You could try replacing the PCV valve.
AC Delco CV774C or Fram FV393 are PCV valves that will fit the 572RB engine.
They are on ebay for $22.
There may be less oil in the intake.
You could try replacing the PCV valve.
AC Delco CV774C or Fram FV393 are PCV valves that will fit the 572RB engine.
They are on ebay for $22.
There may be less oil in the intake.
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