Ford 272 C.I. runs low 11's. Why do Mopar guys need 408's?
No, **** was the exact correct word.
Until you have personally tuned something fast you should bow out and talk about what you know.
The quicker and faster a car is the harder it is to tune. Margin for error gets slimmer by the tenth.
One last thing. If you think your 20 second van (or whatever it runs) is more affected by a head wind than a 8 or even 9 second car you need to study some science and physics and then do the math.