Common 4X4 Myths Busted

Many 4 wheel drive owners go their whole life without any formal training in going offroad or the vehicles that we use.  Because of this, there are many myths about driving and our vehicles which have crept in over time.

We talk to 4WD expert Robert Pepper about many of these myths, how they came about and why they just aren’t correct.

You’ll have a better understanding of your car and you’ll be a better 4 wheel driver.

We discuss diff locks, recovery techniques, axels and a whole range of other 4 wheel drive myths!

 

This article was originally posted by 4X4 Earth.

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Comments 1

  1. If you take a wide tyre and place only one side of the tread on the ground, the tyre will flex until an equivalent amount of tread is touching the ground, which will typically increase the length of the contact patch.

    At the end of the day, wide tyres are better in all offroad situations than narrow tyres. In soft surfaces, a wide tyre will have to displace more material for the vehicle to sink, giving a lesser tendency and more time before it sinks.

    To draw extreme examples to illustrate the point, a bicycle with narrow tyres and rider, even though they only weigh about 100kg, will readily sink into sand. Whereas a monster truck, even though it may weigh about 5 tonnes, will hardly notice the difference between driving on sand versus hard surfaces.

    Yes, narrow bicyle tyres are typically at much, much higher pressures than monster truck tyres, but that is part and parcel of narrow versus wide tyres. If desired, wide tyres can be run at much lower pressures and still hold the weight of the vehicle.

    In ruts, a wide tyre is more likely to find higher ground that a narrow tyre, meaning the wider tyres reduce the risk of the diff etc touching the ground and halting progress.

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