I was 6 when my Dad brought home the 70 Roadrunner that would start us on a lifetime of Mopar. Although my Grandpa was a Kendall Oil rep, he didn’t know which end of a hammer to hold and knew nothing about cars. But he did I still in us a love for cars through drag racing, circle track racing, tractor pulls, whatever Kendall sponsored, he went and we wanted to go with him. Before the Roadrunner, Dad had a Vista Cruiser wagon, and my brother and I got the notion that since we were so into racing that we could make Dads car go faster, so one day before we were going to the drive in that night, we filled up Dads gas tank with water from the hose, and the neighbors car too. Come time for the drive in, the car wouldn’t start, and my Dad and the neighbor were scratching their heads wondering why the car wouldn’t run. The neighbor girl was perplexed too, and matter of factly blurted out…”I don’t know why it won’t run, Greg and Geof filled up the tank with some super racing fuel”. Umm, yea! Was that my first foray into working on cars?
When my Dad got the Roadrunner, he and his buddy Ron would go over to Telegraph Rd to find some trouble. Ron had a 70 Hemi GTX, and Dad a 6bbl Roadrunner. Try as he might, Ron could never beat Dads car. When Ron would come over, my brother and I would slide under the front of his car and stare in awe of his big chrome oil pan!
As for working on stuff? We did the same things you all did, worked on our bikes incessantly, pounded forks from another bike on the end of the forks of our favorite bikes, got a mini bike, then a dirt bike, and finally a car. I got my first car for $100, it was a 69 Mach 1 Mustang, but I never got it to the road. I was probably 14, but had already been working on tractors and all manner of farm equipment. My first running car was a 70 GTO that I paid $850 for.
So I would say for me, the Mustang was the first car I remember actually working on, unless you count the super racing fuel incident!