Originally Posted by THE TECH
Not gonna work. The tunes aren't swappable from car to car.
I do realize that they are locked to the VIN but putting tunes on the same car is in reality the only true way for a 100% accurate comparison.
At the very least I think both guys should be running stock wheel and tire sizes....... Maybe someone can loan the gentleman with the 305's a set of stock wheels/tires to make the comparison a little more legitimate!