Welcome to the North American Subaru Impreza Owners Club Tuesday September 16, 2014
Home Forums WikiNASIOC Products Store Modifications Upgrade Garage
NASIOC
Here you can view your subscribed threads, work with private messages and edit your profile and preferences Home Registration is free! Visit the NASIOC Store NASIOC Rules Search Find other members Frequently Asked Questions Calendar Archive NASIOC Upgrade Garage Logout
Go Back   NASIOC > NASIOC General > Motorsports > Autocross

Welcome to NASIOC - The world's largest online community for Subaru enthusiasts!
Welcome to the NASIOC.com Subaru forum.

You are currently viewing our forum as a guest, which gives you limited access to view most discussions and access our other features. By joining our community, free of charge, you will have access to post topics, communicate privately with other members (PM), respond to polls, upload content and access many other special features. Registration is free, fast and simple, so please join our community today!

If you have any problems with the registration process or your account login, please contact us.
* Registered users of the site do not see these ads.
Reply
 
Thread Tools Display Modes
Old 12-04-2012, 11:44 PM   #476
Squidz
Scooby Guru
 
Member#: 142608
Join Date: Mar 2007
Chapter/Region: TXIC
Location: Cute fuzzy cuddly kitten hell.
Vehicle:
2003 Sonic Yellow
Marginally well behaved.

Default

Quote:
Originally Posted by Claymra View Post
To give some background here is my current list of work done to the car. Thanks for any input on easy things I could do to improve the low end performance of my car/ exit speed out of turns.

-COBB accessport v2 (running protune from Epic Motorsports)
-Helix catless DP (3 inch)
-Helix catless up-pipe
-JNA performance catback (3 inch)
-Mishimoto aluminum radiator
-Cobb SF Intake
-STI TMIC
-COBB turbo heat shield
-Samco Intercooler hose
-Perrin turbo inlet hose
-One step colder spark plugs
-VF43 turbo
-Warlboro 255
-STI 560cc injectors
-Protune 284/274 mustang dyno

Suspension bits:
-Tockico D-Specs
-Prodrive Blue springs (pretty sure they are 175lb/inch F&R)
-JDM V7 Tophats F&R
-Whiteline steering rack bushings
-17X8 OZ Ultraleggeras
-245/40/17 Goodyear Eagle F1 Asyms
-Kartboy short shifter
-TIC shifter bushings
-22mm rear swaybar set to full stiff(has 3 adjustments so 23mm?)
24mm front swaybar set to full stiff(has 2 adjustments so 25mm?)
-Kartboy rear endlinks
-05WRX swaybar mounts (with whiteline bushings)

I currently am running 5.75 TFFS on the front and 6.25 TFFS on the rear of my Dspec shocks. I wouldn't mind switching over to RCE yellows or blacks. Just not sure which way I want to go yet...

I ran 35PSI in my tires at this past event and kept an eye to keep them between 35 and 36 PSI during my runs. Is that a good pressure for a full weight WRX on 245/40/17? I don't think they were rolling over much.

Pretty sure my alignment is -1 front and -.5 rear.
Any suggestions for a good alignment that is still daily driver friendly- or would it be best to stay the same?

Thanks for any help.

Clay
You need camber....badly. -1 up front isnt gonna cut it. Also, you need a strut mount without any rubber in it. The group N mounts are nice for street...but you want something solid (like pillowball mounts) so the car doesnt push and you can carry more speed through corners. Stiffer springs are needed...but in the form of an adjustable coilover so you can corner balance the car and set preload. You will also never survive in SM without slicks. A daily driven SM car is very hard to do.

