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Old 04-28-2010, 01:27 PM   #1
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Location: Long Island (Nassau County), NY
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Mobil Delvac vs Rotella T

Was just at a local Freightliner getting annual state inspection done and saw a coupon for Mobil Delvac. Buy 3 and get reimbursed for 1 so you wind up paying for 2. Is there any difference between the Mobil Delvac and Shell Rotella T? Does anyone have any experience with the Mobil- good or bad. Is one better that the other?

Tom and Margaret
2014 Berkshire 390bh-60

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Old 04-30-2010, 06:34 AM   #2
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Join Date: Mar 2008
Location: Southwest Alabama
Posts: 3,283
In the big scheme of things they both meet the API standard so they're both the same. Some people like one and some people like the other. While I don't advocate mixing brands, realistically they are compatible because Shell can't put anything in their oil that would adversely affect anything Mobil would put in their oil and vis-versa. Same holds true for all other mfgs.
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