Thread: Yep, another oil thread Synthetic for Northern Climates....
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Old 11-17-2010, 01:58 AM
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compu_85 compu_85 is offline
Cruisin on Electric Ave.
  
Join Date: May 2008
Location: La Conner, WA
Posts: 5,250
With syn you could probably go at least 7500. Have it tested. The 'benz uses enough that being able to extend the change a few thousand miles will pay for the testing.

-J
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