I have a pulse detector for the heavy mineral and deep stuff, but the GMT has advntages (chasing black sand and tailing piles). I am interested in any mod to hot rod the GMT and anyone with info on coils. I have a background in electronics and am a DIY'er.
ps how does one search forums for here?
Thanx for any help...
Kenny
ps how does one search forums for here?
Thanx for any help...
Kenny
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