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I have a bypass filter on my 2003 VW TDI diesel and it was a relatively cheap, easy addition (Dieselgeek setup that uses Amsoil filter). After reading issues of the F150 Ecoboost and fuel dilution (as I am considering this as my next vehicle purchase), I was thinking if a bypass filter would...

I have 2 partial jugs (total about 1 gallon) of Mobil Delvac 1 purchased in November 2009 (open for 10-15 months) that have a noticeable different color from a recently purchased gallon. It has gone from a light amber to darker, thought not black at all (you can still see light through it). Is...

1st oil analysis on my used 2003 Suburban. This oil was changed and Mobil 1 Extended Performance was used. I have run a Amsoil bypass on my diesel VW and was thinking of adding one to this vehicle as well. Html: Iron 14 Chromium 0 Nickel 0 Aluminum 1 Copper 18...