Voodoo Lab

With my GCX I have a GMajor2, BBE Sonic maximizer (rack), and a ISP Decimator Pedal(noisegate).

What order should they be in?
thanks!

That is entirely up to you, but I would run the G-Major last in the chain. It isn't a noise source, the time based effects won't get chopped by the gate, and there is no need to "sonically maximize" the effected signal in my opinion.

So basically your saying...
ISP--->BBE--->G Major 2 correct?

I'm saying run the G-Major 2 last in the chain, I doubt it matters what order the other two are in as long as they are before the processor. You don't need to gate the BBE and you can't really maximize a gate sonically.