Woot, future sweedish cup champ right here. Looking forward to seeing it.
For brake pads, the important information is how much temperature you're going to be putting into the pads first IMHO. How big are the rotors on the car and what's the weight (sounds like 3500-4000)? Some small amount of brake ducting should go a long way to help for practice sessions.
I'd likely start with something like a dtc-60, as in my experience they hold up to the temperature well (hawk's chart state they operate well for a lot longer than the blues with temperature, so lines up with my experience). Blues basically fall off at 900-1000f, dtc-60 are good until 1400-1500. They also have similar friction as the blues, slightly higher. For what it's worth, they worked well on my saabaru with 13" rotors, wilwoods and a race weight of ~3250. My temp gun said I was getting things up to around 1300 and the heat paint on my rotors agreed (550c to 650c was the area, likely near the 650c paint as it was starting to change). There are other brands that will fill the same role as a dtc-60, but again the important thing IMHO is going to be temp tolerance with a car that heavy.
As for tires, I think it depends on the class and goals but for 200 treadwears the TLDR is something like:
- a052 is the outright fastest - Likes some `stretch` on a rim to be at their fastest (255 on 10" rim for example, a slight stretch). Sensitive to heat.
- RT660 - 2nd/3rd fastest? Less heat sensitive and doesn't care as much about a stretch (can mount a too wide tire on a rim and still get very close to maximum performance from the tire. Much stiffer sidewalls). IMHO these are the new re71r, similar tread (a little worse in the wet).
- naankang CR1 (or CRS now) - 2nd/3rd fastest? Haven't driven these myself but folks have said they have great grip in a slide or with some slip angle.
None of those are going to last all that long, though the rt660 should be dramatically more durable than the other two.
If you're not looking to be ultra competitive in a class, you could slot in a more value oriented 200 tread wear that will last a lot longer. RS4, rt-615+, the kuhmos, etc.
GRM has a great chart that breaks things down better than I can. It's not the end all, be all but it's very handy for figuring out which tires to try.
https://grassrootsmotorsports.com/artic ... ers-guide/