I got railed into sm when I started to due to my mods. I feel ur pain...its a very hard place to start.
* Registered users of the site do not see these ads.
Squidz is offline   Reply With Quote
Old 12-05-2012, 09:53 AM   #477
jprice130
Scooby Newbie
 
Member#: 288225
Join Date: Jul 2011
Chapter/Region: South East
Location: Harrisburg, NC
Vehicle:
2013 BRZ
DGM

Default

Hey Clay, this is Joe, the guy with the BRZ that was talking with you during our work assignment this past weekend. It was great to meet you and I thought you did awesome, given your experience, the fact that the course was not turbo friendly, and given that your tires are not the best for your class (or AutoX in general).

Like others have said in this thread, I'd focus your updates on getting your car to corner faster rather than spending a bunch of money on your engine/turbo/tune. I got the impression that you enjoyed your tune around town, so I'd just leave that stuff be and concentrate on getting better tires, stiffer springs for your D-specs, and getting some camber plates for camber adjustment. You will see a big improvement with those changes alone and it will prevent you from having to spend the same money you've already spent on your turbo upgrade and tune.

Also, if you get a chance to come to events at ZMAX, CMP, or Black Lake/Michelin Proving Grounds, you'll definitely reach higher speeds on those courses and get to stay in boost longer. I hope to see you at some events next season! Joe
jprice130 is offline   Reply With Quote
Old 12-05-2012, 05:39 PM   #478
04trailsti
Scooby Specialist
 
Member#: 179170
Join Date: May 2008
Chapter/Region: South East
Location: Behind the wheel
Vehicle:
2005

Default

Theres one in SC this saturday @ CMP.
04trailsti is offline   Reply With Quote
Old 12-05-2012, 06:22 PM   #479
Claymra
Scooby Specialist
 
Member#: 83167
Join Date: Mar 2005
Chapter/Region: South East
Location: Columbia, SC
Vehicle:
2002 VF43'd bugeye
nothing special ;-)

Default

^^ I am going up to that one. Pretty excited about it as I did the Subaru showdown earlier this year and had a ton of fun.

Joe thanks and it was good meeting you too. Putting more into the suspension/tires of the car does make sense. I still dream of an e85 tdo4 running ESP though (if e85 is allowed- I have not looked into it)

Hopefully I can at least get on some RCE yellows, or ground control sleeves0- something stiffer for next season. Ill probably max out camber with what I have now and invest in camber plates for the front in the future. They seem to be pricey.

What max camber can you run on my car? I think I have read 1.5 or 2 deg total up front? I have the camber bolts for the rear. They will allow .5 total right?

As you can tell I am new to actually taking auto-x serious and any help is appreciated.

Thanks!

Clay
Claymra is offline   Reply With Quote
Old 12-05-2012, 06:55 PM   #480
polyol
Scooby Specialist
 
Member#: 73422
Join Date: Oct 2004
Chapter/Region: SWIC
Location: Gilbert
Vehicle:
04 STi
JVP

Default

Camber bolts + camber plates up front will give you as much as you want. I run 3 degrees of camber in the front and 1.5 degrees of camber in the rear, but that is a subjective too. I would aim for 2.5 +/- 0.5 degrees up front and 1.0 +/- 0.5 in the rear.

If you are going coilovers and have a choice of springs...500 front and 400lb rear make for an OK street and creditable Autox setup.

Last edited by polyol; 12-06-2012 at 11:08 AM.
polyol is offline   Reply With Quote
Old 12-05-2012, 10:54 PM   #481
Claymra
Scooby Specialist
 
Member#: 83167
Join Date: Mar 2005
Chapter/Region: South East
Location: Columbia, SC
Vehicle:
2002 VF43'd bugeye
nothing special ;-)

Default

What max camber is capable out of my dspec shocks without camber plates do you think?
Claymra is offline   Reply With Quote
Old 12-05-2012, 10:56 PM   #482
subydude
Scooby Specialist
 
Member#: 80649
Join Date: Jan 2005
Chapter/Region: South East
Location: Columbia, SC
Vehicle:
2000 2.5 Auto-X RSTi
What's A Head Gasket?

Default

-1.5ish depending on what camber bolts you run. If stock, -1.2 or so.

