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Old 01-06-2010, 02:49 PM   #1
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Lowering Alignment Issue

Lowered my SS this past Saturday using the Pfadt springs with 1.25" drop. I had the car aligned yesterday and asked the shop to set front camber at -0.8 and rear at -0.6. The front was no issue but the rear adjustment maxed out at -0.9. Has anybody else had an issue getting the rear camber adjusted?
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Old 01-06-2010, 05:59 PM   #2
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That is a problem on the camaro, the lower it goes the more adjustment it needs.Pedders makes a cam kit that helps get more adjustment.If needed pm me we have them in stock.
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Old 01-06-2010, 11:43 PM   #3
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Thanks Raymo1. I'm going to watch my tire wear and if becomes an issue I'll pick up the adjustment bolts.
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Old 01-07-2010, 12:04 PM   #4
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I thought the camber kit was only needed if you drop over 1.25. I didn't think it was an issue with a 1.25 drop.
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Old 01-08-2010, 06:29 PM   #5
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It is an issue with any drop. I have seen
Camaros only able to get -1.3 degrees as the lowest negative cambers.

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Old 01-08-2010, 06:34 PM   #6
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If lowered....does is need to be adjusted to -0.8 and -.06? Is there any issue with it being set at the max of -0.9?
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Old 01-08-2010, 06:46 PM   #7
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If lowered....does is need to be adjusted to -0.8 and -.06? Is there any issue with it being set at the max of -0.9?
With only drop coils or coil overs, we have found by testing, the best handling can be obtained by putting the front cambers to -1.0 and he rears to -.5. This seriously helps the understeer concerns.

Plus adding more front caster is a big help as well.

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Old 01-09-2010, 12:44 AM   #8
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Quote:
Originally Posted by dms View Post
With only drop coils or coil overs, we have found by testing, the best handling can be obtained by putting the front cambers to -1.0 and he rears to -.5. This seriously helps the understeer concerns.

Plus adding more front caster is a big help as well.

mike
dms
What does that do to tire wear?
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Old 01-09-2010, 08:46 AM   #9
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I had the same issue. In fact even with the pedders alignment kit I could only get - 1 degree or so.

I ground out the toe and camber slots to get that last little bit. Then I sectioned my BMR lowers to pull the camber in more.
Now its OK! I can get to about - .3 if I need to.




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Old 01-09-2010, 01:37 PM   #10
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Quote:
Originally Posted by Cruz-lo View Post
I had the same issue. In fact even with the pedders alignment kit I could only get - 1 degree or so.

I ground out the toe and camber slots to get that last little bit. Then I sectioned my BMR lowers to pull the camber in more.
Now its OK! I can get to about - .3 if I need to.




We have NEVER had an issue getting cambers more positive than -.5 with our Pedders eccentrics. I have been involved with quite a few installs. I was unaware of length variations with the BMR units.

How low did you drop your rear and what else have you done to the suspension upgrades? If you lok at the WD40 Camaro, we dropped the back end over 2 inches, and could have set the rear cambers to 0.

One last note is that the trailing arm really does not have much influence on camber. Toe definetly, but not camber

mike
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Last edited by Info@PeddersUSA.com; 01-09-2010 at 07:13 PM.
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Old 01-09-2010, 05:44 PM   #11
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DMS so you reccomend the alingment kit with your spring and coilover kits??????
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Old 01-09-2010, 05:48 PM   #12
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DMS so you reccomend the alingment kit with your spring and coilover kits??????
Yes I do. With the exception of our coil spring drop kits, all other lowering kits include the adjusters

mike

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Old 01-09-2010, 05:52 PM   #13
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Thanks for the info Mike nice to have vendors that take care of us!!!!!!!!!!!!!!!
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Old 01-09-2010, 07:09 PM   #14
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dms,
I am about to install 1" drop springs. What are the alignment specs for the whole car I need to give to my alignment guy. I only street drive my car if that makes a difference. Thanks in advance.
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Old 02-18-2010, 01:58 AM   #15
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Quote:
Originally Posted by dms View Post
We have NEVER had an issue getting cambers more positive than -.5 with our Pedders eccentrics. I have been involved with quite a few installs. I was unaware of length variations with the BMR units.

How low did you drop your rear and what else have you done to the suspension upgrades? If you lok at the WD40 Camaro, we dropped the back end over 2 inches, and could have set the rear cambers to 0.

