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 41 (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 41 (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.


List starts on page 6
https://www.jatonkam35s.com/DeuceTec...itive_test.pdf
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Last edited by Hook'em_Horns!; 04-19-2019 at 10:11 AM.
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post #3 of 41 (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 41 (permalink) Old 04-20-2019, 04:45 PM
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Quote:
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 41 (permalink) Old 04-20-2019, 04:47 PM
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post #6 of 41 (permalink) Old 07-21-2019, 09:10 AM
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Bio?

What about 5% Biodiesel added? If you can find it.
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post #7 of 41 (permalink) Old 07-21-2019, 12:11 PM
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IMO, Hook’ems link in his post #2 is more informative on what was tested good to use.
I think our concerns are USA’s fuel quality which we know sucks compared to other countries. where good lubricating fuel additives are a must.

I like Diesel Kleen with slick 50 and Cetane boost.
Lucas has IMO good lubricating and injector cleaning but that’s about it.

On my Dmax I tried both separately.
DK alone my mileage increased very little with cetane boost but the injectors had a little more clatter.
Lucas alone there was no mileage gains but the injectors was quieter.

I actually started to mix both back in 03, for me the best of both worlds, with a cost for additives at about 4-5 cents added to the per gal cost.

My previous diesel 03 6.0 PowerChoke had to be torn down a few times.
The diesel mechanic mentioned he hasn’t had any engines injectors as clean as mine was with my mix.
In Lake Havasu a good number of diesel owners use old grease, he’s found small chunks of chicken fat clogging the injectors.
Not a very good comparison old chicken fat grease mixed with diesel to a actual additive in diesel.

Dan
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post #8 of 41 (permalink) Old 07-29-2019, 12:25 PM
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what are your thoughts on this?

5 Best Diesel Fuel Additives of 2019 (And Why They Are Worth Buying!)

2008 Silverado 2500 Crew Cab Z71
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post #9 of 41 (permalink) Old 07-29-2019, 01:02 PM
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#1 should be #10 or higher.
Lots of people like and use Opti-lube
I use DK and LUCAS
The others I donít know.

Dan
2007.5 GMC Sierra 3500 SRW L.B. "BLACK" C.C. 4X4 LMM Z71
DIY stock airbox mod, aFe ProGuard 7, OEM drop-in
EFILive ECM ATP - Heavy Tow Tune with Turbo Brake.
EFILive TCM Duramax Tuner
DHD Cold Side High Flow Intake Pipe
DHD PCV Re-Route
AirDog 4G100


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post #10 of 41 (permalink) Old 07-29-2019, 04:58 PM
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I've used OptiLube every other fill up since using Propel Fuels instead of Diesel #2. I've tried Biodiesel, but it smells.

Gerry

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