What about just grabing some neodynium magnets from an old hard drive and sticking them on the side of your oil filter? And isn't the magnet only going to pick up steel? I'm assuming a lot of alloys aren't magnetic....
If you've got as much crap as those magnets picked up in that picture you've got some serious issues.....
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'09 370Z - '93 300ZX Vert - '83 280ZX - '83 280ZXT -'81 280ZXT stroker - '72 240Z - Stillen CBE, HFC, G3, Grounding Kit, Sways // Swift Spring // H&R 15mm // 5% Tint // Clear Bra // 
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