Duramax Diesels Forum Truck of the Week
  #1  
Old 05-19-2017, 07:46 PM
fraserg fraserg is offline
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Default Diesel Additive in an LMM?

Got an '07 LMM in October as my first diesel. Only recently read about additives for the first time and decided to pick up some Royal Purple Maxtane. Used one bottle so far and was wondering if I should keep doing it and if it actually makes big difference in the LMM? What kind of additives do people run usually? Truck has 200 000 KM on it now, completely stock.
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Old 05-19-2017, 07:50 PM
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Moved to Fluids and Maintenance. Search this section, there are many threads about this subject. I use PowerService when I think of it while fueling. Sometimes 2 stroke. Usually nothing.
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Old 05-20-2017, 03:14 AM
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I run powerservice in the grey bottle, it helps mine run quieter. Doesn't run much better, unless I'm runner shitty fuel then it really helps.
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Old 05-20-2017, 04:18 AM
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^^^ Made my LMM about half as loud too...
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  #5  
Old 05-20-2017, 04:34 AM
N2BRK N2BRK is offline
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Optilube summer at every fill. In the winter I use the regular stuff from XDP. I hit up biodiesel whenever I pass the station a few towns over. Perfect balance rates
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Old 05-20-2017, 04:56 AM
FSUwelder1212 FSUwelder1212 is offline
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If you still have DPF intact, additives don't always play nice with them. On my LML optilube caused me more frequent regens, many others have reported the same.
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Old 05-20-2017, 05:08 AM
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Stanadyne in every tank, 5% bio. Good balance rates here too. Never run the truck without it so no clue if it does anything for anything but it makes me feel good
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Old 05-20-2017, 05:33 AM
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Love me some Stanadyne as well. Just recently switched over to Optilube to compare.
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Old 05-20-2017, 05:52 AM
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I run Amsoil's fuel additive. I've had bad luck with power service and water in fuel lights. Could of just been luck of the draw but I always use the same fuel station.
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Old 05-20-2017, 07:50 AM
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I tried optilube and didn't notice a difference, so figured $7.99 for 3 tanks of stanadyne I was better off, available at most stores too.
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Old 05-20-2017, 05:18 PM
N2BRK N2BRK is offline
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Opti summer is cheaper than Stanadyne and arguably works better. I don't know what you are expecting to feel?

http://www.dieselplace.com/forum/76-...y-results.html
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Old 05-20-2017, 06:02 PM
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Nothing at all haha. That's what I'm saying . Just makes me feel good for doing it, and my parts guy carries it.
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Old 05-21-2017, 04:00 AM
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FWIW, I pissed in the fuel tank on the LLY and it made the injectors clatter once and a while til the tank was ran out.
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The Blessed Hellride- 08' White GMC Sierra SLT CC/SB,
100k miles-FOR SALE

Wife's ride- 2016 Pearl white Legacy limited 3.6R 15k miles, garage ornament

Rig ride/patience tester-02' Black Eddie Bauer exploder 4.6, -180k, still sporting original trans (for now)
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Old 05-21-2017, 08:25 AM
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Lmao
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  #15  
Old 05-21-2017, 09:38 AM
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SickLL7Crenshaw SickLL7Crenshaw is offline
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Quote:
Originally Posted by WVRigrat05 View Post
FWIW, I pissed in the fuel tank on the LLY and it made the injectors clatter once and a while til the tank was ran out.
Haha and I believe it
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