I was actually in the red DSP BMW at the event, so no problems with turbo lag there
subydude is online now   Reply With Quote
Old 12-05-2012, 11:10 PM   #483
Claymra
Scooby Specialist
 
Member#: 83167
Join Date: Mar 2005
Chapter/Region: South East
Location: Columbia, SC
Vehicle:
2002 VF43'd bugeye
nothing special ;-)

Default

^^ That thing rocked! You going to CMP this weekend?

Clay
Claymra is offline   Reply With Quote
Old 12-06-2012, 12:03 AM   #484
Leafy
Scooby Specialist
 
Member#: 330625
Join Date: Aug 2012
Chapter/Region: NESIC
Location: MA
Vehicle:
2006 WRX
WRB

Default

Only 3* of camber with McStrut? For a car with slicks? Do subies get a lot more camber gain than most other McStrut cars? Because 3* is about what we run on the front of miatas with 275 slicks.
Leafy is offline   Reply With Quote
Old 12-06-2012, 08:04 AM   #485
subydude
Scooby Specialist
 
Member#: 80649
Join Date: Jan 2005
Chapter/Region: South East
Location: Columbia, SC
Vehicle:
2000 2.5 Auto-X RSTi
What's A Head Gasket?

Default

-3 degrees is a good starting point. It really depends on suspension and lowering. To many variables to determine before giving a good answer. I know I run more than -3 in the front now.

Clay, I'm going to the Chump race at Road Atlanta this weekend.
subydude is online now   Reply With Quote
Old 12-06-2012, 11:07 AM   #486
polyol
Scooby Specialist
 
Member#: 73422
Join Date: Oct 2004
Chapter/Region: SWIC
Location: Gilbert
Vehicle:
04 STi
JVP

Default

I would hesitate to run over -3.5 in the front...could hurt braking...you can always have too much of a good thing.
polyol is offline   Reply With Quote
Old 12-06-2012, 12:01 PM   #487
RS_to_WRX_swap
Scooby Specialist
 
Member#: 40337
Join Date: Jul 2003
Chapter/Region: BAIC
Location: Bay Area
Vehicle:
95 L Coupe Swapped
99 Outback

Default

Brakes just make you go slow.
RS_to_WRX_swap is offline   Reply With Quote
Old 12-06-2012, 02:30 PM   #488
subydude
Scooby Specialist
 
Member#: 80649
Join Date: Jan 2005
Chapter/Region: South East
Location: Columbia, SC
Vehicle:
2000 2.5 Auto-X RSTi
What's A Head Gasket?

Default

Quote:
Originally Posted by polyol View Post
I would hesitate to run over -3.5 in the front...could hurt braking...you can always have too much of a good thing.
I'd probably limit it to 3.5-3.8ish. There are points in the setup where you realize that to much of something is a band-aid for an issue elsewhere and once you've fixed the other issue you don't need as much camber.

Quote:
Originally Posted by RS_to_WRX_swap View Post
Brakes just make you go slow.
After spending some time in an STS Miata this year, I can't agree enough
subydude is online now   Reply With Quote
Old 12-06-2012, 02:50 PM   #489
T-37
Scooby Specialist
 
Member#: 175624
Join Date: Mar 2008
Chapter/Region: MWSOC
Location: Wichita, KS
Vehicle:
1234 RIGHT IN THE
SYRUP

Default

Quote:
Originally Posted by subydude View Post
I'd probably limit it to 3.5-3.8ish. There are points in the setup where you realize that to much of something is a band-aid for an issue elsewhere and once you've fixed the other issue you don't need as much camber.
That's where I was at this year. Stock front sway, too low in the front, and skinny (225/40/18) tires on skinnier wheels (7.5"). I was running 1.5 degrees on maxed out camber bolts with my camber plates centered, then for autox days, I would max the camber plates out before my runs, and set them back to center before I drove home. But I worked with what I had. There are plenty of changes happening to remedy those problems.


