They're a great idea except: If you want to get the most oil out per drain, stick with what ya got as the threads stick into the pan a bit and raise the floor and thus leave a tad more in there. Probably not enough to matter, but I don't have a clear oil pan to check.
If your oil drain plug is parallel to the ground, you'll likely not have clearance issues.
Also if the valve is oriented in a way that road debris would open it, the plastic clip is cheap insurance.
And don't worry about oil pressure, the pan isn't pressurized, and the oil can't rotate a ball valve- if it could, everyone's outdoor faucets would be turning themselves on.
07 3s 5dr:
KW V1s, Whiteline Front, Carbotech,
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