Quote:
Originally Posted by kmarei
keep in mind
higher air pressure = less grip
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Whew! Now you've done it!
What a can of worms you've opened!!!
My only comments on what
always turns into a long and opinionated debate on every car forum:
IT DEPENDS!
It depends on the actual pressure: Too low pressure reduces grip, increasing it increases grip and reduces slip-angle up to the point of carcass deformation when it then begins to reduce grip (usually at very high pressures).
It depends on the road surface; optimum "grip" occurs at a different pressure on snow or sand than on asphalt.
It depends on the static loading of the vehicle and will typically be different for the front and rear tires.
It depends on the driver's preference for a car that has some understeer "push" or oversteer "loose"
It depends on the vehicle's polar moment of inertia
It depends on suspension geometry
It depends on damper dynamics
It depends on specific tire internal construction
It depends on tire temperature
It depends on road surface temperature
It depends on many other factors.
IT DEPENDS!