Quote: Well while I will agree that math plays a role in this equation there are no absolutes to it. That is one place you will certainly have an issue with the math theory. I have read Morgans book and sometimes it is just as simple as math. I consider the math a good starting point that will get you in the ballpark. After that you have to try different things to see what is optimal for your car.
Having a little more intimate knowledge of the car in question I think the 140's are worth a shot no matter what.