One last note is that the trailing arm really does not have much influence on camber. Toe definetly, but not camber

mike
dms
Maybe I'm missing something in this thread, but where did "I was unaware of length variations with the BMR units" get mentioned by anyone???????????
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Old 02-18-2010, 08:08 AM   #16
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Originally Posted by Blue70SS View Post
Maybe I'm missing something in this thread, but where did "I was unaware of length variations with the BMR units" get mentioned by anyone???????????
That makes two of us.
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Old 02-18-2010, 11:53 AM   #17
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Quote:
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Maybe I'm missing something in this thread, but where did "I was unaware of length variations with the BMR units" get mentioned by anyone???????????
Quote:
Originally Posted by IPS Brandon View Post
That makes two of us.

........
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Old 02-18-2010, 12:14 PM   #18
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I take it this drop affects both models(V6/V8), or only V8(lower than the V6 already)?
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Old 02-18-2010, 08:16 PM   #19
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I installed eibach lowering springs on my SS. My specs are all in the green now and with the settings they said I should see little to no wear more than before but anyways....

Left Front Camber: -0.7
Right Front Camber: -0.9
Left Front Caster: 6.0
Right Front Caster: 6.1
Left Front Toe:0.02
Right Front Toe: 0.06
Front Total Toe: 0.08
Steer Ahead: -0.02

Left Rear Camber: -0.9
Right Rear Camber: -1.0
Left Rear Toe: 0.05
Right Rear Toe: 0.12
Total Toe: 0.18
Thrust Angle -0.03

It came with a warranty. They did mention they got it as close to stock allignment specs as possible which I dont know if that is standard practice but the Eibach did not come with any preferred settings so...... It drives better than stock so as long as my tires done eat up I guess ill be satisfied.
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Old 02-18-2010, 08:50 PM   #20
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There was no issue with the length of the BMR trailing arms! They were exacly the same length as the stock ones!

The trailing arms had to be shorter to pull the tire forward and in. I am running pretty low.
I already had the BMR arms and they were much better suited to a modification compared to the stock ones.

The trailing arm is almost 35 degrees in its angle.

So if it is shorter two things happen.......

The tire to moves forward to the center of the wheel well and also in to improve the ability to achieve a more positive camber.

They custom made me a new set for this purpose since I sectioned mine. The pic below is of the modified arm installed. The new purpose built arm will be installed soon. It is shown below with the new toe links



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Old 02-18-2010, 11:58 PM   #21
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Maybe I'm missing something in this thread, but where did "I was unaware of length variations with the BMR units" get mentioned by anyone???????????
YOU DID NOT HEAR THAT FROM ME

Rereading this post, and this is the problem being on hundreds of posts every day, is I thought you were saying or indiczting there is a problem with lengths of their arms. I misread it,m and apologize for it.
MIKE
DMS

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Old 02-20-2010, 12:37 AM   #22
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Quote:
Originally Posted by dms View Post
YOU DID NOT HEAR THAT FROM ME

MIKE
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Read your own post #10! Not putting words in your mouth - would Never do that.
I think you owe BMR an apology. Let's keep it professional.

Mike, Thanks for your edit
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Last edited by Blue70SS; 02-23-2010 at 09:10 PM. Reason: Mike, thanks for your edit
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Old 02-20-2010, 02:59 PM   #23
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I bought the Pedders alignment bolt kit and the price was not to bad when I bought the Drag bushing kit. I wanted the other bushings for the subframe and diff any way.

If you are running low (2.5 inches or so) you need more adjustment than stock. This is what I found on my car. Both toe and camber are hard to get to the recommended specs. (-.5 camber zero toe for me.) Even with the Pedders alinment bolts I was maxed out on the toe and camber adjusters.

Now if you want to run - 1.0 to -1.3 degree camber then you may be OK.

IMO if you have the shorter BMR trailing arms and the adjustable toe links then you can keep the stock alignment bolts no problem.

I installed these today and I am aligning the car now.... Pics later.
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Old 02-20-2010, 06:14 PM   #24
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I am lowered just one inch all around with my Eibach springs and bars. I also have BMR rear trailing arms. Even with just one inch drop I needed an alignment and I was able to align with stock eccentrics no problem. My technition told me I was about to the limit using factory travel limits. So, if you do a larger than 1 inch spring drop you will need additional help to align. Also, as a side, my technition asked me to sit in the driver seat while he set the alignment specs with me in the car. Just a little something extra I have not heard of before my alignment. Car looks and drives much better as you might expect.
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Old 02-23-2010, 01:43 PM   #25
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I plan on installing my Pedders coilovers next week with a 1.5" drop. I'm confused, I hear some say I'll be fine without the alignment kit...is this true?
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