Originally Posted by Fullcrew7.3
I was going to ask the same thing. Mind you, specifically copper. I got a slip tank the other day and am now going to set up an egine coolant coil to go inside for warming so I can run bio all winter. Gonna heat the fuel lines as well. Anyway, that's a little different question than packrat's, but along the same lines.
Thanks
No aluminium or copper, WVO is acidic, steel is ok.
FABMANDELUX.