Suspension & Brakes Theory, alignment, spring rates....

00 em1 rear camber question?(not about "do i need a kit")

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Old Oct 21, 2005 | 02:32 PM
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From: overland park, ks
Default 00 em1 rear camber question?(not about "do i need a kit")

recently got alignment to get my front camber kit set right and get everything good. But i didn't think I needed a rear kit, the car is lowered about 1.8" in the rear. But the rear camber is -2.7 both sides, So do i really need to get the camber fixed or will it be fine since My caster and toe are perfect. I keep hearing that camber doesnt wear tires toe does but I dont know. So thoughts would be great thanks.
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Old Oct 22, 2005 | 03:30 PM
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Default Re: 00 em1 rear camber question?(not about "do i need a kit") (kcem1)

no one?
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Old Oct 22, 2005 | 08:40 PM
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-2.7 is quite a lot for optimal handling in the rear in my opinion, that much camber can hinder your turn-in feel. I'd go maybe -1 to -1.5 in the rear at most. But it also depends on the rest of your setup, like what sway bars you are using front and rear, and your spring rates and what dampers you are using and what tires and size you are using. Also your corner weights etc; fidning the optimal suspension setup can take a lot of time and tuning as well as track time.
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Old Oct 23, 2005 | 04:01 PM
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Default Re: 00 em1 rear camber question?(not about "do i need a kit") (kcem1)

I can't dig out my alignment reports yet. But I have my car setup for daily driving & autocross myself.

My EM1 used to have -1.6 & -2.4degrees front & back relatively before I installed the rear camber kit. I got the technician to adjust the rear to -0.5 at the back after I installed it. A little bit of toe out up front & remain 0 toe at the back.

Suspension wise I have ZEAL B6 coilover with 12k/8k springs front & back. And I have some 15x7" +45mm offset Kosei K1 all around with 195/55R15 Toyo T1-S myself. It's sooooooo muchhhhhh more fun to drive after I got the rear camber kit install & adjust. It just rotate so much better around sweepers.

HOWEVER, it rubs a little bit at the back after I put on my other set of K1 with 205/50R15 A032RS. So I adjusted it back to about -1 degree at the back now.

I don't have front camber kit myself btw.....still looking for a decent unit that will last and perform well.


Modified by spoonek4 at 5:25 PM 10/23/2005
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Old Oct 23, 2005 | 04:45 PM
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word will I'm going to be changing my set up real soon, I have H&r cup kit right now and it rides like ******* and is to low so. Im either getting kyb adjustable shocks with either eibach pro kits or h&r sport springs. either way Im looking to raise my car back up so that should bring my camber in some. But since my toe is set perfect should I be okay with my rear camber for about a month or less.
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Old Oct 23, 2005 | 05:23 PM
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Default Re: 00 em1 rear camber question?(not about "do i need a kit") (kcem1)

Anyway camber kit should be there to help with cornering instead of saving the tires IMO.

Btw I dun have any any aftermarket strut tower bar at all if that counts. The only aftermarket setup I have is the SRR 19mm rear sway with lower arm bar assy. Didn't get to autocross or do lapping events with the new setup so I can't really tell how much it helps YET.

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Old Oct 26, 2005 | 02:41 PM
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i dont do any racing of any shape or form its just my daily driver to get me from a to b I do have a lower tie bar though.
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Old Oct 26, 2005 | 02:44 PM
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Default Re: (kcem1)

That's a lot of camber.

That wont cause excessive tire wear, but it'll wear out the inside of the tire before the outside. For a larger tire patch (contact to the ground) its best to run less camber for a street car.

Race cars use more negative camber for traction in the corners, and they don't care about tire wear from negative camber.
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Old Oct 26, 2005 | 03:01 PM
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Default Re: (Marauder)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by Marauder &raquo;</TD></TR><TR><TD CLASS="quote">.

Race cars use more negative camber for traction in the corners, and they don't care about tire wear from negative camber.</TD></TR></TABLE>

not true, we just rotate them enough, or actually corner hard enough to wear tires evenly.
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Old Oct 26, 2005 | 09:03 PM
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Default Re: (slammed_93_hatch)

My car has similar camber #'s.
About 1.5 front and almost 3 rear, my rear insides are wearing considerably faster than the fronts.
Also, I don't think the extra rear camber is letting me get enough rotation on track, I am gonna try the washer trick to get me to hopefully -1 in the rear.

I am on Neuspeed sports, AGX's, A-Spec 22mm rear bar.

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Old Oct 27, 2005 | 03:24 PM
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Default Re: (pmachan)

Just get a set of SPC rear camber kit IMHO. U can just do rear wheel alignment & change your rear camber setting whenever u like it.

The cornering performance from changing -2.4 to -0.5degree on rear camber was HUGEEEEEEEE...
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Old Oct 27, 2005 | 03:34 PM
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Default Re: (slammed_93_hatch)

<TABLE WIDTH="90%" CELLSPACING=0 CELLPADDING=0 ALIGN=CENTER><TR><TD>Quote, originally posted by slammed_93_hatch &raquo;</TD></TR><TR><TD CLASS="quote">

not true, we just rotate them enough, or actually corner hard enough to wear tires evenly.</TD></TR></TABLE>

Yeah, if you like to dismount tires from the rims everytime you rotate.

Adjusting camber is easy to do once you have the right kit on your car. So making adjustments from a race setup to daily use setup isn't that hard.

On the integra I had, I adjusted the rears myself, and took it for an alignment and he never even touched the rear camber since I eyeballed it right on.
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