i m building a 4agze ae92 map ,ported head,match ported inlet ,270deg cams,got a t25g but now have upgraded to t28bb
with the t28bb is it laggy and what rpm does it start to work

the gze injectors start to lean out at 11-12psi with a turbo and std computer or at 160-170kw u can run the 13b turbo injectors which are 550cc just check the plug there are two types or 7m? injectors are 440cc and they fit