That Lipo looks well cool in the mini,you trying to break the sound barrier or something?I'd do something to stop the pack moving sideways though,just some little corner brackets on the chassis maybe.
1) What chassis is that on the 18t and where did you get it?
2) What diffs/diff cases are you running in it?
3) Top speed?
Your Maxx is very nice as well and I have one very simmilar, but the 18t on the other hand, mine is all stock except for a Reedy motor and will soon be upgrading everything (including bl and LiPo).
Thanks.