On the other hand, Nissan found out that these engines demand too much effort to maintain in these types of Levels of competition. So, they launched the sport version RB26DETT N1 block. eight in) to increase air velocity and small stop torque) especially the RB25DE NEO which experienced two inlets https://elliottjbtix.tkzblog.com/31049952/5-essential-elements-for-nissan-skyline-rb26-engine