Nvincent, you are lucky to have had a Dad pass that along. Exactley how I got my start. It's a lost art though, very rare that Father/Son talents are passed down anymore....and the tech schools teach parts changing as that is the efficient way for a dealer service dept to get cars in & out.
My grandfather was a mechanic all his life, from the 1920's to the 80's when he retired and my Dad was a stockcar driver in the 50's.
You have knowledge that is hard to be taught even today unless at a specialty school.