hey guys just wanting to no what usually stuffs up with rb20s, Its been put into a s13 so i could be anything i guess. so the story goes its hard to start it will fire at first then die so ya have to give it some revs to get it idleing then its idles perfect, then when ya start to rev it starts missing, took it for a spin. starts to miss when taking off. hits boost and its all good,
any ideas?? its got new plugs,gtr fuel pump, fmic as well