I think he should be using a WDH on that size van, reason, puts weight onto the front axle. He would have upwards of 200kg on the tow bar which when static is not an issue, then add the extra weight when going over bumps and undulations and the more weight is added to rear of the rear axle which in turn takes weight off the front axle, which is not a real bad issue in a straight line,dry road, then add an undulation through a bend in the road, then add wet weather.....no/poor steering response.
There are countless threads on this issue on the caravanning forums.
I tow a 3.3t van with the WH with a WDH fitted at it sits and rides nicely. I also have a 1.6t van that I tow without the WDH and it sits down in the rear, bottoms out the rear suspension and generally not as nice to tow as the 3.3t van with the WDH fitted. I will be using the WDH with the small van from now on also.
My 2c worth.
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WK2 Overland, KJ, CJ10, FC 170- '79 Chief, 52 Willys pick-up.
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