LOL no ... god no buddy I have never done an oil change in my life. All I do is open my hood and look at it for good luck.
Hey Phil, I think you could do a plug test. It's just a matter of doing it in order and ONLY 1 at a time. My plug wires are numbered so I could do all 4 at once but I would reccomend 1 at a time for someone's first time. The test that is being reffered to sounds a bit like my test that I did last summer. There was about a 1 mpg increase(give or take), but at $7-8 a plug I don't think it's very cost effective.
Horsepower is how hard you hit the wall, torque is how much of the wall you take with you.