Setting up more agressive alignment for the track

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Jan 30, 2014 | 06:50 AM

#11

iamxpl

Community Organizer

Joined: Mar 2011

Posts: 4,057

Likes: 14

Quote:

Originally Posted by boyguan

My caster is maxed at 5.7. Not sure why

your compliance bushings maybe done for. or was 5.7 your personal max? it should be able to get up to 7. if your bushing isnt seized or destroyed then it might be something within your suspension.

Jan 30, 2014 | 10:19 AM

#12

boyguan

Joined: Sep 2005

Posts: 2,973

Likes: 21

I changed to new power flex compliance bushings. One side can get like 3 camber other side only 2.5 camber. I think I'll have the alignment shop next time try to move my sub frame

Jan 30, 2014 | 10:32 AM

#13

iamxpl

Community Organizer

Joined: Mar 2011

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Likes: 14

you can easily check that yourself, there is an alignment window on the subframe.

Jan 30, 2014 | 01:39 PM

#14

sweetdill

Joined: Jun 2009

Posts: 755

Likes: 2

From: Pasadena, CA

Quote:

Originally Posted by Thateguhate

Quote:

Originally Posted by sweetdill' timestamp='1391063105' post='22990210

Front Caster 6.5 (I wonder if +caster contributes to wishy washy steering center feel)
Front Camber -3.0 (with solid/hardened bushings -.25 more without)
Rear Camber - 2.75 (with solid/hardened bushings -.25 more without)
Front Toe 0
Rear Toe 1/8

I'm really glad that I asked you guys before making my appointment. How does your car react with those current settings? and what was it like before?

Quote:

Originally Posted by qbz

If you have semi race tires they often recommend -2 or more camber. The manufacturer of the tires you buy usually have specific recommendations for there tires. Also by running 225 in front and 255 in the back will give you understeer under hard cornering try to have the same wide all around.

Sent from my GT-I9300 using Tapatalk

hmmm interesting. It could probably be done considering I'm raising the car now. I thought about it but I had felt so content with the 225's I didn't really consider it much. As of now, the oversteer really hasn't been bad.. Right now I have the old Starspecs in the front and RS3's in the rear.

My car is super fun to drive. I love it. It also wears the tires nice and flat, biased to the inside only a tad.
Bears noting that I have Eibach R2's 800f 700r, stock sway bars, RCA's at all four corners, and front bumpsteer steering rack spacers with 255's square, big wing and splitter.

I had to dial back the caster from over 7.

Jan 30, 2014 | 01:57 PM

#15

Thateguhate

Thread Starter

Joined: Dec 2011

Posts: 1,923

Likes: 6

Nice I see. Ok I'll have to discuss the variables with the techs at the place I'm going to and see what they say. Thanks for the feedback.

Jan 31, 2014 | 02:48 PM

#16

andrewhake

Joined: Jan 2011

Posts: 5,651

Likes: 107

From: Mt. ________

You need to list more info on your suspension setup to get good suggestions for alignment.

Jan 31, 2014 | 07:14 PM

#17

Thateguhate

Thread Starter

Joined: Dec 2011

Posts: 1,923

Likes: 6

I would have posted up my current alignment settings but I misplaced the sheet. It's relatively simple though, I didn't see the point in modding too much without having the skill compensate for it so I just have the bare essentials.

Tires : Dunlop Starspecs on the front and RS3's on the back
Suspension: Koni Yellow's / Ground Control's 550f/550r
Sway bars: stock
No bumpsteer kit

Feb 6, 2014 | 08:31 AM

#18

suterusu

Joined: Apr 2005

Posts: 838

Likes: 5

From: MI

Quote:

Originally Posted by sweetdill

Front Caster 6.5 (I wonder if +caster contributes to wishy washy steering center feel)

Increased caster increases on center steering feel or steering re-centering force.

It also increases negative camber as steering angle is added.

Feb 6, 2014 | 09:22 AM

#19

Sebring AP1

Registered User

Joined: Jul 2006

Posts: 2,656

Likes: 2

From: FV CA

Quote:

Originally Posted by sweetdill

This is what you want. You also want a BSK.

Also why are you running two brand of tire on different ends?

Feb 6, 2014 | 10:05 AM

#20

ndogg

Joined: Apr 2012

Posts: 450

Likes: 13

BSK are over-hyped around here. If you look at any toe graphs you will see that lowering this car an inch has absolutely no effect on bump steer. Granted the AP1 has a decent amount of bump steer in stock form, but it is manageable.

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