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Old 03-25-2017, 09:02 PM   #1 (permalink)
101Volts
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Join Date: Dec 2012
Location: Pennsylvania
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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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Opti-Lube "Boost!" and "XPD" Diesel Fuel Additives

Another user on the forum claims using Opti-Lube XPD increased his MPG by 11%:

http://ecomodder.com/forum/showthrea...ive-26910.html

XPD claims to raise cetane by up to 3 points, add lubrication to fuel, remove water and give the fuel anti-gel properties down to -10 F. However, they have another additive to increase cetane higher: "Boost!". It's mostly for raising the cetane rating, in this case up to 7-9 points which is more than other manufacturers I've looked at (Amsoil and Diesel Kleen) claim for their own additives.

Link to Boost on Opti-Lube's site:

Opti-Lube Diesel Fuel Improver | Grease | Oil Fortifier

They have a few other fuel additives for other purposes but I won't talk about them here; what I'm wondering is if anyone else here has tried it and if "Boost!" will increase MPG more than XPD for the higher cetane increase.

Here's a chart rating how well each of Opti-Lube's additives work for what application near the bottom of this newsletter from 2014. (I tried to find something more direct.)

http://opti-lube.com/downloads/newsl...014+Newsletter

Please do tell what you think.

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Last edited by 101Volts; 03-25-2017 at 09:39 PM..
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