Last edited by T-37; 12-06-2012 at 03:02 PM.
T-37 is offline   Reply With Quote
Old 12-06-2012, 03:58 PM   #490
Claymra
Scooby Specialist
 
Member#: 83167
Join Date: Mar 2005
Chapter/Region: South East
Location: Columbia, SC
Vehicle:
2002 VF43'd bugeye
nothing special ;-)

Default

^ So it sounds like with camber plates its pretty easy to adjust them quickly for performance at an event? I assume that you just get the front of the car in the air and change settings on the plates themselves --no messing with strut bolts to wheel hubs right?

I am new to all this stuff- sorry if that was a dumb question.

Clay
Claymra is offline   Reply With Quote
Old 12-06-2012, 04:00 PM   #491
subydude
Scooby Specialist
 
Member#: 80649
Join Date: Jan 2005
Chapter/Region: South East
Location: Columbia, SC
Vehicle:
2000 2.5 Auto-X RSTi
What's A Head Gasket?

Default

Quote:
Originally Posted by Claymra View Post
^ So it sounds like with camber plates its pretty easy to adjust them quickly for performance at an event? I assume that you just get the front of the car in the air and change settings on the plates themselves --no messing with strut bolts to wheel hubs right?

I am new to all this stuff- sorry if that was a dumb question.

Clay
That's generally correct for how to adjust camber plates. It varies from plate to plate. Toe changes when you add camber that way as well, so finding out what your toe is at "street setting" and then at "autox setting" is important. You can also find out how many turns on the tie rod are needed to go back to 0 toe. Alternatively, some people prefer the toe out that's added. YMMV.
subydude is online now   Reply With Quote
Old 12-06-2012, 04:01 PM   #492
Leafy
Scooby Specialist
 
Member#: 330625
Join Date: Aug 2012
Chapter/Region: NESIC
Location: MA
Vehicle:
2006 WRX
WRB

Default

My last car with McStrut I had to slot the struts for more camber because I didnt want to change the SAI and scrub radius by using the camber plates. And NO you cannot adjust camber at the bottom of the strut without being on an alignment rig, your toe goes all over the place. At least with the camber plates it changes the samish (at least the same direction in or out rather than left to right) on each side.
Leafy is offline   Reply With Quote
Old 12-06-2012, 04:18 PM   #493
subydude
Scooby Specialist
 
Member#: 80649
Join Date: Jan 2005
Chapter/Region: South East
Location: Columbia, SC
Vehicle:
2000 2.5 Auto-X RSTi
What's A Head Gasket?

Default

Devils advocate and all, but I use a very simple camber gauge and a level when needed to set things up. Then some string and a few jackstands.....

But yes, alignment rack is probably better
subydude is online now   Reply With Quote
Old 12-06-2012, 04:21 PM   #494
T-37
Scooby Specialist
 
Member#: 175624
Join Date: Mar 2008
Chapter/Region: MWSOC
Location: Wichita, KS
Vehicle:
1234 RIGHT IN THE
SYRUP

Default

Quote:
Originally Posted by subydude View Post
That's generally correct for how to adjust camber plates. It varies from plate to plate. Toe changes when you add camber that way as well, so finding out what your toe is at "street setting" and then at "autox setting" is important. You can also find out how many turns on the tie rod are needed to go back to 0 toe. Alternatively, some people prefer the toe out that's added. YMMV.
I just lived with the added toe. Never bothered to measure it. It looked like a lot.
T-37 is offline   Reply With Quote
Old 12-06-2012, 05:18 PM   #495
04trailsti
Scooby Specialist
 
Member#: 179170
Join Date: May 2008
Chapter/Region: South East
Location: Behind the wheel
Vehicle:
2005

