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Camber-Caster-Toe - SETUP

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Old Feb 21, 2012 | 04:32 PM
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Default Camber-Caster-Toe - SETUP

I have a 2008 S2000. Just this weekend, I replaced my springs with "The Eibach Pro-Kit lowering spring " It drop my car 1 inch front and back.
I will take my car for an alignment as soon as I get a good idea on what setup to use. I daily drive my car and take it on nice weekend rides. I do not track. I just want a proper setup for the car and lasting tire life. Please tell me what setup would be best for me.

Front -
Caster: ?
Camber: ?
Toe:?


Rear
Camber: ?
Toe: ?
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Old Feb 21, 2012 | 04:42 PM
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Front -
Caster: 5
Camber: -2.0
Toe: 0


Rear
Camber: -2.5
Toe: 1/16th Total
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Old Feb 21, 2012 | 05:12 PM
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Originally Posted by Reapur
Front -
Caster: 5
Camber: -2.0
Toe: 0


Rear
Camber: -2.5
Toe: 1/16th Total

on the front, would camber -2.0 be too much you think? And I was thinking about adjusting the toe, toe-in(total of +20 for the front)
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Old Feb 21, 2012 | 06:48 PM
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Originally Posted by tpolonyi
Originally Posted by Reapur' timestamp='1329874951' post='21437440
Front -
Caster: 5
Camber: -2.0
Toe: 0


Rear
Camber: -2.5
Toe: 1/16th Total

on the front, would camber -2.0 be too much you think? And I was thinking about adjusting the toe, toe-in(total of +20 for the front)
Reapur gave decent starting specs.

-2.0 isn't too much, IMHO. For a pure street car, -1.5 to -2.0 will be plenty. For caster, I prefer as much as I can get. 5+ should be fine. Neverrrr go toe-in on the front on a RWD car. Set front toe to 0. You can do a small amount of toe-out up front, but only if you're trying to get a bit more turn-in on corner entry. As a trade off, front toe-out might cause more tire wear (probably not very significant from my experience), and it can make the car a little bit "darty" on the highway. Unless you're driving on track, leave it at 0.


For the rear, -2.5* rear is a decent starting point. Ditto for 1/16th total toe. Personally, I like a bit more toe-in at the rear, but 1/16 is acceptable for street.
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Old Feb 21, 2012 | 08:33 PM
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max the front caster first, then max the front camber to what it goes to, probably about -2.5 i am guessing and 0 toe
on the front, for the rear match the front in negative camber (i.e if he gets -2.5 in the front, go for -2.5 in the rear or you can do half a degree more) and as minimal rear toe in as you can, about 1/32 per side, i feel the car handles TONS better with minimal rear toe, its not twitchy in straight line speed, when i had "uk spec" toe in, i hated the car above 75mph.
Toe in in the front????????? ive never had experience with that but if you do toe out for turn in response it chews tires up on the inside, camber doesnt kill tires, toe kills them.
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Old Feb 22, 2012 | 10:18 AM
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I'm starting to understand the complicated setup. Lol. Thank you. Should I wait a couple weeks before I do my alignment and wait for the springs settles?
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Old Feb 22, 2012 | 10:55 AM
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Originally Posted by tpolonyi
I'm starting to understand the complicated setup. Lol. Thank you. Should I wait a couple weeks before I do my alignment and wait for the springs settles?
shouldn't take more than a week for it to settle enough.
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Old Feb 22, 2012 | 11:20 AM
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Originally Posted by tpolonyi
I have a 2008 S2000. Just this weekend, I replaced my springs with "The Eibach Pro-Kit lowering spring " It drop my car 1 inch front and back.
I will take my car for an alignment as soon as I get a good idea on what setup to use. I daily drive my car and take it on nice weekend rides. I do not track. I just want a proper setup for the car and lasting tire life. Please tell me what setup would be best for me.

Front -
Caster: ?
Camber: ?
Toe:?


Rear
Camber: ?
Toe: ?

Front -
Caster: 5.5
Camber: -1.8
Toe:0


Rear
Camber: -2.0
Toe: .13
Reply
Old Feb 23, 2012 | 06:27 PM
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Since its just a street car and you want tire life, I wouldn't suggest as aggressive specs. I'd go:

Front:
Max caster
-1 to 1.5 camber
0 toe

Rear:
-2 camber
0.1 degree toe in, 0.2 total toe
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Old Feb 23, 2012 | 09:31 PM
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I have researched this on the web for hours. I took the specs that were recommended the most and averaged them to come up with this, ( I am plagerizing, But I'm sure the folks who contributed will understand). For street use these might be a bit much-
S2000 Alignment Specs- Race
First start on the front end... Max out the caster. You should get around +5.5 (+6.5) degrees if you max it out. It doesn't HAVE to be the same side-to-side, but you will probably want to set it pretty close. I would say just go for max caster on both sides and don't worry if they are equal or not.
Next, work on the front camber. Set it around -1.5 (-2 comes up a lot too) and make sure it's equal on both sides.

Set the front toe to 0, (almost universal recommendation). This will provide quick turn-in without making the car follow every rut in the road too badly.

Next, set the rear camber to -2.5, (-2 is also very common), degrees on each side. Every car seems to be a little different in this aspect.

For the rear toe, set the rear toe to .05 toe-in on each side. This will give a total toe-in of .10. (for street use usually .1 each, total .2)
Recap-
Front-
Castor= Max out, +5.5 - +6.5, can be slightly different right and left.
Camber= -1.5 equal on right and left.
Toe- 0
Rear-
Camber- -2.5
Toe- .05 toe equal each side, total .10 toe in

My concern is with the rear camber for street use. For straight line acceleration too much camber will result in a small contact patch which might be a bit slippery, especially in the wet. As with all things, it depends. Tire wear is of course another concern, but not for the lateral G minded drivers.

I just had a bad experience with a Honda dealer, I called and told them I wanted a custom alignment, to MY specs. I told them that they would have to turn every nut and bolt on the adjustments. They assured me that it would be the "standard" $75, at the most $100. When I went to the dealer, the service guy told me that it would be a minimum of $200. Because they would have to spend about 2 hours on the alignment. I explained that I told the phone rep that it would be extra work, but they wouldn't budge. He said the person I talked to was a call center employee who was not technical???? Anyone have experience with what a "custom alignment" should cost? I'd like to use a Honda dealer, since they know their cars, but I'm a bit PO'ed with them now.
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