Best fuel lubricant for cp4 pump. - Chevy and GMC Duramax Diesel Forum
Alternative Fuels - Diesel - Additives - Lubricants Discussion of diesel, its various additives, oils, lubricants and alternative fuels IE: Bio-Diesel ect...

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post #1 of 5 (permalink) Old 04-19-2019, 09:45 AM Thread Starter
 
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Best fuel lubricant for cp4 pump.

I have a 15 lml and Iím looking for a good fuel lubricant. Need advice!!


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post #2 of 5 (permalink) Old 04-19-2019, 10:08 AM
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Water removal, yes....but Not all Diesel fuel additives add lubrication.

'bout all you can go by is the Spicer study from almost 12 years ago....1-10 = okay...13-20 actually lowered the lube rate.
I was using #4, but the supplier went AWOL, so....
I'm using a version of #6 now (2000 SUMMER blend, not tested)....probably the most economical to use....about 0.38cents per 30 gallons treated. 1/gal -> 4000 gals

The study was based on the worst case scenario on purchased fuel (like gasoline), where they obtained raw refined fuel (before the branding additive pack is mixed in) for testing.

Note: Bosch desired standard is 460 HFRR,
U.S. EPA standard is 520
Tested raw fuel (unadditized fuel ) was @ 636.


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Last edited by Hook'em_Horns!; 04-19-2019 at 10:11 AM.
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post #3 of 5 (permalink) Old 04-20-2019, 02:23 PM
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Infineum is a joint venture between XOM and Shell and is one of the world's largest formulators of bulk diesel additives. They publish an annual survey on winter diesel quality. US figures start on page 141. Short version is lubricity testing shows numbers below the EPA standard of 520 and cetane numbers in the mid 40s.

Page 23 in the trends section is worth a read.

https://www.infineuminsight.com/medi...0-14112018.pdf
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Last edited by wensteph; 04-20-2019 at 02:29 PM.
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post #4 of 5 (permalink) Old 04-20-2019, 04:45 PM
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Originally Posted by wensteph View Post
They publish an annual survey on winter diesel quality. US figures start on page 141.
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post #5 of 5 (permalink) Old 04-20-2019, 04:47 PM
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