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Shell Rotella

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Photos: 32nd Annual Shell SuperRigs Winners

Bill Rethwisch's Best of Show winner, waiting in the rain on the first day at SuperRigs 2014. Photo: Deborah Lockridge

Bill Rethwisch of Tomah, Wis. captured Best of Show honors with his green and white 2013 Peterbilt 389 at the 32nd Annual Shell SuperRig competition held May 15-17 at zMAX Dragway in Concord, N.C. See pictures of his truck and other winners, along with photos of the truck parade and nighttime truck light show. 

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Tags: Shell SuperRigs, Shell Rotella

Photos: Shell Rotella Engine Teardown

This table had parts from the experimental oil, which had a high-temp/high-shear rating of 3. Lubricant engineers believe the new category will call for a range of 2.9 to 3.2.

A North Carolina fleet has been running a group of trucks on three different Shell Rotella oils -- a 15w-40, a 10w-30, and a 10w-30 that's been altered to provide a lower high-temp/high-shear number than is currently approved. A teardown of one of each after more than half a million miles shows virtually no difference in wear among the three engines. Learn more here. (By Deborah Lockridge, Editor in Chief.)

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Tags: Fuel Economy, Shell Rotella, Engines, Engine Oils

Shell SuperRigs 2013 Best of Show Winners

Shell SuperRigs 2013 Best of Show winner, the 2012 Peterbilt 389 of William Rethwisch of Tomah, Wis.

There's a new winning lineup of Best of Show winners and runners-up in this year's Shell Rotella SuperRigs Contest, because the previously announced winner was found to not meet all the eligibility requirements for a working truck and trailer.

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Tags: Shell Rotella, Shell SuperRigs

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