The term rupture can be taken literally, if one of the knuckledraggers had a
pnematic grease gun in the shop. Fire that on there too long, she'll blow.
| > You are right. He did say that. But, I don't know of these rupturing
| > because
| > they had so much pressure behind them that they blew out by force. Do
| > you? I'd guess it broke, split or cracked, either because of
| > weathering, road debris and dryness or a combination of all these
| > rather than inside air/grease pressure. Anyone I've seen thats seemed
| > to have "ruptured," had
| > a pretty small hole in it and adding grease slowly oozed out of it.
| > The hole being about the size of a pencil lead or smaller.
| > Even at that they still held a substantial amount of grease. The
| > internal pressure would only make it ooze till it equalized with the
| > outside pressure.
| Well he did clarify that the boots were simply cracked due to lack of
| grease. The term "rupture" implies that they broke due to to pressure
| though, hence my first impression.