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Old 07-15-2008, 05:20 PM   #1 (permalink)
EcoModding Apprentice
Join Date: May 2008
Location: South Dakota
Posts: 117

GMC Sonoma - '94 GMC Sonoma
90 day: 36.97 mpg (US)
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Larger oil filter for better FE?

I looked on EcoModder for info on this subject but didn't find any. Anyway, since a cold motor may actually pass oil thru a by-pass valve until it is warm enough to pass through the filter media it occurred to me that using the largest oil filter that will fit your vehicle should benefit FE since it takes energy to push the oil through the filter media.

Can anyone give me an opinion or better yet, actual numbers on how much this might benefit FE?

Lighter weight oil is definitely better for FE but there is a limit to how light you can go.

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