Stim wrote:
When ever possible you need to set/adjust pressure when tires are cold/not driven.
Sidewall numbers are maximum pressure.
For Standard load/P-tires and XL/extraload/reinforced tires thats true and the pressure needed for the maximum load/maxloadpressure/reference-pressure is respectively 35 psi and 41 psi , so lower then that max written on sidewall.
But for C-load/6PR tires and up this pressure written on sidewall is that maxloadpressure// and the maximum pressure is higher .
Once concluded maximum pressure to be 1.4 times the maxloadpressure//.
And even stiff american TRA allows 10 psi above maxloadpressure/ for LT tires and ST tires, and even 20 psi above it for Truck-tires ( but when may we call it a truck tire, think from G-load/14PR).
so if the valves can stand the higher pressure , and mostly they do, you are even allowed to go over that maxloadpressure// written on the sidewall. Would give some extra reserve for peakloads for rear often needed. But for front not needed.
And that is what TS should first determine , if its only the pressure or if the suspension is at the silentblocks, as I suggested before.
But now I realise that it can also be at the other end , so suspension lifted to almost the top of it. The pressure part is cheap to chanche but needs some care that you dont go to low.
Read a topic on the Belgian camperforum. The man went to my country Holland Rotterdam to a company that did the suspension springs for also armoured cars around the world .
A long story , but weighed first per wheelposition and determined the hight difference R/L and from that data determined the new stronger springs to put on , and even R/L different. He was verry happy with it at the end. His suspension was also at the end almost against the silent blocks.
No bumping anymore.
