the rear on a VW GTI MK5. I noticed that the Toyo R1R will be available in 245/35-17 assuming it will be changed to TW200. The diameter difference is more than one inch and I would see better acceleration and a lowered center of gravity. Looks like people rate the R1R lower than the RS3 or ZII SS but would the other benefits give a net advantage for the R1R
4 3083
by  Z3papaJump to last post
28 Jan 2015 02:03 PM
3 Replies and 2429 Views ST Tune... for Boosted Cars  2429  3 Started by  nilfinite Apologies if this has been asked before. There seem to be a ton of threads about it but funding the answer is still a pain in the pass. Can we quickly answer this question for the benefit of future people looking for the answer. There are several options to tune a car. 1. Replacement ECU 2. 'True-Tune' modifying the stock ECU settings 3. Piggyback (Modules that plug into the ECU wire harness and modify signals that go in or out of the ECU) 4. Sensor Modifiers (Tunes that tap into spe...
3 2429
by  John PJump to last post
21 Jan 2015 11:02 PM
88 Replies and 20228 Views C5s in STU?  20228  88 Started by  hklvette
(Topic has multiple pages1 2 3 ... 4 )
Let the bench racing begin!   For reference: Bolt-on LS1s seem to get around 335rwhp, 345rwtq.  1st gear on stock diameter tires is 53mph 6200.  2nd is about 80mph.   Weight is around 3100 sans driver for the lightest versions.   edit: In case you're wondering where this came from, look in the Street Touring section of the August Fastrack.
88 20228
by  OZMDDJump to last post
14 Jan 2015 01:04 PM
2 Replies and 3171 Views STU Wheel/Tire Combo  3171  2 Started by  crazycalm I am looking for some advice on an STU build. I understand that for a RWD car, 285 tires are the maximum width allowed. I am looking for some advice on whether I should try and go with a square 285 set up, or do a staggered set up with a smaller width up front. Clearance is not an issue so is there any reason why I shouldn't go with the widest tire available Thanks in advance!
2 3171
by  drdisqueJump to last post
10 Dec 2014 10:59 PM
0 Replies and 1098 Views RS-3 cold weather storage/races  1098  0 Started by  VW_rob_85 It's dropping to lowes of 18 and highs of 40. How damaging will that be Worth driving them in that to scrub the mold release off I'm hoping to race Sunday and it's calling for 42/21°. Also anyone found new tire blankets since mls went out of business
0 1098
10 Nov 2014 09:49 AM
2 Replies and 3954 Views BRZ STX Car Setup For A Newbie  3954  2 Started by  brianL I'm new to the sport and have been loving it! I have done about 6 events this year and I did the evolution driving school phase one. I have a few questions about setting up my car for events and during events. Car and mods 2014 subaru brz -KW V3 coilovers -enkei rpf1's 17X9 all around -Bridgestone RE11a's -I have a 'street friendly' alinement   What I want to know is how stiff should I make the front and rear and what tire pressures to run So far I have ran 33psi front and 30psi re...
2 3954
by  Nathan AtkinsJump to last post
30 Oct 2014 01:47 AM
3 Replies and 2846 Views Tires for STX class (NEWBIE HERE)  2846  3 Started by  alexvilla Hello guys I am new here, my first year running on SCCA events and first time at Auto Cross events as well.      I have a question I am looking for a new set of tires for my auto crossing events.   I currently have the nitto's nt05 which are ok but the temperature rating on those is from 160F to 220F for optimum performance, and at the events the tires barely get to that temperature on the last run, even when we have a 100F weather here     Now I drive an 0...
3 2846
by  Nathan AtkinsJump to last post
30 Oct 2014 01:37 AM
2 Replies and 1849 Views STX suspension setup for RX8  1849  2 Started by  Nathan Atkins So I'm trading in my rx8 after a engine flooding episode, the car is running fine again, but I'm just kind of annoyed with it and have a perfectly serviceable BRZ to take its place. Springs are 70-90mm tapered tein's 10k front/7k rear so that they work with factory top hats Delrin spring separators Hyperco tender springs 5' Coilover sleeves Fat Cat Bumpstops, I think they're 36/58mm, the ones for use with coilovers Bilstein B8 shocks (the slightly shorter bodied ones made for lower...
2 1849
by  Nathan AtkinsJump to last post
29 Oct 2014 11:58 PM
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