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Old 04-05-2012, 09:03 PM   #13 (permalink)
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Join Date: Jun 2011
Location: Portland, OR
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Jogger Fogger - '07 GMC Sierra SLT
90 day: 13.62 mpg (US)
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Originally Posted by allen_dodge View Post
Does biodiesel have any effect on the lifespan of the injection pump?
In short: No.

Biodiesel doesn't hurt the IP (injection pump) or any of the parts of the whole vehicle. Byproducts like soap, unconverted oil, and leftover chemicals from the reaction or process do hurt the IP. There's about 5 tests that I do along the way during the process to insure that I have the best possible fuel, and it's easy to see how some of these tests are never done or neglected along the way.

If you have a 1982 Merc 240D, then you'll be fine with sub-standard fuel. If you have a $40k modern diesel with common rail injection make sure you're doing it right. My truck will produce 26,000 psi in the fuel rail and has 4 timed injection moments during each cycle. This is part of the reason it's so quiet, efficient, and clean. (as are most modern diesels).

Substandard production is the real reason behind failures. I admit that I spent years reading about biodiesel before I designed and built my processor. But I love it.

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