Quote:
Originally Posted by deejaaa
seems like I've read this before. groundhog day?
I want to see damages to injectors, fuel filters, GP's, sending unit, algae growth, after 30,000 miles.
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The VW TDi is not a good candidate for waste vegetable oil (WVO) or straight vegetable oil (SVO). For various reasons. But, the OP seems determined so I'll sit back and see what transpires.
Cars like the old Mercedes Benz Diesels are ideal. Durable pump. Indirect injection and glow plugs and relatively easy maintenance.
The other is the quality of your oil source and how it is processed. An industrial centrifuge is a necessity for long filter life and zero fuel system problems.
I have several MB diesel powered vehicles with WVO running through them. No untoward problems. Of course I have engineered my own fuel heater system and the mild weather here in San Diego is ideal for these vehicles. Of the three vehicles that we have, the 85 MB 190D has the most time on WVO. It was rescued from an insurance wrecking yard at 70k miles and run on WVO and gasoline for about 10 years. A university student purchased it about 10 years later and did the same for another 10 years. I have had it for the last 10 years and it is driven daily on long and short trips. The odometer broke at 595 K miles and via volume of fuel used and calculated fuel mileage, it has passed 700K miles and is approaching 800k miles.
Just because someone has had horror stories with WVO does not mean it is not worth trying. Just do some research and measure your capabilities to execute a course of action that will provide you with one of the cheapest and greenest forms of transportation.