LML / Donaldson DBL7483 Oil Filter Conversion - Page 16 - Chevy and GMC Duramax Diesel Forum
Maintenance Discuss scheduled maintenace, capacities, filter part numbers, etc.

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post #151 of 181 (permalink) Old 12-11-2019, 05:19 PM
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post #152 of 181 (permalink) Old 12-11-2019, 05:20 PM
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Originally Posted by mizterwizard View Post
So now we are going to have an argument over the color of a filter????

I have a Case backhoe. The engine is "Flambeau Red" according to Case. But some parts of it are now "Chevy Orange". I defy anyone to tell me which is which.

As far as whether the L5P has a bypass valve in the filter base, I don't have any info on the L5P so I can't say for sure. However, I would be really surprised if it turned out that it didn't. Lots of engines have this valve built into the filter base and I would bet that the L5P still has one but the way to tell would be to look up the part numbers in one of the online parts sellers. If they are the same then yes it has a bypass filter. If they are different then you need to look at a picture of the part to tell if it has a bypass.


Does this really surprise you though?

I too would be surprised if there was no some way for oil to bypass a clogged filter internally designed into the head.

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post #153 of 181 (permalink) Old 12-11-2019, 06:58 PM
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Officially
Caterpillar Called it "Hi-Way Yellow" in 1931
then changed the hue of it to "Caterpillar Yellow" in 1979

Not an argument

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post #154 of 181 (permalink) Old 12-11-2019, 07:04 PM
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Originally Posted by mizterwizard View Post
So now we are going to have an argument over the color of a filter????

I have a Case backhoe. The engine is "Flambeau Red" according to Case. But some parts of it are now "Chevy Orange". I defy anyone to tell me which is which.
Welcome to the internet, we argue about everything, because why not.

As for Case flambeau red vs Chevy orange, they are absolutely more similar to each other than safety orange vs CAT yellow, but they are clearly different.
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post #155 of 181 (permalink) Old 12-11-2019, 08:13 PM
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Originally Posted by 6686L View Post
Based on what we have seen, may I assume it is safe to say that in terms of actual oil filtering, the difference between the Donaldson & the CAT is that "if you like BLUE paint on your oil fitler's can, go to the Donaldson...and if you like ORANGE paint on you filter's can go to the CAT?
Are you so lazy that you cannot do a little research on your own?

Google answered your question in 2 seconds.

"The 1R1807 is the a member of the CAT "high efficiency filter" line. The absolute micron rating on these filters is 24.
The Donaldson DBL 7483 Blue is a little better. Absolute micron rating 15"
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post #156 of 181 (permalink) Old 12-12-2019, 10:39 AM
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You did not waste your money. The CAT filter at 24 microns beats the AC. Use the CAT you have,then at the next oilchange you can stay with the CAT or buy the Donaldson
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post #157 of 181 (permalink) Old 12-12-2019, 11:41 AM
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Originally Posted by HWI View Post
Welcome to the internet, we argue about everything, because why not.

As for Case flambeau red vs Chevy orange, they are absolutely more similar to each other than safety orange vs CAT yellow, but they are clearly different.
I still don't think you would be able to tell the difference, "on the tractor". The Case paint (Tisco) was pretty expensive so I got some rattle cans of Chevy engine orange because I thought it would be close enough. When I applied it to the engine parts I couldn't tell the difference but I have poor color vision. I asked several other people and while they all agreed that there is a slight difference they also agreed that if they were not asked directly about it they would never have noticed.

Maybe it all comes down to the particular paint manufacturer's interpretation of the two colors or something like that but on the tractor they are almost identical.

And this has a lot to do with Duramax trucks because.................well maybe not.
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post #158 of 181 (permalink) Old 12-12-2019, 12:04 PM Thread Starter
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So, back to the topic at hand. Based off the oil analysis done on the LML, I'm rolling rolling the dice on the LLY and am going to go the full 2X OCI before I swap out the oil and Donaldson filter.


The LLY currently has 11k miles on the oil, and the reset oil life percentage reads 72% life left.

I'll run it down to 0%, or 16k miles total mileage whichever comes first and send in a sample.... Total engine miles at that point will be 327,000. Total engine hours will be somewhere around 8400

This is a good vehicle to do this on as it uses zero oil, so every drop will have gone the full 16k miles, with no makeup oil.

We'll see how it goes.
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post #159 of 181 (permalink) Old 12-12-2019, 05:08 PM
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Originally Posted by AlisoBob View Post
So, back to the topic at hand. Based off the oil analysis done on the LML, I'm rolling rolling the dice on the LLY and am going to go the full 2X OCI before I swap out the oil and Donaldson filter.


The LLY currently has 11k miles on the oil, and the reset oil life percentage reads 72% life left.

I'll run it down to 0%, or 16k miles total mileage whichever comes first and send in a sample.... Total engine miles at that point will be 327,000. Total engine hours will be somewhere around 8400

This is a good vehicle to do this on as it uses zero oil, so every drop will have gone the full 16k miles, with no makeup oil.

We'll see how it goes.
Thanks for being the guinea pig, I mean volunteering your truck for this. Will be interesting to see the numbers on the UOA. Once I get my new truck I'm going to seriously look into this modification and see if it will work on the new L5p's. Hopefully someone will have already tested it out to see.

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post #160 of 181 (permalink) Old 12-12-2019, 10:15 PM
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About the "stock" AC/Delco filter that apparently serves so many so well. How does it compare to the CAT & DONALDSON?
A/C Delco Gold (Professional) filter:
The nylon core of the ACDelco Gold (Professional) Oil filters are engineered with filtration to capture particulates as small as 30 microns.


This from their website and appears to be their top-of-the line filter.

The statement "capture particles as small as 30 microns" doesn't really mean anything. I would have to assume the absolute rating would be 40+ microns.
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