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5w-40 Mobil 1 diesel for track only?

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Old 03-09-2012, 12:19 AM
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thatonedude1
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Default 5w-40 Mobil 1 diesel for track only?
Anyone ever try using 5-40 for the track only to counter the effects of viscosity loss for oil above 260 - 270 degF?
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Old 03-09-2012, 01:01 AM
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rustyguns
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Originally Posted by thatonedude1
Anyone ever try using 5-40 for the track only to counter the effects of viscosity loss for oil above 260 - 270 degF?
40 weight will work to around 270. i hit 290 so i use 20/50
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Old 03-09-2012, 01:46 AM
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db2xpert
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Originally Posted by rustyguns
40 weight will work to around 270. i hit 290 so i use 20/50
You need a better oil cooler.
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Old 03-09-2012, 05:58 AM
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John Shiels
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you have different additives in diesel oil. Go to bobstheoilguy.com
Last edited by John Shiels; 03-09-2012 at 06:01 AM.
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