Tuesday, Apr 24, 2018 at 22:38
but if you still want to live with nearly 50 year old thoughts, then you are most welcome to
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The first thing you learn when working in the motor industry is cars never stop changing. When I started one of our customers had a 1928 sleeve valve Falcon Knight. That was not the only car from the 1920s that I worked on.
When I left it was twin overhead turbo charged electronic everything.
If I was using tyres from Cooper or Micky Thompson for example, I would reduce the pressures because their information brochures tell you to do it. They, and a few other companies, don't make standard specification tyres like a 205 x 16 LT or a 7.50 x 16.
I fitted new standard spec. 205 x 16 Goodyear Wrangler TGs when I bought my current car. I then rang Goodyear's customer information number and was told to use the pressures in the car's handbook, don't reduce them in off road conditions and never exceed the factory recommended pressures by by more than four psi. They also said each 1 psi increase at the rear when loading the car will support 70 kg.
I thought do I follow the advice of the people who made the car and the tyres or the "experts" in 4x4 magazines or net forums. I chose the first and have never had a problem. I have used the handbook pressures everywhere from sealed highways to major desert roads to seriously remote tracks including a few that Len made. The pressures look too low but they work and do not wear the outside edges of the tyre as would be the case if they were under inflated.
Those tyres are now thirteen years old and have been used close to
home on a trailer for the last three years. The replacements on the car are Bridgestone 697s . They are the same size and specifications as the TGs. So far they have been from
Sydney to
Darwin and back via
Cameron Corner,
Innamincka,
Boulia and down the Donahue and Plenty Hwys to
Alice Springs. The whole trip was on the handbook pressures and everything worked perfectly.
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