Oil: Cooling, flow rate and whats best? No answer; just thoughts. Options

[Cracker]

I've been thinking of this lately...

So when selecting an oil filter, there are variables such as flow rate, surface area of the filter itself and line size restrictions. So when using an external oil cooler, which in theory, would work most efficiently "holding" the oil for longer, extracting more energy in its exchange - does it make sense to use the "lowest" flow rated filter that conversely meets the maximum demand of the engine?

This is relative with any engine that uses oil; and that oil gets hot - not an oil cooled/water cooled issue - neither are immune and both could benefit from the most efficient set up.

Many "oil filters" claim hi-volume flow rate (28 gallons per minute!) - whats that good for if my max engine oil flow rate at WOT/Max temp is 6 GPM? The obvious opposing theory is that the longer oil is contained in an engine - the hotter it gets.

So what would be the perfect formula for engine temp and oil quench? What say you?

Tony

[Chris914n6]

The largest contributor to less filter flow is how many microns it filters down to. Some brands are better than others but for the most part they all work well enough to keep the bearings happy.

Factory oil coolers are cooled by the radiator, so there is really not that much of a drop below ideal operating temp.

The volume of oil flow is calculated. Reduce it for any reason and you risk spinning bearings.