Of course there's stuff you can do, but eventually you'll get to the point on the evo where the four cylinder can't be tuned anymore, but the rx7 has waaaaaay more potential in its engine than the Mitsubishi does, I mean rotaries were pretty much straight up designed to be turboed, they love high revs like crazy I dunno, I…
1986 Nissan 300ZX, bright red, called the Red Comet. No exterior mods, but eibach springs, link sport shocks, hks blow off valve for the turbo, straight pipe exhaust
I like the ae86, obv, the 300zx which I don't have yet, and the rx7 I wish they had the first gen 300zx, I got one of those IRL, they only got the second gen