mike- try gettign the higher ohm cartos. Vapor-ize has 2.8-3.0 ohm cartos right now in SS, for 9.95 (then you can use 'ecf' as a coupon code to get 10% off that and free shipping)
I use 2.5's also in my eGo and its not too bad but I can see where a true 3.7 v mod it might be...
btw--alot of ppl say these cartos run hot at 2.5 and maybe br can address why (since you can run 2.2 and 2.5 kit attys and they don't seem to run as hot) but consider that the atty is sitting just a few mm from your mouth on this carto...
I use 2.5's also in my eGo and its not too bad but I can see where a true 3.7 v mod it might be...
btw--alot of ppl say these cartos run hot at 2.5 and maybe br can address why (since you can run 2.2 and 2.5 kit attys and they don't seem to run as hot) but consider that the atty is sitting just a few mm from your mouth on this carto...