for almost 30 years. helped him with very MINOR stuff like helping him lift a tranny while he gets the bolts in and things of that nature. I HATED getting my hands dirty and still do EXCEPT when it's on my car or my friends Z. The Z was the only car I ever started on or worked on and my 1st task has been the timing belt change. To me everything's one big puzzle. take it apart, put it back together.