In reply to Tris:
Hey man, definitely worth a crack! but to be honest, if you are splitting an old board i would recommend using the karakoram bindings.....
they are more expensive but here is why:
factory splits are designed with the split in mind so their performance as a board and as skis is both a good ride and a (relatively) functional ski.
If you split your board, the torsion on the board will not be quite the same and the chatter is likely to be worse, both reducing the ride quality.
the karakoram set up is the future! they actually pull the two sections together which should increase the strength of the board and reduce the effect of the split, whereas voile pucks will only hold the board in place.
If you are planning to get split specific bindings (which i would highly recommend, particularly for improved control during skinning) then the cost of voile split kit and the voile or spark bindings is only £100 or so less than the karakoram kit......
I have an old Voile mojo split and voile light rail bindings, the board is battered and not nearly as well constructed as the current Voile or the Jones boards, but these are stupidly expensive. the bindings are great, but as the board deteriorates with use (i have bashed it a lot in various places, including a lot in scotland!) i definitely feel that the inward pull of the Karakoram bindings and the k-clips would help!
have a look on here for kit, the prices are high, but fair and if you are comitted to get involve the cost will be high but its DEFINITELY worth it!!