 Magnets in the motor, That's what I do! |
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| Mark Henry |
 Jul 18 2015, 02:41 PM
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#1
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that's what I do!  Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada  |
I've heard some people say you shouldn't put magnets in a motor, their logic is it could magnetize the steel parts.
I've always call BS on this. Porsche /6 has a magnet on the drain plug, the trans has a magnet on the drain plug, on all the big type 1 with oil sumps I've built I've put a big frick'in cow magnet in them. No matter how spotless I got the engine, after break in I always see a fine amount of metal filing fuzz on the magnet. The type 4 was a challenge, where to put the magnet? My solution is to epoxy two magnets to the bottom of the sump screen. I take two 1/4" X 1/8" rare earth magnets and epoxy them to the bottom of the sump screen.if you place them where the spring backs up they stay put till the epoxy cures. The 3rd magnet in the pic (the clean one) is just to show you the placement and magnet. I don't know if you can see the slight fuzz of metal filings. To me it's better they are on the magnet, than through the pump. And what happens if the filter bypass opens? Attached image(s) 
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Replies(1 - 11)
| 7TPorsh |
Jul 18 2015, 03:06 PM
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#2
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7T Porsh Group: Members Posts: 2,691 Joined: 27-March 06 From: Glendale Ca Member No.: 5,782 Region Association: Southern California 
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They make magnetized drain plugs...I think I have one on my car
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| tweet |
Jul 18 2015, 03:31 PM
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#3
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Member Group: Members Posts: 200 Joined: 25-February 13 From: South Florida Member No.: 15,579 Region Association: South East States |
They sell semi circle magnets that are reusable. They attach to your oil filter, no glue. Just swap out at each oil change. They come in a couple of different sizes. Only magnetizes the oil filter housing.
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| screenguy914 |
Jul 18 2015, 03:44 PM
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#4
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Member Group: Members Posts: 249 Joined: 6-July 09 From: So. Cal Member No.: 10,540 Region Association: Southern California |
Friend gave me the rare earth magnet from a discarded computer hard drive (serious magnetism). I leave it on the oil filter canister where iron filings are trapped and dumped at regular change intervals.
Sherwood |
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| Bartlett 914 |
Jul 18 2015, 03:48 PM
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#5
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Advanced Member Group: Members Posts: 2,216 Joined: 30-August 05 From: South Elgin IL Member No.: 4,707 Region Association: Upper MidWest |
Make sure you use a slow setting epoxy. 5 min epoxy softens with heat. You need a thermal setting epoxy
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| stugray |
Jul 18 2015, 04:36 PM
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#6
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Advanced Member Group: Members Posts: 3,824 Joined: 17-September 09 From: Longmont, CO Member No.: 10,819 Region Association: None |
I use a K&P reuseable oil filter, and it has a magnet built in.
You can see them embedded in the base of the filter element here: (IMG:http://www.914world.com/bbs2/uploads_offsite/kandpengineering.com-10819-1437258966.1.jpg) |
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| Mark Henry |
Jul 18 2015, 04:53 PM
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#7
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
The thing I personally don't like about filter magnets is the metal still goes through the oil pump.
The sump bolt on a T4 is under the screen, I've never seen a mag drain bolt for a T4. This is stuck to the bottom of the screen and there was filings on the other side as well, right by the pick up. I think I used JB weld. |
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| Kansas 914 |
Jul 18 2015, 04:55 PM
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#8
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Advanced Member Group: Members Posts: 2,999 Joined: 1-March 03 From: Durango, Colorado Member No.: 373 Region Association: Rocky Mountains
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QUOTE(stugray @ Jul 18 2015, 04:36 PM)  I use a K&P reuseable oil filter, and it has a magnet built in. You can see them embedded in the base of the filter element here: Thanks Stu - I am now shopping for these! Apparently the Harley dealer here in Durango is a dealer for K and P. Looks like art. |
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| stugray |
Jul 18 2015, 05:20 PM
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#9
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Advanced Member Group: Members Posts: 3,824 Joined: 17-September 09 From: Longmont, CO Member No.: 10,819 Region Association: None |
QUOTE(Mark Henry @ Jul 18 2015, 04:53 PM) The thing I personally don't like about filter magnets is the metal still goes through the oil pump. The sump bolt on a T4 is under the screen, I've never seen a mag drain bolt for a T4. This is stuck to the bottom of the screen and there was filings on the other side as well, right by the pick up. I think I used JB weld. I like your idea as well and am thinking about retrofitting mine, but I have the Welmeister oil can extension, so I might not have the filter screen... When you put the JB weld on the magnet it was quite the entertainment wasnt it? JB weld acts alive on a magnet because of the nickel content |
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| Mark Henry |
Jul 18 2015, 05:43 PM
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#10
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that's what I do! Group: Members Posts: 20,065 Joined: 27-December 02 From: Port Hope, Ontario Member No.: 26 Region Association: Canada |
QUOTE(stugray @ Jul 18 2015, 07:20 PM) QUOTE(Mark Henry @ Jul 18 2015, 04:53 PM) The thing I personally don't like about filter magnets is the metal still goes through the oil pump. The sump bolt on a T4 is under the screen, I've never seen a mag drain bolt for a T4. This is stuck to the bottom of the screen and there was filings on the other side as well, right by the pick up. I think I used JB weld. I like your idea as well and am thinking about retrofitting mine, but I have the Welmeister oil can extension, so I might not have the filter screen... When you put the JB weld on the magnet it was quite the entertainment wasnt it? JB weld acts alive on a magnet because of the nickel content Simple, use a small cow magnet and hose clamp it to the pick up extension. Yep JB weld and a magnet is cool, but now that I think about it I likely used Loctite Hysol on this one. |
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| mikedsilva |
Jul 18 2015, 05:44 PM
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#11
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Member Group: Members Posts: 90 Joined: 23-February 15 From: Australia Member No.: 18,462 Region Association: Australia and New Zealand |
I couldnt find a magnetic drain plug for my type 4 2.0.
Would "gluing" a magnet to the head of the drain plug be of any benefit? Or would the tip of the bolt not be magnetised enough to do anything? MIke. |
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| Montreal914 |
Jul 18 2015, 07:17 PM
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#12
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Senior Member Group: Members Posts: 1,560 Joined: 8-August 10 From: Claremont, CA Member No.: 12,023 Region Association: Southern California
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I have a Scat deep sump that uses a type 1 sump plate with a magnetic plug.
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