Default

Im getting a taste of SM saturday, Ill be in Evo Joe's Evo although only street tires it should be fun. Last weekend I was in the Black STR S2000 #8.
04trailsti is offline   Reply With Quote
Old 12-06-2012, 05:20 PM   #496
polyol
Scooby Specialist
 
Member#: 73422
Join Date: Oct 2004
Chapter/Region: SWIC
Location: Gilbert
Vehicle:
04 STi
JVP

Default

On the camber plates...I have mine set to 2.3 degrees camber on the street...then I slam the plates at the track to give me 3 degrees of camber. This also induces 1/4" of toe out. For my track that is fine as it does help with initial turn in. On a high speed track it would suck, but for the speeds my club runs at, its fine.
polyol is offline   Reply With Quote
Old 12-06-2012, 05:26 PM   #497
04trailsti
Scooby Specialist
 
Member#: 179170
Join Date: May 2008
Chapter/Region: South East
Location: Behind the wheel
Vehicle:
2005

Default

We did the same thing for em99sport at NCAC on his last run it was his last ditch effort to beating a full prepped STU car. So we maxed out camber later found out it was 6+degrees of neg. camber.
04trailsti is offline   Reply With Quote
Old 12-06-2012, 05:54 PM   #498
polyol
Scooby Specialist
 
Member#: 73422
Join Date: Oct 2004
Chapter/Region: SWIC
Location: Gilbert
Vehicle:
04 STi
JVP

Default

Quote:
Originally Posted by 04trailsti View Post
We did the same thing for em99sport at NCAC on his last run it was his last ditch effort to beating a full prepped STU car. So we maxed out camber later found out it was 6+degrees of neg. camber.
lol...did it help?
polyol is offline   Reply With Quote
Old 12-06-2012, 06:52 PM   #499
04trailsti
Scooby Specialist
 
Member#: 179170
Join Date: May 2008
Chapter/Region: South East
Location: Behind the wheel
Vehicle:
2005

Default

Yes after day 1 he had a .5 lead with his normal ~3* set up. Then his competition picked up over a secand on day 2. Thats when he had to go for it and with the 6* he also picked up over a second. He also said he dtove a little faster but I think camber helped a lot.
04trailsti is offline   Reply With Quote
Old 12-06-2012, 09:30 PM   #500
Claymra
Scooby Specialist
 
Member#: 83167
Join Date: Mar 2005
Chapter/Region: South East
Location: Columbia, SC
Vehicle:
2002 VF43'd bugeye
nothing special ;-)

Default

Just checking on something...

I have blown out the liquid filled bushing on the rear of my front control arms... I need replacements and would love to go ALK for that if it was allowed in "normal" auto-x classes...

I am thinking about getting these for replacements since it seems like I could install them myself because its a replacement of the entire unit and I would not need to press the stock bushings out of the brackets...

https://www.subarugenuineparts.com/p...roducts_id=746

Anyone used these? Also I wanted to double check they are SM legal also. From what I have seen they are.

Thanks for any input,

Clay
Claymra is offline   Reply With Quote
Reply

Thread Tools
Display Modes

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Forum Jump

Similar Threads
Thread Thread Starter Forum Replies Last Post
Will my trans swap put me automatically in Street Mod? RebelINS Autocross 6 07-22-2013 05:24 PM
I'm still legal for Street Mod right?(list inside) Davenow Motorsports 4 05-24-2003 03:21 AM
street mod tire question Jaxx Motorsports 2 02-20-2003 07:59 PM
Autocross class... Street Mod? Motohead1 South East Region Forum 11 06-26-2001 10:11 AM
Street Mod news Eric Technical Forum Archive 5 05-31-2000 02:33 PM


All times are GMT -4. The time now is 04:12 PM.


Powered by vBulletin® Version 3.7.0
Copyright ©2000 - 2014, Jelsoft Enterprises Ltd.
Powered by Searchlight © 2014 Axivo Inc.
Copyright ©1999 - 2014, North American Subaru Impreza Owners Club, Inc.