everyone rekons that BNP is all hell, however they have some pretty valid points, such as the amount of moscs getting built over here in our country its a joke at one time, it would have been a massive sin to even think of that.
by the sounds of things the wheel is in the drop outs wrong. you should have spacers on the inside of the drop outs before the snail cams, this way when you tighten the bolts the drop outs come closer together and the spacers fill in the 30mm. so to put it plainly, you need spacer, not new snail cams.