Greg's Wade extruder NEMA 23 for bowden extruder

I'm building my own core xy reprap, with large print area. I want to use a bowden extruder, but my nema 17 motor can't handle it.
So I'll try to use one of my nema 23 before to buy a geared motor or try something different.

2015/11/17
Print today. Looks fine :D
Now I have to test.