Several "Power Chip" upgrades are available in Aust for 4WD
Specifically Nissan in my case. As these units tend to run warm in any case under towing loads, it seems to me that upping output would create problems. Plus maybe blowing gearboxes. Have any members had experience with...
In short,no. Fuel age is not critical with carefully stored fuel, blended with top quality components.
Even with some water absorption, most fuel still performs satisfactorily in a wide range of applications, just look out for bearing corrosion.
What is critical is whether synthetic or castor...