Your mechanic said you have overhead cam? LOL, Ask him where in the head do the cams go, since you would have to have 1 for each head.

 

Yeah that's kind of what I thought. Even I, a proven idiot at engines, knew that wasn't right.

I know what phenomenon causes this. He works at his own pace and has more than he can do, and he is too nice to say "I'll get to it when I get to it" but just enough dishonest to make stuff up. Hahahahah. Oh well I can handle it.