You will get both answers in this forum. Ranging from "no problems, go ahead" to "your car WILL die if you do it".

Personally, I've only seen anecdotal evidence regarding the destruction of engines using properly filtered WVO. I've run a few hundred gallons with no mechanical problems attributed to using the WVO. I've had clogged filters and one tank screen, but I can't directly point the clogged screen specifically at WVO.

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Michael LaFleur

'05 E320 CDI - 86,000 miles
'86 300SDL - 360,000 miles
'85 300SD - 150,000 miles (sold)
'89 190D - 120,000 miles (sold)
'85 300SD - 317,000 miles (sold)
'98 ML320 - 270,000 miles (sold)
'75 300D - 170,000 miles (sold)
'83 Harley Davidson FLTC (Broken again) :-(
'61 Plymouth Valiant - 60k mikes
2004 Papillon (Oliver)
2005 Tzitzu (Griffon)
2009 Welsh Corgi (Buba)