Nice choice of color. Kinda partial to that one myself. [] Welcome to the forum, can't help ya with the ORP since I haven't done that but I'm sure someone here can tell you.
be careful w/orp. most are designed in such a way that, 1 it touches an o2 sensor. 2 in many cases the design as caused major prolems w/ the svt header.
Congrats and Welcome to the FF Forums...I only know of 1 ORP, I'm not sure of there being more than one. I purchased mine from Ray Dixon at www.myfordperformance.com
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