Yeah, XD-Fs haven't fared well with age, thats for sure.
They're still reliable as f@$k though, and if you thought it was slow wait until you get behind the wheel of one on LPG - the dizzy isn't the best design for LPG and won't let you get optimum performance out of it.
My one, in the dirt, you'd have to throw it around like mad to do fishies, and the only reason why it would do them is because of basic physics lol, not power.... body roll ftw