This is no shit. My friend went to the NASCAR technical institute for 2 years and graduated.
I was telling him about how someone on here asked why if our cars have single overhead cams that when you bought them you had to buy 2. I expected him to laugh. NO.
He said, and I shit you not "I guess the manufacturers are just trying to sell more of them and make you buy 2 at a time."
I also had to change his UV joint for him
Wire up his tach, he didn't know where the wires went (he had the ground right)
Walk him through a brake change
And don't even get me started about his understanding of timing
That was 2 years well spent