The D-Max 2019 Fuel Filter Shootout!! Pt 1 - Page 26 - Chevy and GMC Duramax Diesel Forum
Maintenance Discuss scheduled maintenace, capacities, filter part numbers, etc.

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post #251 of 323 (permalink) Old 11-07-2019, 07:19 PM
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Originally Posted by eli_harper13 View Post
My red baldwin that did have the two stage filter rattled and Bobs TP3018 rattles (two stage). Thats just the two I remember off the top of my head. I don't thing anyone with a single filter baldwin has reported that they rattle, but they may rattle too
The single stage Baldwin I have rattles.
Both the 2 stage Racor and Delco 3018 spares I keep in the tool box do not rattle.
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post #252 of 323 (permalink) Old 11-07-2019, 09:08 PM
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I did not get a chance to stop by Galles filter to see what they had for filters in stock. Now I have more questions about the Baldwin info. I could be totally wrong but I remember the BF46062 came out in 2017 after the merger/buyout and the first one I seen was a Racor painted red. Now after June 2019 they are a different single stage design. The AC Delco TP3018 came out in like 2014 which would be a full 3 years previous to the BF46062 but the Baldwin guy is claiming they came out at the same time.

I have to got find a Racor/AC Delco made after June 2019 to see what is going on.

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post #253 of 323 (permalink) Old 11-07-2019, 09:35 PM
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There has been some question about what a coalescing filter would be. Here is a partial quote from the Webster online dictionary:

coalesce verb

co​a​lesce | \ ˌkō-ə-ˈles \
coalesced; coalescing
Definition of coalesce
intransitive verb

1: to grow together
The edges of the wound coalesced.
2a: to unite into a whole : FUSE
separate townships have coalesced into a single, sprawling colony

To put this into context for a fuel filter, particularly a two stage filter, it would mean that the media would capture smaller water droplets and combine them into larger droplets. Then the larger droplets would settle out to the drain at the bottom of the filter. This would allow a filter to remove water even after a lift pump had pretty much homogenized the fuel. It would also allow the filer to be 99% efficient at removing water where a single stage filter would pass the smaller water droplets and be less efficient overall. Once coalesced, the large water droplets would be easier for the main filter to keep from passing.

I don't work for a filter maker and I have no inside info but it seems to me if you are going to claim coalescence then that would be what it would be about. It is also possible that a newer filter material could do the whole thing in one step but that is purely guesswork.
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post #254 of 323 (permalink) Old 11-08-2019, 05:50 AM
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So if the filters across the board are switching over to this cheaper and theoretically inferior design, does this possibly make the loathed CAT filter mod a better option? The way i see it, if your not getting water separation anyway, may as well get the industrial filter that's probably built to a higher spec.
Just run a Donaldson filter in place of a CAT, they make a filter with the same thread pattern that is a water separator.
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post #255 of 323 (permalink) Old 11-09-2019, 10:33 PM
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I don't know what the advantage is but, I'll pay the extra $5 for the 3018.

Baldwin [email protected] $29
AC Delco TP3018 @ $33.76
I have a TP3018 from the last time I changed filters for a spare.
Its 36* out and I went out and got it out of the truck to see if I could shoot an arrow through it.
Nope looks good to my understanding but well see.
Im gonna wait for all the tests before I change it just to be safe.
Water separating filter without a W separator,geez
Thanks FOR TEST/Inspection.
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post #256 of 323 (permalink) Old 11-10-2019, 01:21 PM
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Quick thought...
What firestorm has been created in the companies about the inquiries made? I would sure like the email server hacked!
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post #257 of 323 (permalink) Old 11-10-2019, 08:31 PM
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In as much as several of the low rated filters could be improved to at least acceptable levels for almost nothing, I hope what AlisoBob is doing will get them to make the necessary changes. For instance the IFJF filter could at least become usable if they just shortened the housing by 1/8". It would be a free adjustment on the trimmer that sizes the can after it has been formed. There would still be other problems but nothing that made it unusable for someone who couldn't afford anything better.

Not that it really matters to most of us. Once we know what the good ones are it will primarily be a matter of price. A top filter at a good price will be the choice of most of us.

What would be really cool is if we saw a link on a filter manufacturer's page to this thread.
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post #258 of 323 (permalink) Old 11-17-2019, 02:29 PM
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This^
I suspect that the specs will remain the same, without the secondary polishing element.
So, just to make sure I understand the state of things now: the filter manufacturers changed the design which removes the water separation capability and now the filters that fit our trucks don't filter out the water? I'm fairly new to diesels and just trying to read all these threads and make sense of things.

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post #259 of 323 (permalink) Old 11-17-2019, 02:36 PM
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No. FWS don't have to have a 2nd stage polishing element, to remove water.

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post #260 of 323 (permalink) Old 11-17-2019, 02:42 PM
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Quote:
Originally Posted by Hook'em_Horns! View Post
This^
I suspect that the specs will remain the same, without the secondary polishing element.
So, just to make sure I understand the state of things now: the filter manufacturers changed the design which removes the water separation capability and now the filters that fit our trucks don't filter out the water? <img src="http://www.mysmiley.net/imgs/smile/confused/confused0082.gif" border="0" alt="" title="confused0082" class="inlineimg" /> I'm fairly new to diesels and just trying to read all these threads and make sense of things.
The manufacture (Parker) for the Baldwin, AcDelco, Parker. Changed the design and removed the secondary filter. They claim that that filter will work the same as before. This has yet to be confirmed. But is there claim.

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