Quote:
Originally Posted by The HACK
I believe the S54 comes with a "semi-dry" sump design, where the wet sump in complimented by a secondary oil pump, or the dry-sump to prevent the oil starvation problems common with 100% wet sump designs of the not so distant past.
I don't think overfilling would be helpful on this engine.
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This. Same thing I've found out about our engine as well.
On wet sump engines, people usually put close to a quart over (mostly to avoid lifter tick).
With maintaining accurate oil levels (3/4 on the dipstick range). I never got lifter tick on any autocross day or track day.