I have a 1965 pv544 and my car runs great only thing is that when I drive around for a bit when I stop at a light or a sign I put it in neutral and go to put it in first gear but it doesn't want to go in. It doesn't grind or anything I have to jam it in to first. I'm not sure if it's misaligned or I need a new transmission mount. It's a lil frustrating because most of my driving is on the streets. Suggestions?