Jim...
the HiF44 incorporates within itself a PCV
port ("graduated orifice") and thus, no additional PCV valve is required in the
line between flame arrestor/oil separator and carburettor.
Remove the in-line PCV valve....not req'd.
at all. And I agree it's probably mal-functioning at this point in time anyway
and is responsible for your current leaking
problem.
Also required with carbs. so equipped is a
"intake air" source to the crankcase.
Thus, if you aren't already running one, use the "filtered" plastic oil cap
used on the '67 (pre-emission) engines equipped with the older "flying saucer"
PCV valve installed on the intake manifold.
(On later emissions-equipped motors, this
intake air source was provided via a line from a carbon cannister located in
the engine compartment which fed a
"graduated orifice" incorporated in the
valve cover)
After you've removed the current PCV valve from the system, but before you
again hook up the hose from the oil separator/flame arrestor to the carb's.
PCV port, run the motor to be sure crankcase pressure/vapors can be felt/seen
emitting freely from the crankcase at this point.
I've not previously known a flame arrester/oil separator to become clogged
but you never know.
Let me know how you make out on this when you get to it.
Cap'n. Bob '60 :{)
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