Hi everyone, i have the rb20det, just rebuilt it,and its jus ran inn. im hoping too install 550cc injectors, not sure what brand yet though, and i want to uprate the fuel pump too, any suggestions on what brand and what problems could i face, also it is not mapped for 95 octane, is this neccesary to be done? my knowledge on the fuelling of skylines isnt great, any advice would be great, cheers