Mar 9, 2007 #41 I imported_JoshVette New member teker said: What is the mix of ONR you use for the engine bay? Click to expand... I use the same concentration as I prep the wheels and wells with before I wash, I believe it's a 10:1 ratior or 1 ONR - 10 water.
teker said: What is the mix of ONR you use for the engine bay? Click to expand... I use the same concentration as I prep the wheels and wells with before I wash, I believe it's a 10:1 ratior or 1 ONR - 10 water.
Mar 10, 2007 #42 tom p. Active member I think Optimum suggests 1 Oz. to two gallons of water as a standard dilution:
