Baxter Performance oil filter adapter

[Badunit]

I was using the term "oil pressure" as an indicator of when the drained filter and empty oil passages have been refilled with oil. Until then, the lubrication system is not providing sufficient oil to the parts it feeds, it is still displacing air in the system. I saw no reason to get all technical about flow vs pressure or oil film vs oil pressure.

Sponsored

 

[ShadowsPapa]

I was using the term "oil pressure" as an indicator of when the drained filter and empty oil passages have been refilled with oil. Until then, the lubrication system is not providing sufficient oil to the parts it feeds, it is still displacing air in the system. I saw no reason to get all technical about flow vs pressure or oil film vs oil pressure.

Doesn't matter - there's still an oil film.
The rest of my post still applies. You don't need pressure or volume, you need oil film.
The only things that totally rely on oil "pressure" are things like the solenoids that control low or high lift mode, the pins in the intake followers rely on pressure to pull them back, and certain other parts, but that flow is so rapid, it's of no real consequence. The moment that engine is cranking, there's pressure because there's flow through the oil galleries. Some of the oil galleries won't even be emptied.
If you've ever done full engine rebuilds, you'll find that some passages still have a fair amount of oil in them.
Next time you park a Jeep with a PUG engine, change the cluster to show oil pressure and shut it down.
When you next start it, watch that pressure number carefully - and keep in mind the display is actually lagging behind what a true mechanical gauge would show. In other words, as it's ramping up to 70 in the display, the pressure is already at 70 before the number is displayed. And that happens extremely fast.
I've been in the field long enough to be able to say - as long as there's an oil film - there won't be damage.
This is literally a problem that doesn't truly exist.
If it did, no engine could survive for very long at all - let alone go over 200,000 miles with no internal work at all, minimal wear.

Some have studied the science of lubrication, others are tossing guesses into the internet because they haven't and don't fully understand it.

The problem is that when truths are posted, those who don't believe are pissed, offended, whatever, because it dispells what they've believed for years because of what's been read out there.
That's the sad part of the internet. Things that get repeated the most become the "facts".

 

[Badunit]

No need to get all high and mighty about "some people" and "not understanding" and "tossing guesses".

I hope that even you would agree that if an engine with a pressure-fed lubrication system (i.e., one with a pump) took 15 seconds to get oil to the bearings, the oil film on the bearings from residual oil would most likely be wearing thin by then and there would be some wear. How about 5 seconds? How about 2 seconds, after being parked for a week? There may be a point of diminishing returns but less time is better, yes? Zero time would be ideal, yes?

I hope that even you would agree that a pressure-fed lubrication system is not fully up to design conditions until the proper oil pressure has been achieved. Do you agree that low pressure indicates low resistance to flow? Do you agree that this low resistance is because it is displacing air, which means there is air flowing in places where there should be oil? Do you agree that air is not creating an oil film on the engine's moving parts and might actually be displacing the residual oil that had been there?

 

[TheRealStreetcommander]

hope that even you would agree that a pressure-fed lubrication system is not fully up to design conditions until the proper oil pressure has been achieved. Do you agree that low pressure indic

I agree with this in principal. The broader statement I was trying to convey was and remains this:

Pentastar, after closing in on perhaps 20 million units in service, do not have any oiling problems related to cold start.

This oil filter widget is not remotely necessary or beneficial on any objective level. It seems like a well made quality piece. It was innovative.

It IS a solution searching for a problem, and being evangelized desperately in an un-afflicted Pentastar land.

 

[ZeeJay]

Once after reading such bits and bots while back I couldn’t resist it. KOEO located live OP data stream, started engine, found within a second to two seconds OP was up to 70+, literally faster than I could even read digital readout. My trusty 96 ZJ has a high volume oil in the 4.0 since rebuild, armed with an Autometer mechanical gauge in the A pillar is substantially slower on cold start, so the 3.6 wins that contest. It’s a much better high flow pump, and why wouldn’t it be, it’s secondary function in life is mechanically trimming the overhead and as such will require a massive volume of oil to both lubricate engine and mechanically time it also, likely is contributing factor for 0W oil as well. Add to this any oil system drains back, gravity wins every time, however oil is always trapped in every component and if this were a true enough issue it would be headlined everyday “another exploded top end from bad oiling system” and that’s just not the case vs amount of engines produced. This thing is snake oil, and snake oil looking something to cure, there isn’t anything to see here.

 

[Badunit]

KOEO located live OP data stream, started engine, found within a second to two seconds OP was up to 70+, literally faster than I could even read digital readout.

Was this after a cold start after it sat all night and the filter and passages had drained down? Or was this after a "hot" start, like the start-stop system would be doing?

You all can (and will) do what you feel is best or most cost effective. I feel better knowing the filter is full, the pump doesn't have to spend even a split second filling it up when the engine is started after sitting all night, and the lubrication system is fully functional more quickly.

 

[ZeeJay]

Was this after a cold start after it sat all night and the filter and passages had drained down? Or was this after a "hot" start, like the start-stop system would be doing?

You all can (and will) do what you feel is best or most cost effective. I feel better knowing the filter is full, the pump doesn't have to spend even a split second filling it up when the engine is started after sitting all night, and the lubrication system is fully functional more quickly.

Stone cold, hadn’t run in two days, around March, which around here is still winter.
If you feel better about having it go for it, no judgement here.

Sponsored