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Old 08-11-2013, 06:51 PM   #201
Nitroman28

 
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Wanting to see if I can get some alignment specs for my setup.

Wife DD's the car and I Drag Race it on the weekends (No fast corners for this car). Started having wheel hope so I changed out some of the Rear parts.

Cars around 600rwhp A6

Changes:
BMR Lower control arms (They are shorter then the factory arms)
BMR Adjustable toe rods
BMR Adjustable trailing arms/bushings
Eibach Pro-Kit #38144.140 springs

DD on 22's
Race on Weld 5x17/10x17

Don't mind a little extra wear on the rear tires.

Thanks for any help with this..

Last edited by Nitroman28; 08-11-2013 at 09:44 PM.
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Old 08-20-2013, 11:00 PM   #202
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I have a 1LE that gets driven on the hwy ALOT. I had the dlr check the alignment and reset it at 1500km and then I noticed the inside of both right tires were missing at 15000km! The dlr took the car back, has replaced the right side tires and is redoing the alignment again.

I don't want to lower the car but want to improve the handling of it. My concern right now is before I change anything under it I need to know this alignment works. Is there a better alignment spec for a 1LE than what GM suggests?

Im thinking that because of the softer tires, the "perfect" alignment is more crucial.
Do I stick with what the dlr does or should I suggest a little refinement and if so what should it be.

After we get it right, then I want to make it stick to the road better. I see the bigger rear sway is suggested but most references I read are about lowering the car.
Suggestions?
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Old 08-20-2013, 11:20 PM   #203
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Quote:
Originally Posted by Nitroman28 View Post
Wanting to see if I can get some alignment specs for my setup.

Wife DD's the car and I Drag Race it on the weekends (No fast corners for this car). Started having wheel hope so I changed out some of the Rear parts.

Cars around 600rwhp A6

Changes:
BMR Lower control arms (They are shorter then the factory arms)
BMR Adjustable toe rods
BMR Adjustable trailing arms/bushings
Eibach Pro-Kit #38144.140 springs

DD on 22's
Race on Weld 5x17/10x17

Don't mind a little extra wear on the rear tires.

Thanks for any help with this..
Get the rear camber to 0, or maybe +0.1 if you can get the camber moved that much with those arms.

Set the rear toe to +.20 to start with, you might need to play with the toe a bit to get it right, but i'd start there.


Quote:
Originally Posted by 1LeSS View Post
I have a 1LE that gets driven on the hwy ALOT. I had the dlr check the alignment and reset it at 1500km and then I noticed the inside of both right tires were missing at 15000km! The dlr took the car back, has replaced the right side tires and is redoing the alignment again.

I don't want to lower the car but want to improve the handling of it. My concern right now is before I change anything under it I need to know this alignment works. Is there a better alignment spec for a 1LE than what GM suggests?

Im thinking that because of the softer tires, the "perfect" alignment is more crucial.
Do I stick with what the dlr does or should I suggest a little refinement and if so what should it be.

After we get it right, then I want to make it stick to the road better. I see the bigger rear sway is suggested but most references I read are about lowering the car.
Suggestions?
Good Tire Wear and 1LE are not things that will typically go hand in hand. To get the best handling, you will loose tire wear, and vise versa. It's a trade off.

Do you have a printout of the alignment before and after it was last aligned?
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Old 08-21-2013, 11:38 AM   #204
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Do you have a printout of the alignment before and after it was last aligned?
See if this works
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File Type: pdf alignment.pdf (409.6 KB, 101 views)
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Old 08-21-2013, 11:52 AM   #205
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Well, the first thing i notice is they are using the FE3 specs for the 2010 and 2011's, and not the FE6 specs that your car takes.

i don't have the FE6 specs in front of me right now, but i think you will find the specs are closer to being correct for the FE6 than they are for the FE3.

The front toe is set for being more aggressive, like the FE6 should be, but tire wear will be a side effect,

i really need to find the specs for the FE6 before i can give you more advise,
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Old 08-21-2013, 12:03 PM   #206
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FE6 specs attached
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File Type: pdf fe6.pdf (330.1 KB, 84 views)
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Old 08-21-2013, 12:12 PM   #207
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GREAT JOB!

Just get the toe fixed, the camber and caster are both perfect for the specs.

Front and rear toe are too negative vs the stock specs,
i'm not sure why the place that did the alignment didn't fix the toe on the front or the rear, being that the specs for toe are the same across the board.

with that said, front toe closer to 0 (more negative) will give you better performance, but more tire wear as you have experienced.

all and all, not too bad, just needs to be tweaked a little,
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Old 08-21-2013, 12:52 PM   #208
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Why have the FE5 & FE6 gone to less caster?
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Old 08-21-2013, 12:56 PM   #209
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not completely sure, i'm guessing because of the larger front tires or electric steering settings
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Old 08-21-2013, 02:29 PM   #210
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Quote:
Originally Posted by Rob@WretchedMS View Post
Get the rear camber to 0, or maybe +0.1 if you can get the camber moved that much with those arms.

Set the rear toe to +.20 to start with, you might need to play with the toe a bit to get it right, but i'd start there.




Good Tire Wear and 1LE are not things that will typically go hand in hand. To get the best handling, you will loose tire wear, and vise versa. It's a trade off.

Do you have a printout of the alignment before and after it was last aligned?
Are you saying .20 total?

Here's what it's at now.

