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Old 03-25-2017, 08:39 PM   #13 (permalink)
101Volts
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Join Date: Dec 2012
Location: Pennsylvania
Posts: 491

Grandpa's Caprice (retired) - '84 Chevrolet Caprice Classic
Last 3: 20.76 mpg (US)

Woody - '90 Mercury Grand Marquis Wagon LS
Last 3: 19.57 mpg (US)

F.E. Brick - '99 Chevrolet K2500 Suburban LS
Last 3: 12.94 mpg (US)

Mom's Car - '01 Chevrolet Impala Base
90 day: 21.95 mpg (US)

R.J. - '05 Ford Explorer 4wd
90 day: 19.52 mpg (US)
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Small update: I used Renewable Lubricants' 5w40 Low Ash Diesel Oil with an Amsoil EaO filter on the 6.5 Diesel and had no problems.



I only used it a little over 2k miles over a 6 to 7 month period however. Still, considering I took some of the unused oil and poured it on the ground and the grass regrew within a week it could be useful depending on your application. As for fuel efficiency this particular 5w40 is on the thin side (closer to a 0w40 than a 5w40) so if you switch to this you may see a MPG gain if you were using a thicker oil. Below I have linked the data sheet for this oil and their thicker Diesel 5w40 oil so you could check their viscosities:

Low Ash:

http://renewablelube.com/files/8914/...tor_Oil_LA.pdf

Non-Low Ash:

http://renewablelube.com/files/6414/..._Motor_Oil.pdf
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