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Old 07-03-2013, 05:44 PM   #188
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Quote:
Originally Posted by Orange Crush 1LE View Post
Hi all, new 1LE owner!

I've searched but couldn't find an answer on best road course alignment for an all-stock 1LE with the factory Goodyear F1 Supercar G2's. I may soon pick up a second set of wheels with slicks, so I'd like the alignment to be a compromise between the Goodyears and slicks. This car handles so damned good, I'm not sure if I want to mod anything other than an aggressive track alignment and high temp brake fluid! I may change my mind later, but this is where I'll start.

My car is a 50/50 track/street car, not a daily driver. It's priority is the track. I'm okay to sacrifice some additional tire wear on the street with the payoff of better handling at the track. The Camaro's maiden voyage is on July 20-21 at Thunderhill.

There's a local performance alignment shop that is exceptional. They are recommending a lot of camber in the front, and stock camber in the rear, to solve the Camaro SS's understeer problem. Well, the 1LE has already reduced understeer significantly as compared to a stock SS, and they have no experience with a 1LE. So this is new territory for them. Here's what I'm thinking for the stock 1LE:

Front:
Camber: -1.9 to -2.1 degrees
Caster: 8
Toe: 0.2

Rear:
Camber: -0.9 to -1.1 degrees
Toe: 0.2

If anyone knows the stock 1LE alignment specs, that would also be useful.

Feedback is much appreciated.

Thanks!
1LE OEM



The shop is on the right track.

Front Camber -2.2
Toe 0.00 is better than OE, but 0.25 per side out is much better than stock.
Caster is good, but not adjustable on the 5th Gen with slotting the radius arm bolt holes and using Pedders eXtended Range Eccentrics.

Rear Camber 1/2 the front camber i.e. -1.10
Rear Toe IN 0.10 per side Total Toe 0.20
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Old 07-03-2013, 07:19 PM   #189
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Thanks JusticePete, that's just the info I was looking for!
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Old 07-12-2013, 09:18 AM   #190
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I have a 2010 ss on stock suspension with just trailing arms. 275s in the front 315s in the rear. What would be the best setup I should go with for a street car that almost never sees the track?
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Old 07-12-2013, 04:02 PM   #191
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Originally Posted by RBL View Post
I have a 2010 ss on stock suspension with just trailing arms. 275s in the front 315s in the rear. What would be the best setup I should go with for a street car that almost never sees the track?
Follow the Aggressive Street

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Old 07-17-2013, 10:32 PM   #192
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I'm looking to realign my car, I am going to autocross maybe once a month and don't want anything too aggressive because I drive this car every day. I have BMR trailing and toe arms and pedders bushings. Any ideas?
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Old 07-17-2013, 10:41 PM   #193
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Originally Posted by camaro34 View Post
I'm looking to realign my car, I am going to autocross maybe once a month and don't want anything too aggressive because I drive this car every day. I have BMR trailing and toe arms and Pedders bushings. Any ideas?

Aggressive Street

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Old 07-19-2013, 10:05 AM   #194
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Thank you sir
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Old 08-03-2013, 01:05 PM   #195
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Hi I have a couple questions. soon I will be installing my fe4 sway package and 1.25 lowering springs and bushings from pfadt the bushing are from bMR. I will be putting new wheels also. Fronts will be 20x10 275/40r/20 and rear 20x11 315/40r/20. This car will not see the track it's driven in the summer only on nice days. My question is what would pfadt recommend for an alignment and when I install my sways what would be the best setting to use. Thanks for any help!
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Old 08-05-2013, 09:39 AM   #196
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anything? anyone?
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upgrades kooks 1 3/4" LTH w/ high flow cats, roto fab cai, corsa exhaust, rx catch can, hurst short throw shifter. stage 3 comp cam, 3.91 gears 445rwhp 410 rwtq all installed and dyno tuned from slowhawk performance.
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Old 08-06-2013, 06:12 PM   #197
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Originally Posted by lakersftbl69 View Post
anything? anyone?
Use the aggressive street and enjoy your 5th Gen.

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Old 08-11-2013, 02:56 AM   #198
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Pete,

Do I need the Pedders Alignment bolt kit to achieve the aggressive street alignment specifications?

My current alignment specs are:

Front Caster 6.1/5.5
Front Camber -0.9/-1.1
Front Toe 0.09/0.08
Rear Camber -0.4/-0.05
Rear toe 0.09/0.08

I already have Pedders street 1 bushings, 1le sway bars and chromoly trailing arm with poly bushings. Would I benefit much from camber plates to get to -2.5 front camber at autocrosses or the road course with Michelin PSS 275/35 20 street tires on all four corners? Or would you recommend coil overs or perhaps a rear sway bar as my next suspension upgrade? The car has slight under steer right now when pushed hard into the corner and slight over steer coming out of the corner hard on the throttle.

Thanks in advance for the help.
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Old 08-11-2013, 01:04 PM   #199
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Caster if not adjustable from the factory so to increase caster the answer is yes. In an OE height car the rear camver bolts should bring you very close to the desired rear camber spec. Once lowered, you'll need the Pedders rear camber bolts.

Our 32mm rear bar with the 1LE 27 front is pretty amazing and a bargain given the increase in performance.

After that, coilovers with camber plates.

Does this help?
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Old 08-11-2013, 01:52 PM   #200
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Thanks, that's the information I needed. Do you think I should increase front camber to -1.25 before going back out to the track again or should I put the rear bar on and see how it performs? I had -1.2/-1.4 front camber previously and loved the way it turned into corners. Seems like the 32mm bar with -1.25 camber might be the sweet spot for now.

How important is caster? I know it affects straight line driving but I don't really understand its role in autocross or road course handling. Does it keep the car from wandering on the straights?
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Old 08-11-2013, 06:51 PM   #201
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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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Quote:
Originally Posted by Rob@WretchedMS View Post
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, 133 views)
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