How many use additives at fuel up... - Page 3 - Chevy and GMC Duramax Diesel Forum
11-16 LML Duramax Powertrain Discussion of components that are directly involved in the power production and all that is needed to get and keep the truck moving . Engine , Transmission, Etc.

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post #21 of 109 (permalink) Old 01-04-2020, 07:56 AM
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Quote:
Originally Posted by theheder View Post
Trying this for the first time.
I use the Summer DT2000 year round. 'bout $0.30 per fill up (gallon purchase).

I've never seen a pump sticker stating 5-20 bio. Usually it's "up to 5%", or B10-B20, or just B20.
When I'm in the areas of a known B20, I spend the extra effort to stop and fill.
Always dramatically quieter when pulling away.
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post #22 of 109 (permalink) Old 01-04-2020, 08:02 AM
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I use Opti-lube myself. The thing that sucks is I have to have family in Florida send it up to me here in Canada.

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post #23 of 109 (permalink) Old 01-04-2020, 08:47 AM
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I think I'm going to try some Opti-lube since so many of you guys seem to like it. I see most guys run the XDP, has anybody tried their Boost formula that has the maximum cetane? Just wondering if there's any fuel mileage/lubricity benefit over the XDP. Plus it treats a lot more fuel (which may mean it doesn't work as well).

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post #24 of 109 (permalink) Old 01-04-2020, 10:12 AM
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The Opti Boost doesn't do much for a lubricity improvement but is the most cetane boost. I did not see any improvement in mpg myself.

I run the Opti Summer and Winter versions personally.
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post #25 of 109 (permalink) Old 01-05-2020, 04:32 AM
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Just to clarify. I donít run optilube XDP I run xtreem diesel performance fuel treatment.
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post #26 of 109 (permalink) Old 01-05-2020, 10:18 AM
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If you are expecting to see spectacular results by running one additive over the other, you probably won't.

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post #27 of 109 (permalink) Old 01-05-2020, 08:49 PM
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Schaeffer's Soy all season in almost every tank.
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post #28 of 109 (permalink) Old 01-05-2020, 09:21 PM
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Running the stanadyne here. Seems to do well.

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post #29 of 109 (permalink) Old 01-06-2020, 09:35 AM
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Opti Summer year-round at the highest rate recommended. Hope to spare the CP4.

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post #30 of 109 (permalink) Old 01-06-2020, 01:13 PM
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Opti-Lube with BetterDiesel FBC at every fill. Bio-diesel is hit or miss. Most of the time you never know exactly what percentage bio is actually in the fuel. If it says B20 the fine print lets you know that it can be "up to 20% bio" which means it may be 5%.

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