true mechanic = know how to truelly work on car's not just change parts, can do diag { not just pull a code and hope that part is the failed part } be able to trace and really diag to find the problem and correctly fix it. not working out of someone's backyard { nothing against those guys, but being someone who has been doing this most of my life and not just for fun, but how i put food one my table, i'm the first to admit when i see people posting on here they are mechanics and they know how to work on cars, and really dont or think they do and really dont.ive fixed and worked on more then a few cars, ive worked on about ever line of car there is american more then any other's as well as bodyshop is my background, use to do resto and full blown custom work, interior, install power sunroof's, pop tops, simulated convert tops { like on buicks } having owned 67 cars-trucks , most were just to flip for profit, but before kids id go through 2-3 cars a yr cause i got bored easily, this isn't a attack or put down towards anyone directly, but those of us who do it for a living take pride in what we do and know, my knowledge didnt come from reading hotrod magizine lol even though i grew up on it and couldnt wait for the next issue