Thread: 10-40 semi synthetic oil in d24
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Old 08-15-2016, 06:18 PM
S&W 629 S&W 629 is offline
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Join Date: Mar 2016
Location: Phoenix Arizona USA
Vehicle: 740 GLE
Posts: 53
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I know of someone who uses Mobil1 synthetic and changes it at 10,000 miles without any problems. I use Valvoline 15W40 diesel oil in both my D24T and my Ford F-250 7.3 liter International engine.
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