Question

write 4 necessity of camber

Answer 1

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In cars with double wishbone suspensions, camber angle may be fixed or adjustable, but in MacPherson strut suspensions, it is normally fixed. The elimination of an available camber adjustment may reduce maintenance requirements, but if the car is lowered by use of shortened springs, the camber angle will change. Excessive camber angle can lead to increased tire wear and impaired handling. Significant suspension modifications may correspondingly require that the upper control arm or strut mounting points be altered to allow for some inward or outward movement, relative to longitudinal centerline of the vehicle, for camber adjustment. Aftermarket plates with slots for strut mounts instead of just holes are available for most of the commonly modified models of cars. There are certain other aftermarket solutions that allow modifying camber angle of the wheels[1]. Camber bolts with eccentrics allow adjustable camber on some vehicles. These bolts feature large washers that are either eccentric or offset. This turning will make insignificant change (up to 2 degrees) if the OE bolts are replaced with eccentric ones. Control arms (or A-arms) with adjustable ball joints is the other solution to allow side-by-side adjustability. With these control arms installed, tire camber can be effectively changed by simply moving the tires. Then, one tightens the bolts to lock the ball joint in such position. Adjustable length control rods is another aftermarket solution for camber angle change. Though, this is a solution for the vehicles, that employ control rods, not a-arms. Control rods locate suspension points and keep them in place, hence changing overall length of the rods influences the camber angle.

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