Got sucked into the semester, didnt get around to looking at it till now. Thanks all you guys for the advice, really couldnt ask for any more (although I probably will, eventually )
Z, I will take your advice, start simple and work my way up from there - and perhaps from the top I will see that an even simpler still solution is better. Definitely wont be making big changes this year, mostly try to learn and validate as much as I can - mess with tire data, have a yaw sensor, and see if the car is taking advantage of its tires properly.
I've learned an interesting bit about the wheel size choice from a past member, but it is fairly unrelated to this and will probably start a big discussion, so I will post it separately.