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I'm considering the Amsoil dual bypass oil filter set up. I've already got a CAT pre OEM fuel filter. If everything else holds together, I'd like to drive the Dmax 400K miles. Right now I'm putting on 20K per year, but that may increase. I've read that with the oil bypass filters, there is very little wear on the engine. Since its only $175, seems like it should be worth it.


What are your opinoins? Is it worth OK?


Thanks.
 

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I like oilguard. Simpler and easier to work on and cheaper to service. They have a new adapter for the Duramax also that may not be on their website. Call and ask for Mark Meddock, very helpful. SPICER
 

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Arlen,


Glad to see you've made it over here.
 

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There is something MUCH better than the AMS on the horizon. I figure it to be on the market within the next couple of months. I recommend that you wait for it...


I ran the AMS, if you would like some feedback on it, shoot me a PM or email.








Ox
 

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Im running the oilguard filter kit. I broke one of the stock hose kits by overtightening it. So I had a local Napa make up some 5000psi hydraulic lines as the hoses. I feel safer too.

After seeing a guy here had a clean dipstick (gold oil) after 3k miles I made the choice. It filters to 1 micron.

The military uses oilguard on some vehicles.
 

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At 7k I installed Amsoil dual remote setup, and I don't knoww how anything could be any easier to service! I inslalled just to rear of stock filter location, fabricating a bracket to fasten to floor pan after removal of a small shield that was there. the filters hang straght down and can easily be filled before installing. The hoses are only about 12" long, and now at 12k the Amsoil 5W-30 synnthetic diesel oil is only slightly darker than when installed.
 

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dirty old man, How did you mount it to keep from getting the pump harmonics resonating through the cab. I had mine mounted and after a couple hundred miles removed it as the noise was driving me nuts. I was thinking of mounting it back arounf the fuel cooler area and running some high psi hose fwd? Idea's and comments greatly appreciated. AkDually61
 

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I mounted my Amsoil BK17 on the frame by the original filter using the bracket supplied buy Greg Landuyt at Lubespecialist. Worked great. No vibration. Lines about 12" long.
 

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Mr. Victory Red, I guess I was lost and then found! I was wondering where all the regulars went on TDP!! I am so busy in the fall cutting down trees that I missed the transition! Anyway, I wanted to contact you about an idea I have....I will look for your number but if you can call me soon. SPICER
 

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Cool Arlen, I need some more firewood
. Anyhow I PM'd you with my numbers so if I can't find yours, you can't find mine.


This place just seems a lot more friendly and open. I don't want to start another I hate thread though, but I'm having more fun here.
 

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dirty old man said:
At 7k I installed Amsoil dual remote setup, and I don't knoww how anything could be any easier to service! I inslalled just to rear of stock filter location, fabricating a bracket to fasten to floor pan after removal of a small shield that was there. the filters hang straght down and can easily be filled before installing. The hoses are only about 12" long, and now at 12k the Amsoil 5W-30 synnthetic diesel oil is only slightly darker than when installed.
Basically the same here, only I run the 15w-40.
I have a custom bracket mounted to the frame too.
Never heard of the vibrations mentioned above....

Also, there's nothing to prevent you from running
BOTH oilgardand& the Amsoil BMK-17 at the same
time... ;)

I just don't care for either of the oilguard
return hose solutions (pan plug or filler cap)
so I chose the dualguard.

good luck,

T.
 

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moved--off topic--sorry.


JoshEdited by: GMCSLEHD
 

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I did pick up a slight whine, more noticeable at cold oil temps. I figure I'm hearing the oil pump, since the bracket I built is bolted right to floor pan.


A bracket bolted to frame would alleviate this due to factory isolators between frame and body. But the bracket is complicated immensely by the longtitudal running torsion bar. The day may come when I take the time to build such a bracket, or check into the one mentioned above. But for now, I just tune out the whine and turn up stereo!
 

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dirty old man said:
I did pick up a slight whine, more noticeable at cold oil temps. I figure I'm hearing the oil pump, since the bracket I built is bolted right to floor pan.


A bracket bolted to frame would alleviate this due to factory isolators between frame and body. But the bracket is complicated immensely by the longtitudal running torsion bar. The day may come when I take the time to build such a bracket, or check into the one mentioned above. But for now, I just tune out the whine and turn up stereo!
Torsion bar clearace is why we built my bracket
with the BMK-17 mounted at an angle instead
of at 90 to the frame. Here's some pics of it;
Bracket

hope this helps,

T.
 

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Pardon my ignorance but what benefit does that bypass filtering have? Is it simply a better filter, i.e., tigher mesh or something else?





Thanks
 

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Bypass filtering is in addition to full flow filtering. The full flow filter filters all the oil all the time before it reachs the engine after coming from the oil pump {unless it's loaded up and opens up the internal bypass}. As a consequence, it can only catch particles dowm to about 20-30 microns,and the smaller stuff goes on thru bearings, etc.


Bypass filter only filters part of the oil, but at a much finer degree, down to as small as 1-2 microns. Since the oil is constantly ciculating thru this bypass filter, it does filter all the oil evry few minutes of run time, and the cumulative result is a much cleaner oil.


Terry, appreciate your [pics of bracket, but I can't visuallize just how it fits and positions the filters, please elaborate.


I could have mounted the Amsoil filter base to side of frame rail sideways as some have done. But then you can't prefill the filters, as they are horizontal,and I don't like the idea of the engine running long enough to pump approx 3 qts. oil into filters on initial startup after filter change.
 

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Using the Landuyt bracket on the Amsoil head the filters are vertical. Best picture I have of the bracket right now.Edited by: Ragtop
 

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dirty old man said:
Bypass filter only filters part of the oil, but at a much finer degree, down to as small as 1-2 microns. Since the oil is constantly ciculating thru this bypass filter, it does filter all the oil evry few minutes of run time, and the cumulative result is a much cleaner oil. ....


...I don't like the idea of the engine running long enough to pump approx 3 qts. oil into filters on initial startup after filter change.

Excellent Bypass filter explanation!
Also, regarding pre-filling filters, I also like to pre-fill mine. But, If I’m not mistaken the engine oil flow is from sump to bearings then to the filter. So, if the filter takes a few seconds to fill it shouldn’t keep oil from getting to the bearings fast.
 

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I modified my Landuyt bracket to center the cartridges (vertical) between the torsion bar and front drive shaft and also raised the filters up as high as possible without contacting the floorpan. Been real happy with mine - and just got another excellent analysis report on my 75K oil drain. Pictures are in the Pics link in my signature below.





Edited by: Idle_Chatter
 
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