My '72 isn't in perfect rust free shape, but it's not that bad, either. Saturday my bro-in-law was riding w/ me and when he went to get out the door wouldn't open. It was hanging up on the stiker plate. Then on Sunday there was no problem. Could it be the body mount bushings (which are original and really trashed)? If so, would it be worth replacing them even though I'm a couple years away from a frame-off resto? HELP! "High compression engines take longer to start!"