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Old 06-17-2005, 09:53 AM   #1
JazzM
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alignment/suspension specs...

I just had my alignment and corner balancing done. Please post your alignment/suspension specs. Here are mine:

Front:

Camber: (Max on adjustable camber plate)
Castor: Max (adjustable camber/castor plate + offset control arm bushing)
Toe: 3/16 toe out

Rear:

Camber: 2.2 deg.
Castor: n/a
Toe: 1/16 toe in

Corner balancing with 200lbs driver

Suspension:
TC Kline True Match Single Adjustable suspension
500/500 lbs springs (F/R)
TC Kline Camber plates
e30 M3 forged control arms
offset Mtech control arm bushing
H&R Sway bar (28mm) with urithane bushing
stock rear sway bar
Ireland Engineering Subframe urithane bushing
Rear trainling arm eccentric bushings (for adjustable camber/toe)

T.
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Old 06-19-2005, 02:43 AM   #2
STALKER
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Where did you have it corner balanced, there are not to many places that do it. I had mine done at Mantis Racing.
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Old 06-19-2005, 02:37 PM   #3
thinair
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-2.1コ camber front
-2.2コ camber rear
6コ caster
0 toe front
1/16" toe rear

400lbs/in front
430lbs/in rear

Suspension:
Bilstein PSS coilovers (no helper spring)
Eibach Swaybars w/ urethane bushings (soft front stiff rear)
K-Mac urethane front camber plates
BMW Motorsport strut mount reinforcements
M control arms (96+)
Powerflex urethane control arm bushings (offset, set wide)
M3 rear trailing arm bushings (96+) w/ Ground Control Shims
Ground Control urethane rear shock mounts
BMW X-brace
Racing Dynamics front strut brace

upcoming:
Powerflex subframe mounts
2 adjustable swaybar links (one for the front, one for the rear)
2 solid swaybar links (not rubber or urethane)
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Old 06-19-2005, 03:24 PM   #4
app
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thinair, is that setup more for the track, or it's great for every day driving too?
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Old 06-19-2005, 04:33 PM   #5
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This car is my daily driver. If it was a track car I'd have like -3コ camber all around, toe out up front, like 600lbs/in springs, and solid bushings (as opposed to urethane).

It's honestly not that bad of a ride on the street, but I might make it a bit stiffer. My goal has been to get the car to handle fairly neutral (not understeering like it was stock).
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Old 06-19-2005, 07:51 PM   #6
app
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still using the springs that originally came with the pss setup?

I've debated stiffer myself. Didn't know how easy it would be to swap out or where to get "custom" springs.
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Old 06-19-2005, 08:30 PM   #7
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Quote:
Originally Posted by app
still using the springs that originally came with the pss setup?

I've debated stiffer myself. Didn't know how easy it would be to swap out or where to get "custom" springs.
Yep, original PSS springs, for me to get stiffer springs I'd need to get the shocks revalved, so I'm planning on just selling off the PSS's and getting a set of Ground Control/Koni track/school coilovers, about 550lbs/in front, 650lbs/in rear. But who knows when that will happen. With R-comps I'm actually fairly happy with the handling of my car now at the auto-x's, so I don't have the motivation to blow a bunch of money for the time being on another suspension setup.
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Old 06-19-2005, 09:09 PM   #8
app
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Fair enough. And it looks like (by your mod list) that everything else is nicely tightened up too.
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Old 06-20-2005, 09:20 AM   #9
JazzM
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that's the key... eliminate as much of the play in various components so that they do their jub properly.

T.
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Old 06-20-2005, 09:42 AM   #10
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Im running GC coils and sways. 450 spring front and 500 rear, good streat and track combo. I have to find my alignment specs though, I had it corner balanced aswell. you guys don't find that you get to much inside wear running -2. I found that I was so for everyday I back it down to -1.5. Its easy enough to change with the GC camber plates.
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Old 06-20-2005, 12:05 PM   #11
JazzM
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Yes, but if you change your camber up front you're also changing your toe. Less camber equals less toe out (or more toe in).

I got mine corner balanced and alignement done at Mantis Racing as well..

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Old 06-20-2005, 12:42 PM   #12
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If you dont mind me asking, how much did they charge you for the alingment/corner balancing?
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//RAC RG63//Volk TE37//AP Racing BBK//Akrapovic Exhaust//Dinan SW//Dinan Intake//JRZ RS1 Coilovers//Dinan Monoball Control Arm Bearings//VRS Diffuser//
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Old 06-20-2005, 01:09 PM   #13
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Quote:
Originally Posted by STALKER
you guys don't find that you get to much inside wear running -2. I found that I was so for everyday I back it down to -1.5. Its easy enough to change with the GC camber plates.
I have no issues with inner tire wear, that is why I run 0コ toe up front, it's the toe that wears out your tire, not the camber......within reason anyway. I'm sure if you ran like -5 to 6コ camber you'd wear out the insides no matter what.
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Old 06-20-2005, 01:30 PM   #14
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Well, its more of a combo of the 2, if you ran --3 camber and 0 toe, you would wear out the inside.
Maybe I pump mine up to -2 daily then. I didnt adjust it to more than -1.5 last time I was at the track last month, and the udnersteer was not to bad at all, mind you that could also be from my sway bar package aswell.
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Old 06-20-2005, 01:33 PM   #15
TiredTI
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I, like you, believe that reasonable front camber changes can be achieved without excessive tire wear, provided that an appropriate toe-in adjustment is made at the same time.

Any idea if there is a rule of thumb for the relationship between front negative camber and front toe-in? Something like: 妬ncrease negative camber by one degree (say -2ー to -3ー) and then reduce toe-in by 1/8 inch (say from -1/8 in. to zero) These numbers are for illustration purposes only.

I am currently running:

Front camber -2.4ー per side
Front toe-in 0 (zero)

S.
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