Mike, I think rare earth magnets are far more powerful than typical speaker magnets.
I believe computer hard-drives contain one...

Reading some of the disagreements on this thread reminded me of the disagreements on the "Evolution" thread, and the "Very Important Read" thread. It sounded so much the same sort of not agreeing.

I would be tempted to try cheep magnets however.

1. Whack your magnet on the end of the filter, use some silicone glue so it doesn't vibrate off. Rare earth magnets are much stronger gram for gram but speaker magnets are free.
2. Next oil change have a look inside. Anything stuck to the magnetised end isn't lodged in the filter paper. I used to do this many years ago and was surprised at the amount of fine black paste hanging around the magnet. Haven't done this for a couple of decades or so but there's no harm in it.

The only thing you will polarise is the opinions on this forum.

I decided running top quality oil was better for the car. Based on the wear I am not seeing, I still think Penrite is tops. I haven't rebuilt a motor of mine for 15 years now, not that I drive as much as I used to...

Thumbs up for Penrite Oil.

I too am a fan of this oil as they use only new base stock.

Used to run it in my BMW motorcycle for quite a while.

It would stay the same colour from go to whoa which was impressive I thought.

One day I tried some Amsoil and found it went black almost the same day.

Not good I thought but someone told me that from my observations that although the Penrite stayed the same it was not actually absorbing or cleaning any of the engine by products that the Amsoil was. After about 5 oil changes with the Amsoil it stayed clean between changes as well.

Not flogging any product just an observation as I think they are both excellent.

Here is something on magnets I dug up as well - http://www.dansdata.com/magnets.htm

I can't believe these guys are still banging on about it!!!!!!

In reality, if it WAS better, don't you think SOMEONE by now would have actually made a filter WITH or OUT OF a magnet by now, and I don't mean a Hiclone SuperPolarAntiWearMegaStickToMeMagnet Filter, a bonafide filter manufacturer. Anyone... Anyone... nope, didn't think so......

I think all those in favour are missing the point in that the magnetism required to attract "sub-micron" particles from oil "WHILE THE ENGINE IS RUNNING" would be at LEAST equivalent of getting Elle MacPherson to give The Baldy Man a quick shag behind the school shed after recess......

No matter how hot the oil is and how thin it gets, the volume of oil flowing thru a filter during engine run is far too great for particles to separate and move to the magnet.

Maybe one of you should get a response from Caterpillar, Cummins or MTU Detroit on this subject.......

After a considerable amount of my career being involved in engines, all I can say is if you have metal in your filter, you have a problem. If you have a 3512 Cat, a K50 Cummins or even a V16 Wartsila with metal of any size in the filter and you continue to keep running it safe in your thoughts that "the magnet is protecting me" your job title should be re evaluated as you are risking a good couple of hundred thousand dollars and beyond by doing so.

Any engine at the stage where it has detectable levels of metal is running out of time and NO amount of filtration is going to fix it. If the case hardening is gone, its basically ****ed!

However, the use of magnets in sumps etc does have its place and yes, are very useful but by the time you start to see anything stuck to them, the damage has already started.

But all in all, this thread has been quite funny!

Cheers

Andrew

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Bonnie - MY03 D2a TD5 Auto (One Bourbon)
Clyde - MY93 RRC 3.9 Classic (One Scotch)
Arfa - S2a 109" custom trailer (One Beer)
Earl - The "Duc" 2009 Ducati Sport Classic (chuck in a Lambrusco)

www.perthrollerderby.com.au

I knew she would stand me up.I waited all recess.

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I've had enough of this wowdy webel sniggewing behaviour.

SO YOU were the "other", she wouldn't tell me about ...

You could have written "Elle" on the palm of your hand.....

__________________

Bonnie - MY03 D2a TD5 Auto (One Bourbon)
Clyde - MY93 RRC 3.9 Classic (One Scotch)
Arfa - S2a 109" custom trailer (One Beer)
Earl - The "Duc" 2009 Ducati Sport Classic (chuck in a Lambrusco)

www.perthrollerderby.com.au

Well told Elle not tonight as I was working on the LR. She did look a little disappointed.

After following one of the links in a post below I rang the magnet mob in the states. They advised that the Rare Earth magnets will lose magnetic effect at 250F. Have no idea how hot it gets next to the turbo.

They suggested the Neodymium (?) cobalt defiantly one of the cobalt ones said they were good up to 600F and almost as powerful as the rare earth.

I’m thinking of putting a magnet on the end of the sump plug. The bloke in the states recommended a two part epoxy. Would appreciate any suggestions.

Also the oil in the sump even running wouldn’t get up to 250F would it?

Suppose I should do the right thing and give Elle a call

To summarise:

Filtermag is unlikely to recondition your engine.

Strong magnets inside a filter will attract fine ferrous particles. Yes I have observed this, the product available in the 80's was MAGNAFILTA.

Unlike a high stress commercial engine, a Land Rover engine is not a precision instrument. It will continue running even after ferrous wear has been detected, pehaps under reduced load or with thicker/better oil.

Magnets are fun and educational, they give you something to do while you are contemplating high fuel costs.

Not every Land Rover owner has the funds to totally rebuild their engines at the first sign of wear.

Altogether an interesting but unimportant thread.