Sorry, no help here about the thor clearomizer. But I would recommend getting some T2 (eGo 2.4 ml CC (changeable coil) clearomizers) at The Veteran Vaper.
http://www.theveteranvaper.com/ego-2-4ml-cc-long-wick-changeable-coil-clearomizer-clear/
http://www.theveteranvaper.com/ego-cc-long-wick-replacement-coil/
The second link is to the replacement coils. These are easy to use and very good -- just my opinion. And welcome to VT!