What do you guys find so wrong with wanting to build a car that will cruise at a more comfortable rpm on the highway and get a few more MPG? I know a lot of you guys don't really drive your cars but some of us do. What if I told you I'm setting my car up so I can take it on a road trip across the country. Suddenly 2000rpm on the highway and a couple more mpg doesn't sound so bad. You don't want an overdrive, don't but one. Simple as that. I don't understand what there is to over.