15 Oct 2017

Being in Charge with a Dual Battery Management: Part 2, the DCDC charger

Touring 4x4s need some sort of dual battery management system..should that be a DCDC charger? In Part 1 Steve Cassano explored why he needed a dual battery management system, and is now exploring the benefits of a DCDC charger. What is a DCDC charger and how does it work? A

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31 Aug 2017

Monocoque 4X4s – should you be afraid?

Back in the late ’90s the Pajero NM caused a stir with its monocoque construction.  Seventeen years later the worries have come to naught, but nevertheless there’s a fair bit of misconception about what monocoque construction actually is. LET’S TAKE the example of an ancient aeroplane, one with a wooden

Robert Pepper 0 Read More
25 Aug 2017

Xplaining BMW X-Drive

One of the most sophisticated all-wheel drive systems comes from a marque you’d not normally associate with offroading. BMW’s all-wheel drive system is called X-Drive and is fitted to all of BMW’s softroaders which at present are, in order of increasing size, the X1, X3, X4, X5, and X6.  The

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09 Aug 2017

Why Toyota is wrong about the LC70’s manual/automatic hubs

Toyota changed the LC70’s hubs from manual to automatic/lock. That’s a backwards step. A PART-TIME 4X4 like the LC70 has to run in 2WD on the road and can only engage 4WD on surfaces that permit slip between the front and rear axles. This is because it lacks a centre

Robert Pepper 2 Read More
08 Aug 2017

How are corrugations formed?

You’ve seen them and hate them, but how are corrugations made? THERE HAVE BEEN several scientific studies into exactly how corrugations are formed, and the answer is definitive and simple.  You get corrugations any time large numbers of wheeled vehicles travel over a soft surface at speed. Exactly how they

Robert Pepper 2 Read More
03 Jul 2017

What’s the difference between torque and power?

Is there a difference between power and torque? ASK ANY CAR ENTHUSIAST about power and torque and 90% of the time they’ll say they know the difference, but actually…they don’t. Yet us 4×4 people take it as read that torque is good, and power is, well, umm, don’t we really

Robert Pepper 0 Read More
29 Jun 2017

How far do airbags extend?

Most offroaders mount things inside their vehicles, but there’s airbags to worry about. MODERN VEHICLES have plenty of airbags, and when they activate – actually, more explode – then you really don’t want anything between you and the bag.  Pretty simple rule, but just how far do those airbags extend

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22 Jun 2017

All About AdBlue, Diesel Exhaust Fluid (DEF) and Selective Catalytic Reduction (SCR)

More and more 4X4s have AdBlue fitted, so it’s time to learn more about it. BEFORE WE GET INTO ADBLUE, a bit of background. Diesel is dying. Yes, the fuel us offroaders swear by, the one we have paid thousands of dollars for over petrol, is on the way out.

Robert Pepper 3 Read More
07 Jun 2017

Know your 80 UHF CB channels

UHF CB is free to use inter-vehicle communication, but there’s still rules to follow. You can’t randomly pick a UHF channel and use it for offroad touring or any other purposes you like. Here are the channels you CANNOT use except for their designated purposes: 5 and 35 – emergency

Robert Pepper 3 Read More
02 Jun 2017

Diff Drop Options on a 4×4 with independent front suspension

Those wanting to challenge their 4×4 off-road will need to lift it but independent front suspension presents a challenge.

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