RR -0.2 LR 0.3

Toe R .10 L .11
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Old 08-21-2013, 02:51 PM   #211
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correct
your toe looks good bu the camber difference side to side needs to be fixed
even camber is critical
both sides need to be the same
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Old 08-21-2013, 04:39 PM   #212
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Rob, got my car back from the dlr and its now aligned like you suggested.

So whats my next Peddler upgrade to improve the stability of the car. This is a 1LE.
JusticePete had mentioned a "permagrin" kit he had for the 1LE. I've pm'd him a couple times to get the details but he must be on holidays.
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Old 08-21-2013, 04:50 PM   #213
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Old 08-21-2013, 06:26 PM   #214
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Glad I found this thread since I know almost nothing about alignment. What kind of alignment would you professionals recommend for a 100% street ZL1 with 900+ rwhp on 20" wheels that's looking for as much straight line traction as possible?

Would love to get a professional recommendation
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Old 08-21-2013, 06:41 PM   #215
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Glad I found this thread since I know almost nothing about alignment. What kind of alignment would you professionals recommend for a 100% street ZL1 with 900+ rwhp on 20" wheels that's looking for as much straight line traction as possible?

Would love to get a professional recommendation
Pedders Strip in the rear. Factory specs up front.
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Old 08-21-2013, 08:05 PM   #216
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Hey Pete,

pm sent
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Old 08-22-2013, 06:54 PM   #217
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Pedders Strip in the rear. Factory specs up front.
Thanks a lot for the suggestion, much appreciated.

Any idea if lowering the car (lowering springs) will effect its straight line traction from a roll?
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Old 10-10-2013, 12:12 AM   #218
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Thanks a lot for the suggestion, much appreciated.

Any idea if lowering the car (lowering springs) will effect its straight line traction from a roll?
Better late than never?

Lowering increase negative rear camber. The lower you go the higher the negative camber increases. The factory camber adjustment eccentrics have 1 degree of adjustment in them. For straight line power application we want the rear tire to be square to the road or track surface. That means we want to be -0.50 camber. Once you drop your 5th Gen an inch, you'll need the Justice Pete Rear Camber eccentrics with 2.00 degrees of adjustment to get there.
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Old 10-22-2013, 03:57 PM   #219
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Need alignment help for a car that is mostly driven on the street but will see drag strip 2-3 times a year with 17x28x10 slicks and skinnies. Eibauch Pro 1" lowering springs, BMR Toe rod ends and BMR Trailing arms. 665rwhp, 659rwtq auto with 2800 stall.
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Old 10-23-2013, 01:39 PM   #220
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Need alignment help for a car that is mostly driven on the street but will see drag strip 2-3 times a year with 17x28x10 slicks and skinnies. Eibauch Pro 1" lowering springs, BMR Toe rod ends and BMR Trailing arms. 665rwhp, 659rwtq auto with 2800 stall.
This is straight forward.

Front Toe 0.00
Front Total Toe 0.00
Front Camber -1.00
Rear Toe IN +0.12
Rear Toe IN Total Toe +0.24
Rear Camber 0.00 or as close as you can get to 0.00

The only alignment issue you'll face is the range of the OEM Camber Eccentric. The OEM Camber Eccentric is good for 1 degree of adjustment. With you lowered Camaro the best you'll get is -.80. If you use my eXtreme Range Rear Camber Eccentric you'll have 2 degrees of adjustment allowing you to get to 0.00 or very close to 0.00.

Part Number HW-CAM8-R-CAM-ADJ



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Old 10-23-2013, 07:18 PM   #221
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thanks, looks like I will be checking it to a set of these... Part Number HW-CAM8-R-CAM-ADJ May as well get it right the 1st time...
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Old 12-31-2013, 03:18 AM   #222
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Anybody have a recommendation for an alignment for a daily driver that drag races at least once to twice a month. Have never autocrossed but hoping to try it soon. So basically something that might be a good all around without extreme tire wear. Oh and I will have the fe4 pedders conversion setup with the pedders zl1 front and rear bars. Oh and I have the pedders rear camber bolts
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Old 12-31-2013, 08:12 AM   #223
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Quote:
Originally Posted by JusticePete View Post
This is straight forward.

Front Toe 0.00
Front Total Toe 0.00
Front Camber -1.00
Rear Toe IN +0.12
Rear Toe IN Total Toe +0.24
Rear Camber 0.00 or as close as you can get to 0.00

The only alignment issue you'll face is the range of the OEM Camber Eccentric. The OEM Camber Eccentric is good for 1 degree of adjustment. With you lowered Camaro the best you'll get is -.80. If you use my eXtreme Range Rear Camber Eccentric you'll have 2 degrees of adjustment allowing you to get to 0.00 or very close to 0.00.

Part Number HW-CAM8-R-CAM-ADJ



Quote:
Originally Posted by lscamaro View Post
Anybody have a recommendation for an alignment for a daily driver that drag races at least once to twice a month. Have never autocrossed but hoping to try it soon. So basically something that might be a good all around without extreme tire wear. Oh and I will have the fe4 pedders conversion setup with the pedders zl1 front and rear bars. Oh and I have the pedders rear camber bolts
what he said
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Old 12-31-2013, 03:36 PM   #224
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what he said
So this alignment over the aggressive street?
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Old 01-01-2014, 12:34 AM   #225
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no, you will be fine, the drawback is the lack of camber in the rear will effect the cornering a bit, but it's not aggressive for the street.
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