Join Date: May 2005
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My statement was did not contain any specific recommendaed tyre pressures, so I am confused as to why you say it is contrary to the Swift recommendation specific to your vehicle. The B pillar tyre pressures are those recommended by the manufacturer for the vehicle when loaded to the maximum permitted weight for each axle and with the tyres they have fitted. Normally the rear axle has a higher permitted weight than the front, hence the difference. The Swift recommendation would be based on the tyres fitted to the conversion, which may be the same or different. The recommended tyre pressures for a "Camper" type tyre are only correct for that tyre and take into account its construction. They are correct whatever type of vehicle it is used on. If you contact Michelin with the details of your tyres, they will tell you the correct pressures for a couple of typical weights at the high and low end of the scale and suggest that you interpolate from these the pressures correct for your vehicle. They will also recommend that you add 5psi to these weights for the driven axle. To know what these weights are you need to load up your 'van with everything you take on a trip, including fuel and water, and get it weighed at a weighbridge, each axle separately. then you will know that your 'van is safe with regard to tyre pressures. I hope this helps - for historic reasons I am a bit obssesed with getting tyre pressures right.