Hi guys, who here has upgraded their fuel pump? I am looking at the Walbro GS series (255lph ) I have read online that it is not a direct fit? Anyone with experience?
I've tried 550cc injectors on RB20det (that means 6 units) with SAFC 1 blue screen, the car can still run, but it's too damn rich on fuel, even if everything is set to -50% and even with fuel regulator installed...