Posted by JimS on February 24, 2012 at 17:35:43 from (209.148.98.33):
In Reply to: Biodiesel posted by JayinNY on February 24, 2012 at 08:14:30:
I worked for some folks who wanted to use bio-diesel so I called the local diesel performance shop.
I told them I had a question about bio-diesel. He immediately replied, "We can fix it." I asked what he meant and he said they could fix what ever the bio-diesel "F'd" up and it will eventually mess up something, especially on an engine that has run regular diesel a long time.
He explained a case where the fuel pump was leaking fuel into the crankcase. The engine eventually stopped. When they disassembled the engine, they found the cramkcase/engine filled with a caulk like substance. It made perfect sense; to make plastic you need oil, heat, nitrogen, and chlorine (basically, of course theere are other things for quality plastic). Bio-diesel is higher in nitrogen than other diesels, the crankcase provided the oil and the engine provided the heat. The only thing missing was the chlorine. I thought it a kind of cool MR. Wizard experiment that I was grateful I did not have to pay for.
Other bio problems: Caustic; it will clean all the crap out of your engine necessitating frequent filter changes at first. Older fuel lines will fail with bio. Reeduction in power output. Inconsistency of bio quality.
Never understood why it is considered more "green" to make fuel when nature has essentially already done the same thing.
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