Hmm.. my Tobecco v2's oring is much tighter.. Seems to always unscrew the chimney unless its really cranked on.. And then the cap still wants to 'pop' off. Which was a mess once..
Thats funny, the tobeco v1 didnt have an oring in the top cap so I got the top fill cap from FT. That was an improvement but a looser fit than vox's v2. Same as you, the chimney goes up or down with the tank and top cap the fit is so tight, I spin the chimney on one turn and then cap it and button it up to get the chimney about 1.5 or 2 turns up from the base once its snugged up.
Maybe its the Gucci new top cap they are using on the v2.5 that's machined out a little different than my stock looking v2 top cap.
Correction, top cap is the same as my v2, stock lookin... not Gucci
Personal favorite look anyway.
After messing with his there is no issue filling at all like others have reported with the full size tank v4. Plenty of room between the tank and chimney.
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Haven't heard of a steel oring... makes no sense to me.
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