ok,welcome CD
do put your fuel in from the bigger and busier depots where they have fresh fuel preferably from bp cause their cetane rating is 51,caltex is 49 so your truck will run better with higher grade fuel do use CHEMTECH diesel power ok our trucks love this stuff it also stops the dreaded diesel bug (YOU WILL LEARN ABOUT THIS)
keep your eye on oil consumption and the colour of the oil it will get BLACK this is normal,but most of all smile when you drive it because we are fortunate to have such a great piece of engineering