Hopefully i will get to replace my wheel studs with longer ones some time in the near future. Some people say knocking them out is fine, others say draw them out with a ball joint type extractor, and some knock them back in, others draw them in with some spacers/washers and a spare wheel nut, oh, and never use a impact air gun. In most cases they say do it one way but never the other, and there doesnt seem to be a definite consensus on either way! I was going to knock mine out and back in, with the hub in each case on the bench. So, how would you do it?