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Old Mar 25, 2008 | 01:30 PM
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If I've missed this in Search please accept apologies in advance :o but here's the question. I have the Z06 width wheels/tires front and rear on my 03 Coupe. In other words, one inch wider than stock. Also have the F55 suspension. I have the alignment set for Z06 specs and not for regular C5 specs, given the wider tires; but the question is, have I defeated the purpose of the F55 or otherwise tried to be too smart for my own good? i.e. should I revert to the stock settings, or is the difference too little to matter, or...? Thanx in advance!
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Old Mar 25, 2008 | 10:33 PM
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I don't think tire width would cause an alignment problem. If you track your car, I tihnk you'll benifit from the Zo6 settings.
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Old Mar 26, 2008 | 06:57 AM
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Originally Posted by TheRadioFlyer
I don't think tire width would cause an alignment problem. If you track your car, I tihnk you'll benifit from the Zo6 settings.
I don't track the car. More precisely I was wondering if changing to the Z06 settings - however great or small that change is - would adversely impact the performance of the F55. Can't see why it would but then again I'm no engineer.
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Old Mar 26, 2008 | 07:38 AM
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Originally Posted by pastorbrad
I don't track the car. More precisely I was wondering if changing to the Z06 settings - however great or small that change is - would adversely impact the performance of the F55. Can't see why it would but then again I'm no engineer.
The Z06 alignment, for example, puts more camber on the front tires. This will not affect your F55 suspension, but what it will do is put more tire on the road in hard cornering. If all you do, for example, is highway cruising, the added camber will cause the inner edges of your tires to wear very quickly, and since you aren't doing "hard" cornering, have no benefit.

The Z06 alignment is intended for people who take their car to road courses, or Auto-X type events. For a "daily driver" type vehicle it will cause uneven tire wear for little added benefit. Regardless, the Z06 alignment won't "hurt" your F55 suspension.

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Old Mar 26, 2008 | 07:57 AM
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Originally Posted by BlackZ06
The Z06 alignment, for example, puts more camber on the front tires. This will not affect your F55 suspension, but what it will do is put more tire on the road in hard cornering. If all you do, for example, is highway cruising, the added camber will cause the inner edges of your tires to wear very quickly, and since you aren't doing "hard" cornering, have no benefit.

The Z06 alignment is intended for people who take their car to road courses, or Auto-X type events. For a "daily driver" type vehicle it will cause uneven tire wear for little added benefit. Regardless, the Z06 alignment won't "hurt" your F55 suspension.

Ah, now we're getting somewhere! I did notice the additional camber at rest and there was an increased feeling of security ("taking a set" in the corner, as it were) on the highway ramps. The wear looks pretty even, though. I should also add that I've got the Z06 bars in place of the stock, which alone improves the cornering and stability. Thanks!
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Old Mar 26, 2008 | 01:13 PM
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Originally Posted by BlackZ06
The Z06 alignment, for example, puts more camber on the front tires. This will not affect your F55 suspension, but what it will do is put more tire on the road in hard cornering. If all you do, for example, is highway cruising, the added camber will cause the inner edges of your tires to wear very quickly, and since you aren't doing "hard" cornering, have no benefit.

The Z06 alignment is intended for people who take their car to road courses, or Auto-X type events. For a "daily driver" type vehicle it will cause uneven tire wear for little added benefit. Regardless, the Z06 alignment won't "hurt" your F55 suspension.

And right you are - CF is good, CF is wise - the fronts are worn more on the inside. Nothing serious, but proves your point.
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Old Mar 26, 2008 | 01:27 PM
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Originally Posted by pastorbrad
And right you are - CF is good, CF is wise - the fronts are worn more on the inside. Nothing serious, but proves your point.
As you so accurately describe it, the Z06 alignment definately helps the car "take a set". There is definately an "upside" in handling, but the downside is (depending on your avarage type of driving) uneven tire wear ..... but there are a lot of people who will happily live with the wear issues in return for the better handling ....

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