LML / Donaldson DBL7483 Oil Filter Conversion - Page 2 - Chevy and GMC Duramax Diesel Forum
Maintenance Discuss scheduled maintenace, capacities, filter part numbers, etc.

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post #11 of 129 (permalink) Old 04-09-2019, 07:06 AM
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So this bigger filter seats and seals well to the oil filter mount? That would be my only concern. Because it is a slightly larger diameter, correct?

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post #12 of 129 (permalink) Old 04-09-2019, 10:29 AM
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so I have 2 questions.

1. possibly put a little blue loctite on the threads to make sure it stays put?

2. has anybody verified if this works on the L5P?

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post #13 of 129 (permalink) Old 04-09-2019, 11:21 AM
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Good work Alisobob!!!!

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post #14 of 129 (permalink) Old 04-09-2019, 11:26 AM
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I find the bump in oil pressure intriguing


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post #15 of 129 (permalink) Old 04-09-2019, 11:56 AM Thread Starter
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Quote:
Originally Posted by Riley 1820 View Post
Could this be because oil isn't up to temp?
Yes, cold thick oil makes a bigger difference in the "Filter Pressure Drop". Once its warmed up, the pressure returns to normal.

Its amazing that a filter media designed to a smaller micron rating, will flow more oil.
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post #16 of 129 (permalink) Old 04-09-2019, 11:59 AM Thread Starter
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Quote:
Originally Posted by eli_harper13 View Post
So this bigger filter seats and seals well to the oil filter mount? That would be my only concern. Because it is a slightly larger diameter, correct?
Its much larger in diameter.... and the rubber gasket just barely hangs off the edge of the stock filter mounting pad.

This does not appear to be an issue.
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Last edited by AlisoBob; 04-09-2019 at 12:17 PM.
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post #17 of 129 (permalink) Old 04-09-2019, 12:03 PM Thread Starter
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Quote:
Originally Posted by nmeyer414 View Post
so I have 2 questions.

1. possibly put a little blue loctite on the threads to make sure it stays put?

2. has anybody verified if this works on the L5P?
1.The stock nipple has no loctite. The instant you break it loose, it just unthreads with zero effort.

2.The L5P takes the same filter as the earlier D-Maxs, so it should work as long as GM did not alter the filter mounting pad.
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post #18 of 129 (permalink) Old 04-09-2019, 12:09 PM Thread Starter
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Originally Posted by WOLFN8TR View Post
I take it this will also work on the LMM with the same adapter?
Yes. The stock D-Max either has a nipple with a 15/16" hex built into it....



or.... a straight nipple you need to pull out with a EZ out, or something similar.


Either way, the instant it "breaks free"... it unscrews with zero effort.

I take the new nipple and put it in the freezer to get it nice and cold, and then screw it right in with a 1/2" drive ratchet.....

Easy-Peasy
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post #19 of 129 (permalink) Old 04-09-2019, 12:13 PM
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So In the end best filter choice has NO Bypass ; lol after all the talk about bigger bypass valves, so glad you kept looking and kept open mind! We should all be that way; look at the info you have make the best choice can but always keep mind open to new info and never be afraid to change mind if new facts come to light. Thx
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post #20 of 129 (permalink) Old 04-09-2019, 12:24 PM Thread Starter
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Originally Posted by New2diesel2003 View Post
...the best choice can but always keep mind open to new info and never be afraid to change mind if new facts come to light. Thx
Well, Mr. Wizzy laid some knowledge on us, that the filter mount has its own bypass inside, to flow oil around the filter if it gets clogged or if the oil is too thick to flow through the element.

If I lived in North Dakota, I'd probably still run the Baldwin with its nice bypass feature, just to make sure everything gets oiled properly until the oil warms up.

Winter in Orange County is pretty mild. 50 degrees is all it gets, so going with a full flow ( no bypass) filter is possible.
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