Quote:
Originally Posted by Biodiesel300TD
You run the return back into the supply. Some folks think this helps keep the VO temps up, and it also reduces the materials needed. I personally didn't do it on my conversion. I've hear to many stories of problems with air bubbles on systems with a looped return.
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That's correct. I have a switch under the hood and can have it loop into the main tank or keep it recirculating. I keep it on a loop so that the WVO stays warmer. If I run it on diesel, I'll just have any excess dump into the main tank. It's worked perfectly so far so we'll see.
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