Originally Posted by MR_P_BODY
You still have too much air volume before it gets to the pump.. 2 -12 lines is a lot
wave


Went out today. Started the car.
One day later and I have oil pressure immediately.

So why do I lose prime in 3 days?
Wouldnt the oil drain out the filter overnight?

Would a check valve at the lower -12an fitting on the pump prevent this from happening?