Ideal Alignment Specs
11-15-2006, 08:37 AM
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Ideal Alignment Specs
What are the ideal alignment specs as far as camber is concerned? Need the best compromise for handling and treadwear......
11-15-2006, 10:05 AM
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Street tires are designed [optimized] for negative static -0.5 degrees camber max.
A good indicator is the EXACT midpoint of the wide oem camber range;
Unfortunately the suspension camber gain curve as the body rolls may not be sufficient to hold this -0.5 as the body rolls depending on the steering angle.
Camber and caster should be equal as close as possible [no more than 0.2 degree] side to side......otherwise the car will drift to the left or right.
A good indicator is the EXACT midpoint of the wide oem camber range;
Unfortunately the suspension camber gain curve as the body rolls may not be sufficient to hold this -0.5 as the body rolls depending on the steering angle.
Camber and caster should be equal as close as possible [no more than 0.2 degree] side to side......otherwise the car will drift to the left or right.
11-15-2006, 12:44 PM
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depends on what you use your car for. if you're driving a lot of curves, more negative camber will reduce wear on the outer edges. and you i don't think you can adjust camber on a stock z.
on my miata, i have -1.2 in the front, -1.5 in the rear, but that's geared towards fun driving and track days rather than commuting. i'll go more negative in the front next time i align it since it wasn't as tail happy as i thought it would be at the last track day. slight toe out in front, toe in in the rear, caster maxed out (just over 4 deg i think)
on my miata, i have -1.2 in the front, -1.5 in the rear, but that's geared towards fun driving and track days rather than commuting. i'll go more negative in the front next time i align it since it wasn't as tail happy as i thought it would be at the last track day. slight toe out in front, toe in in the rear, caster maxed out (just over 4 deg i think)
11-15-2006, 06:17 PM
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The problem is the more negative camber the less effective the tires are in staright ahead braking.
He asked for "compromise for handling and treadwear".
He asked for "compromise for handling and treadwear".
11-15-2006, 06:35 PM
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As far as Camber -1.5 is about as much as you want to go without getting really excessive tire wear. I would suggest going 10% more camber in front than rear due to most of the weight of the car being in front and you will want good bite from the rear from a stand still.
As far as Toe - for straight line front and rear - toe in slightly, for turning front toe out and reear toe in both slightly (1/32")
The best thing to do is buy a cheap pyrometer (<$100) - learn how to use it and it will tell you what the ideal set up is for you type of driving!
As far as Toe - for straight line front and rear - toe in slightly, for turning front toe out and reear toe in both slightly (1/32")
The best thing to do is buy a cheap pyrometer (<$100) - learn how to use it and it will tell you what the ideal set up is for you type of driving!
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