Advice on My 60 Series Crusier

Hi Guys

I have a 60 series Crusier with 2" lift on it, I have just purchased a 190L Long Range tank, and twin wheel carrier, as well as a rooftop tent. My concern is that their is already a fair weight in the back end and thats even before draws, fridge, camping gear and passengers?

Any thoughts as to whether the suspension will be OK? Or should I look into upgrading the suspension? It dosnt appear to sag when loaded but Im unsure how it will hold up out in the Simpson or up On the Cape Tracks

Any comments would be great

Cheers