BTW, I use a 4 qt sump even on the 20B. I don't
understand the appeal of great big oil pans. Why carry all that extra
weight
The bigger pans make sense if you are
using the OMP from the pan. I made my custom pan at 8-quarts for that reason;
but when I go to premix I’ll probably carry 5-6. My ‘low oil’
light comes on below about 4 quarts.
BTW; is there an issue with a bit of
mineral based oil mixed in with the synthetic? When I drain the oil there is
still about ½ quart in the oil cooler, and I’m sure some in other lines
and other places.
Al