Best Fuel Additive - Chevy and GMC Duramax Diesel Forum
06-07 LBZ & LLY 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 #1 of 9 (permalink) Old 11-07-2019, 05:16 PM Thread Starter
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Best Fuel Additive

Picking the brains of the masters here

What additive do you like to run for lubrocity and to keep things clean?

Thanks
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post #2 of 9 (permalink) Old 11-07-2019, 05:19 PM
J83
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Quote:
Originally Posted by Runwhatyabrung View Post
Picking the brains of the masters here

What additive do you like to run for lubrocity and to keep things clean?

Thanks

the best additive (to this site) is the search button. Really helps to reduce friction and wear.

Joking aside, this questions been beaten to death and theres no real answer because its all subjective. Personally, optilube, or stanadyne. The specific flavor is up to you based on needs.

2015 Chevy Silverado 2500 HD 6.6L LML
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post #3 of 9 (permalink) Old 11-08-2019, 06:02 AM
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The only real scientific lubricity test I have seen had bio-diesel and Opti-Lube on top.
I personally like Opti-Lube (Summer+ and XPD) and Hot Shots Secret (Diesel Extreme and Everyday Treatment) .

06 LBZ CCSB
With some stuff.
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post #4 of 9 (permalink) Old 11-08-2019, 06:30 PM
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I really like Diesel Kleen and can tell when I have or havent been using it. Especially with a 6.0 but I use it in my LBZ also. Not a fan of gas engine additives but I do believe the good diesel ones are beneficial to the point where its worth the $$.....

2007 3500HD CCLB DRW 4WD classic
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post #5 of 9 (permalink) Old 11-08-2019, 07:00 PM
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Just look for an additive that adds lubricity. If you have access to bio, thats the best additive you can get. Power and mileage gains are all moot points, and as for cetane boosts, i never really saw gains especially after tuning. Bio, standyne lubricity or optilube lubricity are your best bets. Its all about the lubricity.

Lubricity.

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post #6 of 9 (permalink) Old 11-13-2019, 09:04 PM
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I can not find access to Bio fuel.
So I use some Diesel Kleen but I don't overdo it.
My truck is bone stock, 2006 LBZ and hasn't had any real issues to this point.
Keep your filters clean is my other advice, fuel filter and air filters are key.
Diesel fuel is very easy to contaminate with extraneous stuff, it's a dirt and chemical magnet.
A clean engine is a clean tool and a clean tool is a healthy tool is a happy life.
lol
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post #7 of 9 (permalink) Old 11-13-2019, 09:18 PM
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Lucas is a good stabilizer for gas, my motor home, 79 K20 and Geo tracker sets for months my MH for 6 + months plus 2 RV generators.
Before LUCAS they ran a little rough until I got some fresh gas in, since LUCAS they run good after setting.

On my Diesel I use the same LUCAS fuel treatment mixed with Diesel Kleen, been mixing since 2003.
What I’ve found the injectors are a little quieter (no mileage gains) with only LUCAS, DK with cetane a little better mileage.
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Dan
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EFILive ECM ATP - Heavy Tow Tune with Turbo Brake.
EFILive TCM Duramax Tuner
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post #8 of 9 (permalink) Old 11-14-2019, 07:40 PM
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Quote:
Originally Posted by D_R_C View Post
Lucas is a good stabilizer for gas, my motor home, 79 K20 and Geo tracker sets for months my MH for 6 + months plus 2 RV generators.
Before LUCAS they ran a little rough until I got some fresh gas in, since LUCAS they run good after setting.

On my Diesel I use the same LUCAS fuel treatment mixed with Diesel Kleen, been mixing since 2003.
What Iíve found the injectors are a little quieter (no mileage gains) with only LUCAS, DK with cetane a little better mileage.
For the life of me I couldn't figure out what that additive from Ace hardware was!!!

2007 3500HD CCLB DRW 4WD classic
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post #9 of 9 (permalink) Old 11-15-2019, 11:37 AM
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Quote:
Originally Posted by plumbcut View Post
For the life of me I couldn't figure out what that additive from Ace hardware was!!!
Now Iím curious, what was the name of that additive you bough from Ace, I know I

Dan
2007.5 GMC Sierra 3500 SRW L.B."BLACK" C.C. 4X4 LMM Z71
DIY stock airbox mod, aFe ProGuard 7, OEM drop-in
EFILive ECM ATP - Heavy Tow Tune with Turbo Brake.
EFILive TCM Duramax Tuner
DHD Cold Side High Flow Intake Pipe
DHD PCV Re-Route
AirDog 4G100

2007 Yukon Denail "BLACK" 6.2 gasser
DIY stock AirBox Mod, K&N, Airaid intake, EFILive TCM only tuning
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