Metal Zone with G2D Morpheus noise gate

[ddpawel]

I noticed that the G2D Morpheus Distortion has a great gate noise. I see the possibility of applying it to other high-gain effects.

G2D Morpheus schematics is available here:
http://forum.musikding.de/cpg/albums/userpics/16474/G2D_Morpheus.pdf

Metal Zone:
http://www.hobby-hour.com/electronics/s/schematics/boss-mt2-metal-zone-schematic.gif

Noise gate circuit starts at IC1A:pin1 and ends before Level potentiometer.

I conclude that it would be almost the same in the "Metal Zone", but  starting with IC3B: pin7 (problem here is the gyrator EQ curve, compared to more linear Morpheus one). Another place could be the beginning of an electronic circuit, just between Q011 and C039.

What do you think about it? How do I change the layout or gate to work with the Metal Zone.