I don't recall if anyone mentioned it, but you will definately need to extend the breather hoses from the front and rear diff's, especially with the 864 rear springs. The rear breather is stretched a bit on 864's unloaded. I run the 850/864 w/ 1.5" spacers in the front. Unloaded it rides like a pickup truck, but loaded it is much better. It is not the smoothest of rides with the normal loads I carry every day. The rear bumper that is on order will make things much better.
On the water end of things, I hate filters. They clog and waste calories
. I use either chlorine or a saturated iodine solution. One comercial option is Polar Pure. It is a rechargeable, saturated iodine solution. With a bandana, stove and iodine I have drank and purified water from some sketchy places on three continents (my favorite was 5 days from the 'yak pooh pool'). In any event, I would recomend taking this Polar Pure iodine solution (not the tablets) as a backup. There is no taste with the solution unlike the tablets. It does take some forthought though.
Others have added their two cents on spare OEM belts and hoses and a good quantity of rubber fuel hose and 5/8" hose for on road repairs. Make sure your cooling system is in order, ie radiator flushed, new t-stat, fan clutch, etc. Don't forget a good set of metric tools in case you need them on the road. You might want to look over your mechanic's shoulder as he/she does the work just to familarize yourself with the vehicle, unless you already are.
Good luck and have fun.
Ross
On the water end of things, I hate filters. They clog and waste calories
Others have added their two cents on spare OEM belts and hoses and a good quantity of rubber fuel hose and 5/8" hose for on road repairs. Make sure your cooling system is in order, ie radiator flushed, new t-stat, fan clutch, etc. Don't forget a good set of metric tools in case you need them on the road. You might want to look over your mechanic's shoulder as he/she does the work just to familarize yourself with the vehicle, unless you already are.
Good luck and have fun.
Ross