Rule #2 & #3 are dead on and can't be broken. #1 I disagree with and it can be bent and indeed broken but it requires a great deal of work. I get some partially hydrogenated soy and I run it all the time however one must let it sit for one week and preferably in a cool setting. Most of the fat will settle out and then you can filter the clean top layer. Gravity filter cold 25-10-1 micron series. By the time I'm done filtering my oil looks as good as any there is. Secondarily while it's filtered at around 55ºf or lower I keep the tank at around 175ºf. I have not had any problems at all with this strategy.

Nothing should have to go to waste.


Flame on....

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'84 190d 2.2 - Silver
Converted to 5-Speed
'84 190d 2.2 - Blue
Factory 5-Speed

'76 300D (W115)
Sold, found again in less auspicious circumstances