Lingenfelter L200010000 Lingenfelter Air Oil Vapor Separator Kit v1.1 - Manual (Page 6)

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5. Route the hose in the top of the seperator
(1” input port) to the valve cover PCV fitting.
NOTE: Be sure to use hose that is compatible
with under-hood temperatures, as well as with oil
and other automotive fluids.
6. Route the middle hose (1” outlet port) on
the seperator to your intake duct.
7. If you are installing this on a motor with a
PCV fitting less than 3/8” diameter, you may need
transition fittings (part # L960060000).
Note: LPE recommends not using transition
fittings unless no other packaging option exists as
it impacts the performance of the oil seperator.
8. Clamp all hoses with hose clamps.