#49480, "RE: -AN fitting sizing information needed" In response to In response to 10
do not use different size line, if you do and you are turbo, using a fmu, you will get too much restriction on the return line and you will not be able to lower your FP past like 35 for idle. if you are going to do this, either choose one or the other, i would recommend -6 all the way. that is what i did