Um did you used to make moon shine? Very nice set up ive always wanted to do thisplease keep up informed would be a great diy section :thumb:
Pvc fittings? I looked into a homebrew setup for quite some time and I was always told to stay away from pvc for fittings because the heat will make them soft and may leak later on so most switch to brass fittings. Biofuel is supposed to have a high lubricity compared to ULSD but you have to change your fuel filter within the first few tanks, because it cleans your whole fuel system by removing all the crud in the fuel lines.