by taresk on Fri, 27 Jan 2017 7:35 +0000
There's no one-size-fits-all pressure, different tyre construction, different tyre size, different tread, different vehicle weights, suspension, terrain, it all has an impact on what pressure works best.
All you can really do is experiment, probably best to stay above 15psi unless you're desperate for traction, and keep in mind HT's don't handle sharp rocks very well, so take your time.