I think Robert has the history down. This seems to be the only time that a woman can tell a story and the man listens to every detail.
It is my Boss, Jim Downing's car. It was given to Dave Jolly (Mazda Driver). Any very good job at describing the differences. There may be more details. I'm sure most were observed and someone will post here.
BTW, the car is for sale, if you have a serious offer over $6K. PM me and I will get you to in contact with Mr. Downing. I am seriously thinking of purchasing. I just really need to know I have support from my friends to justify me owning it. I'm waffling, saying I should not pass it up, to I would want to drive it all the time and I should only drive it to meets to preserve the history. I dunno. It does need a good owner who will continue to preserve the history.