Prusa i3 A602 Metal X carriage

Hello , i have a Prusa i3 A602 and the X carriage is made with 2 SC8UU pillow bearing blocks , i whant to modify this metal extruder holder into E3D V6 hotend , the biggest problem i encounter , i can not use some posted X carriages here on thingiverse because the rod distance 45,5mm on my A602 .
If some nice person could modify his carriage if it would fit on my Prusa i3 A602 that i can put the E3D V6 bowden hotend and captive proximity sensor on it.
Thanks in advance .

I like this one very much : http://www.thingiverse.com/thing:408852