well, here is some of the info I have, sorry took so long to respond.
I run a BMI TC3 on a track with a 96ft straight and is about 36 ft wide. In general the carpet is alittle slick as we have run purple / plaid combo and even when sauced they have alittle drift to them.
I run tan / cyan now and that seems to grip much better.
I pretty much has the stock carpet setup other than the following:
1. tires as stated
2. 60W front, 40W rear as track as some bump to it
3. yellow springs front, gold in the rear
4. 3mm droop front, 2mm droop rear
5. 4mm ride height
6. chassis length short ( spacers in front of rear carrier )
7. battery position to the front
8. stratus body ( RTR model
9 . BMI chassis conversion
10. old style front and rear arms
11. no sway bars ( on order )
this setup got me into the A-main, and I think the only issue I am having right now is that I want alittle faster change of direction but I don't want the rear to be too loose. I tried going to a red ( 22 lb spring I believe ) in the rear and it did what I was looking for but was too loose. I am thinking to get alittle more change of direction I am going to run the sway bars front and rear first and then maybe look into a shock oil or shock position change in the rear.
I don't want to deviate much from this setup as it feels close to dialed on this track.
By the way, the Reedy fan works great, it even worked great on my Reedy Spec 19 turn motor ( silver can model ) that has the endbell sealed up more than normal. Great little unit, just tweak it some so it stays on better.