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Magnetic Oil Trap
https://www.ausmini.com/forums/viewtopic.php?f=2&t=80591		 Page 1 of 2
Author:  winabbey [ Wed Mar 06, 2013 1:07 pm ]
Post subject:  Magnetic Oil Trap
Has anyone had any experience with this item? It looks like it would help with one of the A Series shortcomings - the removal of metal from the oil. Of course its fitment could cause other issues, hence my reason for asking.

http://www.minimania.com/part/C-2A3637/ ... newsletter
Author:  Lillee [ Wed Mar 06, 2013 1:15 pm ]
Post subject: 
DrMini has an even better solution that really works. Rare earth magnet on the oil filter housing itself. It traps all the metal in the filter, when you change it, just pop off the magnet and put it on a new filter. The metal stuff is thrown away with the filter.

Problem I can see with the above unit is, how do you clean the magnet without dismantling the oil filter housing off the block?
Author:  drmini in aust [ Wed Mar 06, 2013 1:23 pm ]
Post subject: 
@Lillee you are thinking of the Magnom? trap that sits above the filter, not this one.

I fitted one of these pump inlet mag traps to a new motor, ONCE.
BTW they are cheaper from Minispares UK (surprise, surprise, NOT).
Before it was due for its 1st oilchange oil pressure started to drop severely.
After much access trouble (because of where it is and an LCB above it) I got it out, it was severely blocking the pump intake.
Even the magnet alone and nothing on it restricts flow.

So, I removed it and put the plate back on. I think then I binned the damned thing...

The idea is good, but it needs to be somehow put in a spot where it can't block the pipe with debris.

And where it sits is a bastard to get to with the motor in the car. :evil:
Author:  Flute [ Wed Mar 06, 2013 1:41 pm ]
Post subject: 
I run the rare earth magnet that DrMini suggested as well. It must work, the magnet is so strong I can hardly get it off whatever I put it on when I am changing the filter.

I think it is this one.

http://magnet.com.au/411/neodymium-bloc ... m-x-12-5mm
Author:  drmini in aust [ Wed Mar 06, 2013 1:46 pm ]
Post subject: 
Flute wrote:
I run the rare earth magnet that DrMini suggested as well. It must work, the magnet is so strong I can hardly get it off whatever I put it on when I am changing the filter.

I think it is this one.

http://magnet.com.au/411/neodymium-bloc ... m-x-12-5mm

For anybody that thinks it don't work, run it on a filter for 3000 miles then cut the filter up. You will be amazed.
It catches all the metallic fines that go straight through the filter, then round and round.
Author:  Flute [ Wed Mar 06, 2013 1:57 pm ]
Post subject: 
I made the mistake of sticking two together the other day and it took me ages to get them apart!
Author:  Lillee [ Wed Mar 06, 2013 2:50 pm ]
Post subject: 
Flute wrote:
I made the mistake of sticking two together the other day and it took me ages to get them apart!


lol I did that, then made the mistake of trying to get them apart with oily hands :lol:
Author:  Harley [ Wed Mar 06, 2013 2:57 pm ]
Post subject: 
I have one of those magnetic traps in my car, put it there when the engine was rebuilt.
After first 1000km - nothing on it.
When I do the next oil change in the coming weeks, I'll probably get rid of it.
Can't help but wonder if theres a build up that suddenly lets go what damage would occur?
Author:  drmini in aust [ Wed Mar 06, 2013 3:01 pm ]
Post subject: 
I doubt it would all let go, it would just block the suction line causing pump cavitation and no oil pressure.
Just like a totally clogged pump pickup strainer.
Author:  winabbey [ Wed Mar 06, 2013 3:08 pm ]
Post subject: 
Flute wrote:
I made the mistake of sticking two together the other day and it took me ages to get them apart!

So nothing better to do on your day off than play with two magnets? :shock:

House and garage completely finished then, are they?
Author:  coopar [ Wed Mar 06, 2013 4:27 pm ]
Post subject: 
If two magnets are stuck together theres no way i'm resting till they're apart!!
Author:  jorgan92 [ Wed Mar 06, 2013 4:50 pm ]
Post subject: 
I use to have one of these on my Escort - worked well:

http://www.shopfiltermag.com/
Author:  raisto2 [ Wed Mar 06, 2013 7:02 pm ]
Post subject: 
drmini in aust wrote:
Flute wrote:
I run the rare earth magnet that DrMini suggested as well. It must work, the magnet is so strong I can hardly get it off whatever I put it on when I am changing the filter.

I think it is this one.

http://magnet.com.au/411/neodymium-bloc ... m-x-12-5mm

For anybody that thinks it don't work, run it on a filter for 3000 miles then cut the filter up. You will be amazed.
It catches all the metallic fines that go straight through the filter, then round and round.


what's the minimum size/ pull strength (waits for dirty comments) you would recommend?

If just on the filter?

If just on the sump bolt?

If using on both filter and sump?
Author:  drmini in aust [ Wed Mar 06, 2013 8:14 pm ]
Post subject: 
I use some like this-
Just bung one on the filter can near the bottom (on the finger grips)

http://aussiemagnets.com.au/product/-22 ... th%29.html

Use google and you might find them cheaper elsewhere. But you want rare earth ones, NOT ferrite.

The sump plug already has a (relatively puny) magnet that works OK.
Author:  raisto2 [ Wed Mar 06, 2013 8:28 pm ]
Post subject: 
Cheers Doc, If size/shape isn't so much an issue, for a little more pull strength, there's this one for a few $ less http://aussiemagnets.com.au/product/-40-x--15-x---8mm-Block-%28Rare-Earth%29.html . and for that price, I wouldn't really worry about shopping around too much.
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