Hello my good friend,
Thank you for your positive reply.
I also found this guy Brian, who recently did it in a 4x4.
He did it South to North,
Keeping your options open
Looks like a perfect route.
Saudi (diesel 4p a liter !)
Ferry to Sudan, then the regular run down to Cape Town.
I really do need to miss out Egypt, as I will spend far too much on a 800% carnet for Egypt.
My vehicle is over £10k as are others in the possible group.