alright so i ordered the
http://www.airsoftparts.ca/store2/in...1693069fce3d79, inserted the spring guide into the compressed side of the spring, im going to grease up the piston head and rails more, only use 4 bushing rather than 6 (as the instructions mentioned for the TM cloned mechboxes).... hopefully this will help.
and since i have a M100 or M110 (i forget) spring, i should be getting high ROF and FPS with this setup?