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Old 03-09-2007, 08:56 AM
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firemediceric firemediceric is offline
1981 300 SD
Join Date: Jul 2006
Location: Vero Beach, FL
Posts: 351
Originally Posted by jshadows View Post
There is no glycerin in WVO. It is a byproduct of the chemical reaction between the alcohol and fatty acid (the WVO) which produces the esters, methyl or ethyl, more commonly know of as biodiesel. WVO is more or less chemically homogenous notwithstanding the sugars etc left there by the food that was cooked in it.

The lesser known of the WVO is polymerization and combustion problems which can lead to deposits in the lands of the rings. Of course there's coking and deposit problems at the injector and IP points as well being the most documented. I have yet to see a piston and rings from a long term WVO powered diesel.
This post is right on the money Glycerin is not a factor in WVO because there is none there until it is formed by a chemical reaction. The glycol molecule that is present in WVO will not be a problem for the engine, IMHO.

People talk about using the glycerin by-product from BD for soap or candles, but do you want to use soap or candles that have methanol in them?

Look at my signature. I like what I'm doing, but living in Florida helps it work for me. By not doing a bunch of conversions to the vehicle I have less to go wrong. Read the Frybrid forum and you will always see people chasing air leaks or other component problems. I choose not to go the BD route because I don't want to deal with procuring and using the chemicals required, and I don't want to put a lot on $$$ into a processor. If my supply of WVO dries up tomorrow, I'm only stuck with a couple hundred dollars of filetering supplies.
Pictures of the MB:

1981 300 SD with a Goldenrod water block and Injetor line heaters. EGR is missing

1999 F-350 with HP X-over, Dahl 100 Fuel Filter, Coolant by-pass filter, CCV mod, Tymar intake.

Both on single tank WVO blend
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