LOL... Op, why the disagree?? you say your customers get mind boggled because you explain. You say all they want is the car to run good. So bolt it on and give them a good running car. If I get a prescription from the doctor, he don't explain all the ingredients, and I don't care. I want it to work, clear up the infection, or whatever. Sounds like this is how your customer wants it. So be it. Bolt it on and give them a good running car.
