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#1765590 - 02/02/10 12:32 PM Do filter magnets work? Can I make my own?
ryan2022 Offline


Registered: 06/05/06
Posts: 1297
Loc: Calgary
Hi guys, do the oil filter magnets you buy work?

Could I make my own with some magnetic sheeting and just wrap the filter in it?

I'm wondering if it would remove some of the particles in a long UOA. (Iron, other metals)
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2016 Mazda CX-3 GS Mazda 0w20
2005 Ford Ranger FX4 Quaker State 5w30 syn.


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#1765598 - 02/02/10 12:38 PM Re: Do filter magnets work? Can I make my own? [Re: ryan2022]
defektes Offline


Registered: 09/09/09
Posts: 3216
Loc: Hesperia, CA, USA
I somtimes use a hard drive magnet from a dead drive. Toss it on the side of the oil filter.
_________________________
2002 GMC Sierra 5sp. 4.3L 145K ST3980 E-Core
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#1765604 - 02/02/10 12:41 PM Re: Do filter magnets work? Can I make my own? [Re: defektes]
chambers Offline


Registered: 04/28/09
Posts: 263
Loc: VA, USA
Originally Posted By: defektes
I somtimes use a hard drive magnet from a dead drive. Toss it on the side of the oil filter.

This is the cheapest way, but getting a filtermag is a good investment IMO. They have data on their site showing lower particle counts when magnets were used, there's a link in the oil filter section somewhere.

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#1765615 - 02/02/10 12:49 PM Re: Do filter magnets work? Can I make my own? [Re: chambers]
bepperb Offline


Registered: 01/10/08
Posts: 4946
Loc: Milwaukee, WI
I just throw a hard drive magnet on the end of the filter.

No, the particles a magnet will pickup are too small to be seen on a UOA, it will not change the results. Particle count yes, but those are generally only for aviation and very expensive.
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#1765633 - 02/02/10 12:59 PM Re: Do filter magnets work? Can I make my own? [Re: bepperb]
bigmike Offline


Registered: 06/05/09
Posts: 3239
Loc: Florida
http://www.dansdata.com/magnets.htm

I use hard drive magnets on the end of the oil filter as well.
_________________________
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2006 Chevy Silverado LT 4.8 - QS 5w30, Napa Gold
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#1765643 - 02/02/10 01:02 PM Re: Do filter magnets work? Can I make my own? [Re: bepperb]
Cup of Joe Offline


Registered: 01/16/06
Posts: 1812
Loc: United We Stand
Quote:
Particle count yes, but those are generally only for aviation and very expensive.


Particle count was an extra $10 from Polaris labs going thru OAI.
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2015 Toyota 4runner with dealer installed bulk Valvoline 0w-20 What the heck?

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#1765695 - 02/02/10 01:43 PM Re: Do filter magnets work? Can I make my own? [Re: Cup of Joe]
ryan2022 Offline


Registered: 06/05/06
Posts: 1297
Loc: Calgary
Thanks guys!!! good to know.

If friends with our IT guy, I'll see if he's got one kicking around.
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2016 Mazda CX-3 GS Mazda 0w20
2005 Ford Ranger FX4 Quaker State 5w30 syn.


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#1765754 - 02/02/10 02:43 PM Re: Do filter magnets work? Can I make my own? [Re: ryan2022]
elwaylite Offline


Registered: 06/09/04
Posts: 488
Loc: Theodore Al
IMO, and from what i've read by people who actually know, save your $$$ and do not buy a filtermag.
_________________________
07 Hyundai Sonata 2.4L/75k miles/Redline 0W20/Mobil Filter
09 Scion xB 2.4L/18k miles/Redline 0w20/Mobil Filter

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#1765771 - 02/02/10 02:58 PM Re: Do filter magnets work? Can I make my own? [Re: elwaylite]
Bluestream Offline


Registered: 09/13/03
Posts: 5223
Loc: Waterloo, ON
just use a magnetic drain plug; much better IMHO...
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2000 Cavalier 2.2 A4
2000 VW Beetle 1.8T M5
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1991 BMW 735iL
"A fool and his money are soon parted" - Thomas Tusser

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#1765777 - 02/02/10 03:01 PM Re: Do filter magnets work? Can I make my own? [Re: Bluestream]
getnpsi Offline


Registered: 10/30/07
Posts: 698
Loc: Fontana, California
^^^It cant hurt to do both. The thread with the shavings in the shape of the magnet is worth 2000 words. Don't waste money on a filtermag
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#1765797 - 02/02/10 03:09 PM Re: Do filter magnets work? Can I make my own? [Re: getnpsi]
elwaylite Offline


Registered: 06/09/04
Posts: 488
Loc: Theodore Al
Wont help either. Save your money. Magnets do work on tranny's and gears.
_________________________
07 Hyundai Sonata 2.4L/75k miles/Redline 0W20/Mobil Filter
09 Scion xB 2.4L/18k miles/Redline 0w20/Mobil Filter

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#1766533 - 02/03/10 03:26 AM Re: Do filter magnets work? Can I make my own? [Re: elwaylite]
grease_monkey Offline


Registered: 12/08/08
Posts: 325
Loc: oregon
mechanics in our garage say that is a get rich quick scheme

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#1773160 - 02/08/10 01:03 AM Re: Do filter magnets work? Can I make my own? [Re: grease_monkey]
AdRock Offline


Registered: 06/05/09
Posts: 874
Loc: Texas
I have a magnetic drain plug and some magnets out of a bad hard drive on the filter. Total cost, nadda.
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2002 Mustang GT
1995 Ford F150
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#1773445 - 02/08/10 10:26 AM Re: Do filter magnets work? Can I make my own? [Re: AdRock]
chevrofreak Offline


Registered: 06/17/05
Posts: 4939
Loc: Billings, MT
The hard drive magnets I used caught quite a bit of ferrous stuff. Don't run Mobil 1 and you won't need magnets.

http://www.bobistheoilguy.com/forums/ubb...rue#Post1556412
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I <3 Red Line oil

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#1773450 - 02/08/10 10:30 AM Re: Do filter magnets work? Can I make my own? [Re: chevrofreak]
elwaylite Offline


Registered: 06/09/04
Posts: 488
Loc: Theodore Al
I love comments like this without any proof.

While I question Mobil's iron numbers, the 0w-20 and 5w-20 EP have shown NOTHING but GREAT results in my Hyundai, and thats Terry Dyson looking at it.

According to him, they did have some issues (minor), but things are now correcting.

As you can also see, I have no reason to defend them, other than to straighten out your false comments, because I am running redline.
_________________________
07 Hyundai Sonata 2.4L/75k miles/Redline 0W20/Mobil Filter
09 Scion xB 2.4L/18k miles/Redline 0w20/Mobil Filter

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