General Boards > Technical Support
Lucas deisel additive
Jerry Leonard:
I have a 400 hp C9. I tried Lucas deisel additive for a 2000 mile trip and found at least a .8 mpg improvement on my 39 foot 08 contessa. Has anyone tried this? The truckers use thise stuff all the time. I think its Ok on the 400 but not the 425 C9. Is there any damage one could do by using this???
Thanks
Jerry Leonard
LEAH DRAPER:
Why NOT the C9 425 hp?
Gerald Farris:
From the research that I have done on diesel fuel additives there are several reasons to use them. It can be used as a biocide, water in fuel control, a stabilizer, a lubricity improver, an injector cleaner, an antigel, or a cetane improver.
The diesel fuel additive that you chose, if you use one, depends on what you are trying to accomplish with the additive. If you are using an additive for fuel economy improvement only, there is no clear cut answer.
Most of the independent studies that I have read indicate that an additive that is designed as a cetane and lubricity improver, and an injector cleaner, will improve your fuel economy. Although the economics of using an additive usually works out to the amount money that is saved on fuel is offset by the cost of the additive.
So you probably will not save money on your fuel budget, but there are other benefits that vary by the properties of the fuel that you are using.
As for as using an additive in a 400 HP C9, but not a 425 HP C9, there is no technical evidence to back up that viewpoint that I have ever seen.
Gerald
Keith Moffett Co-Admin:
Hi Gerald. As youre the GO TO guy on this, perhaps you will know. In our 300 or 330 hp CAT, would the occasional use of a cleaner base product work like a gas engine injector cleaner. We only have 75K miles but at 12 years old it might be smart to use this additive to give her a cleanup?
Thanks
Jerry Leonard:
I am not sure about the 425 C9...CAT told me its a very different set up but probably has nothing to do with additives.
Jerry
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