Compromise alignment settings....
Thread Starter
Intermediate
Joined: Oct 2023
Posts: 46
Likes: 71
Compromise alignment settings....
Just wondering if anyone has run some compromise alignment settings between the street and the track settings on the C8?
If I'm remembering correctly, the track settings are something like negative three degrees camber in front and negative 2 degrees in the rear. I'm not recalling what's the caster and toe settings at the moment. In contrast, the street setting is something like negative 1 degree camber in front and .5/zero in the rear. Again, unsure of the caster and toe settings.
Perhaps negative 2 degrees in front and negative 1 degree in rear along with appropriate caster and toe might allow for some of the benefits (less understeer) without too much of the burden (excessive tire wear)....?
If anyone has any first-hand experience (not just opinion or internet myth bs) with such alternate alignment settings it would be very interesting to hear/share.
If I'm remembering correctly, the track settings are something like negative three degrees camber in front and negative 2 degrees in the rear. I'm not recalling what's the caster and toe settings at the moment. In contrast, the street setting is something like negative 1 degree camber in front and .5/zero in the rear. Again, unsure of the caster and toe settings.
Perhaps negative 2 degrees in front and negative 1 degree in rear along with appropriate caster and toe might allow for some of the benefits (less understeer) without too much of the burden (excessive tire wear)....?
If anyone has any first-hand experience (not just opinion or internet myth bs) with such alternate alignment settings it would be very interesting to hear/share.
Burning Brakes
Joined: Nov 2022
Posts: 1,047
Likes: 1,108
From: Western Mass
For what it’s worth, I run the track alignment but with 0 toe in the front. Tires are not showing abnormal wear. 5 track days this year and about 2500 miles on the street with that alignment.
Melting Slicks
Joined: Aug 2022
Posts: 2,784
Likes: 3,566
I've run my 2023 exactly halfway between 'factory' (questionable alignment at best) and 'track'. I've been very happy with how the car drives. Understeer is reduced, turn-in is more direct and tire wear is acceptable. I'm at 14,000 miles and just now looking at replacing the PS4S tires. Not bad.
Heel & Toe
Joined: Sep 2024
Posts: 21
Likes: 9
From: Charleston, SC
Yes
I actually suggest running a happy medium between stock and a track setup when the vehicle is going to be driven on the street and tracked occasionally. I usually only do track alignments on race cars due to the high tire wear on the inside of the tires due to the excessive negative camber.
Burning Brakes
Joined: Jul 2023
Posts: 848
Likes: 419
From: Ma
I do the exact same, 0 toe front and back but with track alignment camber. Car does great on track and tire wear is crazy bad on street.
Thread Starter
Intermediate
Joined: Oct 2023
Posts: 46
Likes: 71
Thanks fellas, that's helpful information.
Thinking I might try negative 2 degrees camber front, negative 1 degree camber rear, zero toe front and rear. What's the recommendation for caster? Leave as-is?
Thanks in advance.
Thinking I might try negative 2 degrees camber front, negative 1 degree camber rear, zero toe front and rear. What's the recommendation for caster? Leave as-is?
Thanks in advance.
Racer
Joined: Aug 2009
Posts: 286
Likes: 134
Camber doesn't wear the inside of the tire. Toe does. I have multiple 10's of thousands of miles in multiple vehicles with camber settings the same or higher than the C8 track recommendations. I run zero toe and have had not had tire wear issues. I'm currently running track alignment on my C8 and, as expected, no advanced tire wear.
Run middle ground if you want - you're not gaining anything.
You want zero caster on the rear, and you need to measure it as making camber changes will impact caster.
Run middle ground if you want - you're not gaining anything.
You want zero caster on the rear, and you need to measure it as making camber changes will impact caster.
Thread Starter
Intermediate
Joined: Oct 2023
Posts: 46
Likes: 71
In my experience camber does wear the inside of the tire. That's from 30+ years of track work (PCA driving instructor and SCCA champion) and extensive street driving with a number of exotics from Italy.
Where I've had some luck is with slight toe in at the front, where camber tends to be more negative than rear. A base set up I've run on a lot of hybrid street/track cars is 2 negative front, 1 negative rear, 1/4-1/2 toe in front, zero toe rear....all with appropriate caster F/R. The small toe-in up front tends to slightly "pre-load" the sidewall which helps with turn in responsiveness....and lessens the wear on the inside of the tire from negative camber.
Good point on caster Kjchristoper - got to keep an eye on that when monkeying with camber and toe.....
Where I've had some luck is with slight toe in at the front, where camber tends to be more negative than rear. A base set up I've run on a lot of hybrid street/track cars is 2 negative front, 1 negative rear, 1/4-1/2 toe in front, zero toe rear....all with appropriate caster F/R. The small toe-in up front tends to slightly "pre-load" the sidewall which helps with turn in responsiveness....and lessens the wear on the inside of the tire from negative camber.
Good point on caster Kjchristoper - got to keep an eye on that when monkeying with camber and toe.....
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Melting Slicks
Joined: Aug 2022
Posts: 2,784
Likes: 3,566
Negative camber absolutely wears the inside of tires more quickly than if there is no camber. Ever see one of those rice rocket Subaru BRZs, Hyundai Genesis Coupe, Nissan 370Z that has so much negative camber it looks broken? Next time you do, look at the inside of its tires, guaranteed they're knackered. That is obviously an extreme example but the principal holds.
