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Join Date: Oct 2010
Location: Franklin, TN
Posts: 5,900
Quote:
Originally Posted by RichardNew View Post
Tires are definitely not the issue.

You want adjustable sway bars if you don't already have them.

If you won the championship take very small steps. You're already faster than the other guys. Don't adjust yourself out of a pretty good setup.

Everyone likes adjustability but it can bite you in the rear. You usually have a 50% chance of going in the right direction
Wow. Where to start?

If you would read the first post in the thread again, the OP said he has adjustable Tarett anti-roll bars front and rear.

Who said tires are the issue?

In case you have forgotten, the issue is inside front tire lift. The problem is that the front of the car is much more roll stiff than the rear. You can't adjust the roll stiffness of the car without affecting chassis balance. As I wrote previously, if the chassis balance feels good to the driver and the car behaves the way the driver likes, altering the chassis balance to reduce or eliminate the tire in the air problem is not an option. You can't just alter anti-roll bar settings to change the behavior, as you suggested, without affecting chassis balance.

If the goal is to eliminate or reduce the inside front tire lift issue, something must be done to increase the grip at at the rear of the car relative to the front. Why? Because increasing the grip at the rear relative to the front AND keeping the chassis balance the same would require stiffening the rear of the car or softening the front. Putting wider tires on the rear is probably the best option.

Since the car will perform better and more predictably with all four tires on the ground, keeping the front inside tire on the ground as much as is possible is a worthy goal. If the OP is smart, and I am sure he is, he will make note of his current chassis setup before he goes and makes changes.

If the goal is to fix the inside front tire lift issue, "small steps" really aren't an option.
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Scott Winders
PCA GT3 #3
2021 & 2022 PCA GT3 National Champion
2021 & 2022 PCA West Coast Series GT3 Champion
Old 07-29-2016, 08:40 AM
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