I just checked the Burton homepage. Since the Vapor has the Alumafly core I think you can pretty much forget splitting that board. AFAIK Voilé mentions somewhere that only solid wood core boards are suited for self - splitting.
A factory made Alumafly split would be killer though.
I f you have the skills ti mill out some of the core between the base and the top sheet and the inserting wood stringers it might work.
Otherwise like I said, forget it. Don't destroy that nice piece of hardware.
Oh one more thing: the channels along the middle might be you only hope that it could work.
The vapor I have in mind is the first edition and has the three hole pattern. I have two of them 157&162. The 157 is broken in half behind the rear binding so I want to experiment with cutting methods on it. Do you think the halves would be too weak in ski mode?
You are probably going to have to use some sort of cold weld material like JB to hold the new inserts into place being that you are joining metal not wood and metal and prongs. You will not be able to use the T-nuts that voile provides for the touring binding, or the pucks. You can use unpronged T-nuts like the ones included in the slider track, or as you choose at Ace, or Home Depot. Ace has a better selection of T-nuts, including some that can be used with brads. If you choose those the will not puncture your Alumifly core. They will but up to the base, where they can be joined with the cold weld. G-flex probably won't work here as it does with wood cores, so I would look into a good p-tex.
How are the Chips supposed to work if the board is cut? It seems like a waste of a Vape to me.
Monk split a t6 for me. It's still holding up just fine. I would ask him about it. The pucks were fine because it's actually wood under the bindings. Where chinese and tip and tail clips go was tricky though. He said be worked with an engineer on it. He apoxied the cut edge to seal it and it's been working great. The board is awesome, we'll just have to wait and see how long it lives.
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If I was splitting a board, I'd use a jigsaw such as the Bosch - they are variable speed and have an adjustable orbital action to the blade that will gently gnaw the material away. I used one once to do a VW bus roof conversion and it was amazing.