this post may make more sense if you also read the planned expedition section:
Robert
I will post up some picture or the Nissan GR axles tomorrow. I bought them from a Spanish scrap yard off a burnt out 02 Nissan GR and had them shipped to the UK. We rebuilt them completely, they are an awesome axle and good for Challenge events. I particularly wanted the free wheeling hub's which worked well with my remote transfer box on the 110 tomcat (Nemo).
The pictures show my overindulgence with Powder coating. But for me being of simple mind, I sort of color coded everything underneath. And our attention to detail continued in that all the nuts and bolts throughout the whole build on Nemo we converted everything to either 10. or 14 millimeter heads. Ok this as a bit over the top, we eventually relented and accepted a third socket of 19mm. so this reduced the tools required. And i Knew in the dark were i was going and that in the main my ratchet would conquer all.
For Info on the Dakar, what would you like to know? I have never competed. Although we came very close once:-(. I have ran support crew twice. I guess the biggest bit of advice i could possibly give you there is get Sponsors. It costs a bucket load of cash to enter, and compete. It isn't for your every day driver anymore,,, Or for a long while. Its a money game, Big money. With that behind you you are 9 tenths of the way there. I haven't Given up hope, keep the sponsors happy and do the right events and you never know. Maybe for my 2009 campaign. And seriously I am thinking that way now and starting to put my ducks in a row.
Tires were an issue for me in my planning for the the North, I run on Simex, and love them. which is Cool coz they sponsor a bit

... But seriously extreme trekker two's are the dogs bolloks. But too aggressive a tread for below -50. Because the freeze factor and cooling period would leave the treads on the ice when I restarted.
We looked at a couple of other products available and I can give you some pointers.
But seriously, I looked at your route again, and the time of year you intend to tackle this trek. In my opinion it is nigh on impossible to cover that ground in January. The temperatures drop below -90 and there are no roads. Only a good team of reindeer with Rudolph up front can get that far north in January.
I was planning on coming down from Magadan in December. Last container ship in before the sea Freeze, and the best time for the ice roads/rivers. I have never heard of anybody venturing further north at that time of year.
If you are going for this in January, I am amazed and intrigued. I wish you well and will follow your progress closely.
As I stated earlier, I think the GR axles are excellent for challenge events, But not something I would consider needed for driving the snow and ice.I really would consider keeping things as tried and tested as possible, And therefore as close to stock. Things break in the cold, And when they do its a nightmare. We did some Pre-testing with Lara a couple of years ago in Norcap Norway. And even small issues became huge problems. I had my Eberspacker heater roof mounted and vented. It had worked fine forever-and then stopped. At -45 we really needed that heater. It was a simple fix, the diesel had frozen in the pick up tube to the motor. I had ran the line in the wrong place up the side of the vehicle so it needed it to be de-thawed and re-routed.. The body isn't willing to turn those spanners in the cold. And all things plastic are too britle.We froze are ********'s off for two days. Until I found a nice warm garage to pull into and de-thaw and correct the problem. My point is that if you are going were nobody else travels at way below -60 you have to be Sooooo well prepared. And prepared to get out and fix things When the body isn't willing. You will have no garages, Its cold. Keep things super simple and tried and tested. And drive to the vehicles capabilities. You arn't in a challenge event or competion so Slow and steady is the way.
Quite frankly I think you are mad! In the nicest possible way
Will post axle pic's in the am. They are on my lap -top... So cant attach now.