Patrol22 (Queanbeyan replied:

Don't know much about this issue at all but these sites might help

http://journeytoforever.org/biodiesel_mike.htmL

http://www.dancingrabbit.org/biodiesel/flrecipe.html

http://journeytoforever.org/biodiesel_processor.html

http://www.veggiepower.org.uk/

http://www.ballarat.edu.au/projects/ensus/case_studies/biodiesel/biodiesel.h
tm

http://groups.yahoo.com/group/Biodiesel/messages

http://www.kelseyville.com/biodsl/

Truckster (Vic) replied:

Have you asked Nissan? Not being silly, wonder their views on it. Warranty etc...

The TD42 has been same basic donk since jesus played fullback for Jerusalem, so might be ok..