Dodge Forums: http://www.turbodieselregister.com/forums/ http://www.dieseltruckresource.com/dev/ http://www.oilburners.net/forums/forumdisplay.php?14-Dodge-Cummins-Diesels
Ford Forums http://www.powerstroke.org/forum/bio-diesel-alternative-fuels-supplements/45087-waste-motor-oil-fuel.html http://www.oilburners.net/forums/forumdisplay.php?10-Ford-Diesel-Forums http://www.ford-trucks.com/forums/ http://www.thedieselstop.com/forums/
GM Forums http://www.oilburners.net/forums/forumdisplay.php?4-General-Motors-Diesels http://www.duramaxforum.com/forum/
Mercedes Forums: http://www.mbca.org/forums/technical-forums/alternative-fuels-hybrids http://www.benzworld.org/forums/ http://www.peachparts.com/shopforum/
VW Forums http://www.oilburners.net/forums/forumdisplay.php?27-Volkswagen-TDI-Diesels http://forums.tdiclub.com/
Toyota Forums
Isuzu Forums http://www.isuzupup.com http://forum.planetisuzoo.com/