Gedders, still, let's start this off with.. what do YOU think the changes will be?
You mention a variety of things.. but you don't have anything specific or anything behind it.
You mention 'strategy changes' ... what changes specifically?
Tire compound choices... such as?
Length of car... like what? Shorter? Longer? Why.
Get a train of thought going, and then we might be able to help you out.