Forum Discussion
TS21sso
Sep 05, 2013Explorer
FishOnOne wrote:
The only fuel additive that actually improved fuel economy in my trucks is the Motorcraft product and that was in my 6.0 psd.
My '12 6.7 psd it doesn't seem to improve fuel economy on a already steller fuel economy performer as is.
When it come to increasing MPG, I don't think that is the purpose or claim of most fuel additives. The purpose is to add additional lubrication to the low sulfer fuels. I use the opti lube products on my Duramax and of course I see no measurable results, only faith that it is doing what it was designed to do.
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