Solid Axle Vs Ifs. Ifs is simply more civilized than a solid axle suspension. Hitting a bump or pot hole or obstacle causes the steering to be thrown off resulting in vibrations and oscillations throughout the steering system up to the steering wheel.
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Look at the picture. Whilst the solid axle moves everything together and the pumpkin gets in the way of obstacles. If you re new to these car types an ifs car is easily identified by a narrower front end and diagonal supports going to the front tires below whereas a solid axle has a straight axle going between the front tires above.
A solid axle moves with its pumpkin in the center therefore this is a point that easily gets hung up.
Components wear in both. There are more moving parts needed to allow each wheel its own axis of movement. This is the higher tech suspension option for sure. For rock and hill climbing solid axles are more durable and have slightly better traction.
