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Duramax 6600 Discussion Forum for the Duramax 6600 Diesel Engine, including the LB7, LLY, LBZ & LMM engine specific topics.

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  #1  
Old 09-17-2006, 08:02 PM
cwood cwood is offline
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Default best fuel additive for LBZ

I just bought an 06 with the LBZ was wondering what fuel additive I should use, dont pull much so something that helps mpg would be best for me.Had an 04 with LB7 I used a power serve additive, was happy with it but didnt know if there was anything better especially with the new fuel regulations. Any ideas?
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  #2  
Old 09-17-2006, 08:52 PM
DmaxMaverick DmaxMaverick is offline
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Welcome to the Forums!

Have a look at THIS topic. It should answer questions about what you've been using, and other options.

I have been using PS (gray bottle), and will continue using it.
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Old 09-17-2006, 11:34 PM
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Buck Buck is offline
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Sorry Dmax....but a fellow member (guess who?)told me he wouldn't pour Power Service in his drain oil barrel.

I use FPPF total power every tank year-round. This is the best additive there is.
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Old 09-18-2006, 12:29 AM
DmaxMaverick DmaxMaverick is offline
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Quote:
Originally Posted by Buck
Sorry Dmax....but a fellow member (guess who?)told me he wouldn't pour Power Service in his drain oil barrel....
I don't have to guess who.... I wouldn't use it there, either. FPPF may be good stuff, but I wouldn't say it's any better/worse than PS, Racor or Stanadyne. All the products make claims, but none we'll discuss here have been shown to cause harm, or don't do what they claim.

BTW....Racor and Stanadyne are the only additives recommended/accepted by GM. They could deny warranty service for using anything else, if they wanted to.

I won't/don't plug any product here, good or bad. I only relay my experience, and the experiences of others. I've heard Amsoil has good additives, but I haven't used any of them. I use other Amsoil products, though.
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  #5  
Old 09-18-2006, 11:06 AM
Kennedy Kennedy is offline
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Actually the ONLY place I'll pour Power Service is...
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  #6  
Old 09-18-2006, 11:47 AM
DmaxMaverick DmaxMaverick is offline
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Quote:
Originally Posted by Kennedy
Actually the ONLY place I'll pour Power Service is...
I've been using PS for more than 6 years, and Stanadyne before that. Show me why I shouldn't use PS. What makes one product better than the other?
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  #7  
Old 09-18-2006, 07:04 PM
drred4 drred4 is offline
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where can one find these additives? Any store to look in besides trying to purchase on the internet.
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  #8  
Old 09-19-2006, 11:39 AM
Kennedy Kennedy is offline
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Quote:
Originally Posted by DmaxMaverick
I've been using PS for more than 6 years, and Stanadyne before that. Show me why I shouldn't use PS. What makes one product better than the other?

While this old Stanadyne test did not include my favorite additive FPPF Total Power, it shows where PS ranks among many others.

http://www.stanadyne.com/new/ppt/showfile.asp?id=1156


There have been tests that have showed LOSS of lubricity by using certain products, and back a ways, Power Service was reputed to be heavily into the use of alcohols.

P.S. Stanadyne blue is my second choice...
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2002 Chev K2500HD D/A CC Long LT 11.77@ 124mph at 7700# fuel only-e.t. needs help
2005 Chev K3500SRW D/A CC Long LT(SOLD)
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  #9  
Old 09-19-2006, 12:14 PM
DmaxMaverick DmaxMaverick is offline
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Quote:
Originally Posted by Kennedy
While this old Stanadyne test did not include my favorite additive FPPF Total Power, it shows where PS ranks among many others.

http://www.stanadyne.com/new/ppt/showfile.asp?id=1156


There have been tests that have showed LOSS of lubricity by using certain products, and back a ways, Power Service was reputed to be heavily into the use of alcohols.

P.S. Stanadyne blue is my second choice...
I'm familiar with that "Marketing Bulletin". It is 10 years old, but there is some truth to it. PS, at one time, did contain alcohol. Prior to the print date of that bulletin (Stanadyne didn't have current information), PS changed their formulation, and discontinued alcohol use. There was a time when alcohol was a desirable additive to Diesel fuel, but the more current use of aluminum and other component materials caused problems with it. I have a service/repair manual for a 1956 Cat D-4 that recommends alcohol blending for cold temps or fresh engines during breakin (thinner fuel for tight tollerances). The aluminum parts on the Cat fuel system are in the governor assy, which don't contact fuel (or not supposed to, anyway).

I would not consider that document for any basis of product selection. Even the Stanadyne formula used for that "test" is no longer a valid formulation. Also, I suspect the reason FPPF wasn't included in the test was either it wasn't considered at the time to be a "comparible" product, or it wasn't in production. I don't know enough about FPPF to know how it compares to current products, but I won't say it is a bad product, either. All products will offer a similar comparison, showing how their products will perform better than the others. This is why I discard all marketing documentation, for any product. They are good for a basic introduction to the product, but that's it. Very few products (of any type) offer any real-world comparison.

I value your advice, John, but I need more than a 10 year old marketing brochure to make a decision on current technology. You may be entirely accurate, but you'll have to show me, although I'm not from Missouri. I'd abandon PS in a New York minute if there is a better product that provides what I need.
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  #10  
Old 09-19-2006, 02:01 PM
Kennedy Kennedy is offline
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FPPF has independent lab tests, but live in the stone age. A simple pdf would sure be nice, but...
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More than just a salesman-I use and test the products that I sell on a daily basis!
Superflow Lie Detector in house
2002 Chev K2500HD D/A CC Long LT 11.77@ 124mph at 7700# fuel only-e.t. needs help
2005 Chev K3500SRW D/A CC Long LT(SOLD)
2007 Chev K2500 Classic EC Short LT
2012 GMC K3500SRW D/A CC Long LTZ Happy Birthday to me! Built 1 working day after my birthday and delivered 7 days later.

Custom tuning in house using EFI Live tuning software!
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