So, I can speak to this in a couple ways. A lot of factors play into where a car falls onto that 'estimator'. For 1/4mi convertor coupling plays a good part. And who's saying anyone's example is optimized? And at the moment, mine isn't optimized. You can look at SS and stock elims That said, I use these all the time. I like to use them to gage potential so, I like the ones that are optimistic and then target eclipsing them. (That way you know you're doing something)