Originally posted by Raskolnikov
I've always liked having two distortions: One for rythm playing that was all out disortion and a good overdrive (to give a volume boost and more sustain) for leads. The "lead" distortion will probably be more co-operative with your wah pedal.

Hey my man i believe Mr Hammet used a coloursound wah wah on the black album,hence your frustration.There a very old wah wah from the 60's I have two but the only other amazing player that uses this wah is th edge from U2.
hope I could hepl dude
with gratitude joey