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Old 07-29-2014, 09:57 PM   #7 (permalink)
sarguy01
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Join Date: Jan 2010
Location: Virginia Beach
Posts: 468

Mazda5 - '12 Mazda 5
90 day: 25.22 mpg (US)

Big D - '11 Dodge Durango Crew
90 day: 18.75 mpg (US)
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Quote:
Originally Posted by Cobb View Post
Why is your Silicon so high? Did you check to see if your air filter has a hole or vacuum leak somewhere?
We do go to the beach about once every week or two. I also have a K&N filter, so that might have something to do with it. The other metals were low, which suggests to me that the silicon isn't eating the engine alive. But then again, I am no expert.
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