Those cars will have been designed without the need for intercooler. A stock starlet with will Def heat up more if you slap a turbo on it ( hence why glanza has intercooler standard) and even that gets pretty hot hence why most people change it out. no offence but this project seems to be more of a gamble every day. your plan is to get boost out a DIY supercharger so why go assumptions like " it will probably only make little if any boost so won't need a,b,c & d. Not hating Bro just think if your going to do something do it right the first time