Fram FS3600 C&P with magnet array, 10,055 miles.

[Mewbs]

+10

FRAM FS3600 with magnetic filtration array.

• Mewbs
• Today at 8:08 AM
• 19
• 2

2011 Toyota Yaris HB, with 32 magnet array filter setup result. Abused for about 10,055 miles...

This was pulled out a few months ago running on HPL HDEO 5W-40 for about 13 months. I was lazy or busy with life and didn't bother to post it in time until sorting out my phone camera photos today. Didn't expect this to work too effectively in capturing debris, car still runs fine and does not eat oil going through the same driving habbits. Currently running HPL SuperCar 5W-40 with Fleetguard LF16011 about 4968 miles and about to do a filter swap soon on that too but did not put magnets on that one but does have one at the sump drain plug.

 

[fantastic]

That looks pretty cool how it accumulated inside the can. However, it makes me think if we're not letting the media catch it then why not just run magnets only.

I'd say a few for visual inspection is good. You have a clear view...ha!

 

[Hohn]

Fascinating. That a significant amount of stuff the magnets caught. And with the media wicked it almost looks like it could go another 10k.

It always raises the question in my mind: where are those particles if not caught by the magnet? In the media? Floating in the engine? Hiding in a crevice somewhere?

You can get oil analysis saying super low wear metals but I have to wonder if those low wear metals are just the stuff too small to matter, while the magnet is catching stuff the UOA can't see.

 

[oil pan 4]

Fascinating. That a significant amount of stuff the magnets caught. And with the media wicked it almost looks like it could go another 10k.

It always raises the question in my mind: where are those particles if not caught by the magnet? In the media? Floating in the engine? Hiding in a crevice somewhere?

You can get oil analysis saying super low wear metals but I have to wonder if those low wear metals are just the stuff too small to matter, while the magnet is catching stuff the UOA can't see.

I've sampled numerous magnet sludge samples and nearly all of the magnetic material is much smaller than 1 micron. So it would likely keep floating in the oil, maybe get caught in the filter, Possibly settle in the oil pan, contribute to sludge build up all over the engine, continue to cause wear, ect. Nothing positive.

 

[mitsuman47]

That looks pretty cool how it accumulated inside the can. However, it makes me think if we're not letting the media catch it then why not just run magnets only.

I'd say a few for visual inspection is good. You have a clear view...ha!

I’m sure your “why not just run magnets only” comment was in jest. But, not all contaminants are ferrous.

I've sampled numerous magnet sludge samples and nearly all of the magnetic material is much smaller than 1 micron. So it would likely keep floating in the oil, maybe get caught in the filter, Possibly settle in the oil pan, contribute to sludge build up.

Can you provide more info on this? How did you sample the sludge? I’m intrigued. I run a magnetic drain plug on all of my vehicles. And, I run also run a FilterMag on the oil filter of my Frontier.

 

[oil pan 4]

I’m sure your “why not just run magnets only” comment was in jest. But, not all contaminants are ferrous.




Can you provide more info on this? How did you sample the sludge? I’m intrigued. I run a magnetic drain plug on all of my vehicles. And, I run also run a FilterMag on the oil filter of my Frontier.

I took magnet sludge smeared it on a microscope scale and looked at it under my microscope.

 

[mitsuman47]

+10

FRAM FS3600 with magnetic filtration array.

• Mewbs
• Today at 8:08 AM
• 19
• 2

2011 Toyota Yaris HB, with 32 magnet array filter setup result. Abused for about 10,055 miles...

This was pulled out a few months ago running on HPL HDEO 5W-40 for about 13 months. I was lazy or busy with life and didn't bother to post it in time until sorting out my phone camera photos today. Didn't expect this to work too effectively in capturing debris, car still runs fine and does not eat oil going through the same driving habbits. Currently running HPL SuperCar 5W-40 with Fleetguard LF16011 about 4968 miles and about to do a filter swap soon on that too but did not put magnets on that one but does have one at the sump drain plug.

Are these just regular neodymium magnets from Amazon? I heard in the past that you had to use some kind of special high temp (N52 rating?) neo magnets due to the oil temp being so high for such a long duration of time that it would reduce the strength the ones that do not have this rating.

Your magnets do not seem to have suffered from this, and caught about the same amount as my FilterMag brand that is much more expensive.

 

[mitsuman47]

I took magnet sludge smeared it on a microscope scale and looked at it under my microscope.

Very cool. Thanks for the info.

 

[Mewbs]

Are these just regular neodymium magnets from Amazon? I heard in the past that you had to use some kind of special high temp (N52 rating?) neo magnets due to the oil temp being so high for such a long duration of time that it would reduce the strength the ones that do not have this rating.

Your magnets do not seem to have suffered from this, and caught about the same amount as my FilterMag brand that is much more expensive.

These are N42SH which are good up to 150C they are not cheap and cost about 4 dollars per magnet, i bought a pack of 50 last year on a discount sale at K&J Magnetics. I have run other exotic magnetic materials in the past which include SmCo32 disc but unfortunately the test vehicle was totaled in a accident late 2024 and was unable to reach the milestone for oil sampling.

 

[Hohn]

I have to think that a small handful of much stronger magnets would be more useful than a full band of weaker ones.

Maybe I'm mistaken. I know the field strength decays rapidly, so perhaps fewer and stronger is actually weaker.

 

[4wd]

Magnets - smagnets … did that retainer spring seat in a seal?

 

[mitsuman47]

Magnets - smagnets … did that retainer spring seat in a seal?

Good point. I wonder if the dreaded leaky leaf spring is why his magnets are catching a similar amount or more material than mine. I’ve been running CQP and CQEP.

Edit: I’ve been meaning to do a particle count test over 1 oil change. Was thinking of changing the oil then doing a zero or 1 hour UOA with PC, then running the first half of the OCI with no filter magnets, and do a mid-OCI UOA with PC. Then slap the magnets on the filter for the 2nd half of the OCI and and do another UOA with PC at the end of the OCI.

It wouldn’t be the most scientific of testing methodologies, but if the PC values were lower at the end of the text than the mid way point, I’d consider that a win.

Flame suit on.