Whites surf pi mods | TreasureNet 🧭 The Original Treasure ...
Detector (s) used. 1280,excal,pi pro,sea hunter 2,x terra 70. May 24, 2010. #6. Re: Whites surf pi mod's. The Surf PI is definately a good machine but there is room for improvement. The PI Pro is a better machine than the Surf PI for small gold and the Dual Field is a better machine than the PI Pro. The Dual Field has an adjustable pulse delay ...