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Going Ventless? 120-130

Old non-PCV system just used a "road tube" that the crankcase vented through.
If you give up on the vented cap you will draw air past the crankcase seals (and rocker cover seal if not very good). This is likely to draw dist with it too (not good!).

Later units had a vented cap that was "all inclusive" meaning it had filter media of some sort inside and metered holes under the "handle" part of the cap (think mushroom).

--
Mike!






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