|
C5Z is a better track car for sure. It's a bargain for the performance. With more power you will go through things faster, though. Tire consumable will get you, too. Is the performance worth the cost? Up to you. Good thing is that you don't need to add reliability upgrades for track use (so long as you have the batwing oil pan).
FR-S tends to get boring on bigger tracks. No power for straights in 4th gear. Boost fixes that but then you add another point of failure to the car, which already has track reliability things you have to take care of. Add more power and you go through more consumables. Parts are slightly cheaper and tires are about 1/2 the cost even with a 245.
E36 M3 is in between the two. Not terribly slow for track use, not too fast where you go through consumables a lot, not expensive to get into.
And there is no reason to get $4k + coilovers for the 86 on track. Spring/travel matters more than damping on most tracks. A decent set of singles will get the job done, and there are plenty of low buck choices with the right spring rate.
|