Anyone use a DF-17 adjustable PCV?

Mattax said
Check the ME wagner instructions. My recollection is that on low vacuum engines, the recommendation is to set it up with the fixed orifice.
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True, and I already checked them :)
7-10", use the dual adjustable;
Below 7", use the fixed orifice.
Mine idles at 8" and cruises at 15"...