I've not yet changed the oil on the Amigo since I've owned it. That question will be answered sometime in the nebulous future.
BTW, the PCV set up doesn't recirculate the oil, it burns it. Basically the canister just replaces the PCV itself so the 'closed loop system' remains unchanged except for these 2 benefits:
1. PCV is subject to fouling fairly easily since the internal plumbing is pretty small & the canister doesn't.
2. less pressure is allowed to build up inside the valve cover since you don't need to overcome (open) the valve inside the PCV.
Mebbe the trick is the secret I accidentally found. Long tubes running to the canister on a slightly uphill slope. That way, the oil in the gasses can condense & run back into the valve cover.
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