[Mxfarm]

That's sure something I'll have to look into - however, once one runs red fuel thru a system the red dye stays for a good long while. And they'll be happy to verify that anyway they need to - including opening the system if necessary ( pull a filter, return line, etc. ). Don't know yet about the Newell but a few of my diesel rigs have had clear lines @ some point on the return side - just for verifying that. Once you run dyed fuel the red tint never leaves.