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Diesel Owners - 50 vs 10 PPM

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7.7K views 4 replies 3 participants last post by  mzezman  
M
#1 ·
This is uncharted territory for me so what better place to learn that the ever knowledgeable forum :) (that was a compliment btw)

While filling up in pretoria last night i asked the attendant for the usual - 50ppm diesel. While he was pouring i noticed that right next to the 50ppm pump was a 10ppm pump. This was the first time i had ever seen it - I normally see garages with 50 and 500 PPM. Now this intrigued me. The booklet points towards using 50ppm but i wanted to find out:
  1. What is the main difference between 50 and 10 PPM?
  2. In the newer engines, which one would work better?
  3. Can one mix 50 and 10ppm, i.e. if your tank is 50% full with 50, can you fill up the rest with 10ppm?
  4. Could using anything other than 50ppm change the behaviour of the EGR? - given that we have noticed a number of EGR related issues

Any info you might have would be most appreciated - i was unable to find any data for the V40 when i googled and it seems 10 is not that popular / widespread.
 
Discussion starter · #3 ·
anixie said:
Less sulfur is better for the environment (if the other crap they add doesn't make it worse again
I am guessing you are known as youda on mybroadband forum ? :)
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Are you active on MyBB as well ? No not youda - powermzii
The price difference (at this station wasn't that great so would be keen to try it (if it is safe)
 
Discussion starter · #5 ·
Gotcha said:
You get the 10ppm only at Sasol in SA. I have tried both to test, just 50 or just 10. I have to say, end conclusion was 50 was best on the D, I could feel there was a power/tq difference in favour of 50ppm, and it looks like fuel consumption was higher on the 10ppm. Just stay away from 500 on our cars!!


10ppm burns cleaner and should be "better" for the EGR valve. I had a look at mine a while ago, and it was not that dirty at all. Removed the pipes, used some Carb cleaner and sprayed it clean.
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Fantastic - thanks for this info. I found it at an MBT station (they seem to be popular in PTA and i get the diesel there cheaper than at Caltex for eg.). Will stick to 50
 
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