I was running a 2jzgte in my mkiv for many years with many different turbo set-ups eg. twin blitz,twin gt30, single gt30 ,gt3540,gt4245 with many different exhaust housings.Last 2jzgte made 650 rwhp.Now I am running 1uzfe TT 14.7 lb 585rwhp .What a differance the extra cubes =
bigger mid range...