1992 300D 2.5 turbo.

I am rebuilding the engine. I am using all new pistons. The rings on #5 were gone.

My father told me about these type of filters. He said "the oil never turned black".

Does anyone have any input on these filters? I saw the frantz system on the web.

I am rebuilding the turbo at turbo city. The guys there said that the most important thing was to have oil -Clean oil!!!!!!

Nick

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