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Chainsaw
Interesting different oil/ratio observation today
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<blockquote data-quote="HansFranz" data-source="post: 8057832" data-attributes="member: 184542"><p>Reportedly, castor oil is pretty effective at restoring the lubricity of ultra-low sulfur diesel fuel to protect diesel injectors, though.</p><p></p><p>I have an old 2001 Powerstroke diesel (7.3 liter) that was made before ULSD was common/required. According to the paper at</p><p></p><p>[URL unfurl="true"]https://cdn.intechopen.com/pdfs/38157/InTech-Lubricating_aspects_of_automotive_fuels.pdf[/URL]</p><p></p><p>if you add castor oil at a mix ratio of 200 ppm (about 1 tablespoon per 40-gallon tank of ULSD if I recall correctly), it vastly improves the lubricity of ULSD. (See pages 102-103 of the paper for that discussion.)</p></blockquote><p></p>
[QUOTE="HansFranz, post: 8057832, member: 184542"] Reportedly, castor oil is pretty effective at restoring the lubricity of ultra-low sulfur diesel fuel to protect diesel injectors, though. I have an old 2001 Powerstroke diesel (7.3 liter) that was made before ULSD was common/required. According to the paper at [URL unfurl="true"]https://cdn.intechopen.com/pdfs/38157/InTech-Lubricating_aspects_of_automotive_fuels.pdf[/URL] if you add castor oil at a mix ratio of 200 ppm (about 1 tablespoon per 40-gallon tank of ULSD if I recall correctly), it vastly improves the lubricity of ULSD. (See pages 102-103 of the paper for that discussion.) [/QUOTE]
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