On the other hand, since a dry sump system stores oil in an external tank — where 14.7 psi of ambient air pressure is always pushing down on the oil regardless of crankcase vacuum — engine ...

How to Check the Oil Level in a Dry-Sump System on Your Stingray Normally, the engine oil pan does not store any oil but if the vehicle has been parked for an extended period without the engine ...

Does a Vacuum Pump Help Your Engine Make More Power? ... The Moroso oil pan has a full-length dragster type sump with a single -20 pickup located at the rear of the pan.