Us and euro gtr can run ron 95 but factory mapswill cut output, with cobb ap you are able tune the engine to run 95. I've got mine tuned at 1 bar stock everything 480whp and 1.2 bar 500whp however advisable to go 97 with that map.
hello there,im currently studying in japan but im from perlis.I just bought my dream car..FD3s rx7..it runs smoothly and fast but when it comes to idle,it keeps on hesitating betwen 1400~1700 rpm..what could be the...