so as the headline whas saying is it posible to make arduino megas comunikate toghter so that i would have duble up of pins??
Sure, you could write a sketch to do that. A pair, actually, one for each device.
where can i find a sktech for this
Well you could check out Bitlash, which might be suitable for your project:
You could write a program for master unit A to drive Bitlash on slave unit B.