[Nick S]

Originally Posted by X25

Nick you're exactly right. Due to this, you need to make sure you don't create too much back pressure since once the bypass valve opens due to too much pressure, you're no longer flowing all the oil through engine, and it is the flow, not pressure that ultimately lubricates the engine!

If your pressure climbs somewhat linear to your RPM, you know that the flow is increasing linearly, too, and bypass is not engaged. If the pressure platoes, then bypass valve is opening up.

So what does the "EP" in the oils you listed above stand for? European Blend?

Thanks.