Originally Posted by layback40

Biodiesel is a mix of methyl esters. Under high pressures (over 15,000psi) it polymerizes to form polyesters. They are solid materials with varnish like properties. Any half competent chemistry graduate could tell you this.

It will cause problems in a CDI system.

Some one doesnt need to have destroyed an engine to know this basic information.

It is far more of a problem than running WVO in an unmodified diesel system.

compress ignite is correct in his comment.

If you want to prove it, go ahead and try it. I some how dont think any one who goes down that path & messes up their CDI is going to admit their stupidity.