If you are going to spend so much time trying to add mathmatic and scientific justification to this argument you had better quit pretending that everything outside of your specific equations is fixed. There are way too many variables to consider here.
Like DerekB said... no one cares bout that here.
I still say we be done with the evil stock motor class and instead run all mods, but have class separation by the number of cells. 4cell Mod becomes the stock class and 6 cell Mod remains. 19T is a bad idea all around lol and a subject of debate for another thread on another day! lol