AMSOIL Bypass Filtration Systems

[Duluth Diesel]

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The Ea By-Pass Oil Filter (EaBP) provides the best possible filtration protection against wear and oil degradation. Working in conjunction with the engine’s full-flow oil filter, the AMSOIL Ea By-Pass Filter operates by filtering oil on a “partial-flow” basis. It draws approximately 10 percent of the oil pump’s capacity at any one time and traps the extremely small, wear-causing contaminants that full-flow filters can’t remove. The AMSOIL Ea Bypass Filter typically filters all the oil in the system several times an hour, so the engine continuously receives analytically clean oil.

Single mount that retains the full flow filter on the engine and uses the billet oil return cap BMK21: BMK-21 Install Instructions PDF

Dual mount with both full flow and bypass filters remote mounted BMK-25: BMK-25 Install Instructions PDF

Higher Efficiency
AMSOIL EaBP Filters have an efficiency of 98.7 percent at two microns. At normal operating RPMs the EaBP Filter will filter all of the oil in a typical five quart sump in less than 10 minutes.

Superior Construction
The superior construction of AMSOIL EaBP Filters provides better sealing and increased longevity along with superior corrosion resistance. AMSOIL EaBP Filters have a marine powder coated exterior; and their zinc-dichromate base plates increase rust protection. EaBP Filters have a nitrile HNBR gasket and an orange silicone anti-drain valve. The two stage pleated and layered cellulose/full synthetic media has an efficiency rating of 98.7 percent at two microns.

Longer Lasting
When used in conjunction with AMSOIL motor oil and an AMSOIL EaO or Donaldson Endurance™ filter, the EaBP should be changed every other full-flow filter change up to 60,000 miles. When used with other brands of motor oil or full-flow filters, the EaBP Filter should be changed every other full-flow filter change. AMSOIL recommends using oil analysis when extending oil drain intervals.

Increased Oil Capacity
The increased fluid system capacity and filtration life provides improved oil cooling and ensures that equipment constantly runs on clean oil. Engine efficiency is increased, providing extended engine life.

Soot Removal
AMSOIL has designed a high-efficiency by-pass filter element that is also a soot removal device. AMSOIL Ea By-Pass Filters use a synthetic/cellulose sandwiched media. The inner layer of the element is composed of a highly efficient cellulose media covered with a full synthetic media outer layer. These filters remove 39 percent of soot contaminants less than one micron. Soot removal efficiency increases approximately 10 to 14 percent when the EaBP Filter is used in conjunction with a standard full-flow filter.

By-Pass Filtration Benefits
• Dramatically Extended Drain Intervals
• Improved Oil Cooling
• Increased Filtration Capacity and Life
• Increased Fluid System Capacity
• Efficient Small Particle and Soot Removal
• Significantly Extended Engine Life
• Equipment Constantly Runs on Clean Oil
• Increased Engine Efficiency
• Remove Particles Less Than One Micron

Dual Remote Filter System
The AMSOIL Dual Remote Oil Filtration System converts an engine’s full-flow oil filter system into a full-flow/by-pass oil filtration system by attaching an AMSOIL Full-Flow Oil Filter and AMSOIL Spin-On By-Pass Oil Filter onto a remote mount. The Dual Remote System provides superior filtration efficiency, increased oil capacity and improved oil filtration accessibility. See the G1092 brochure for more info on the Dual Remote Filtration System.

2004 and newer Dodge 5.9L Cummins Diesels
To ease installation of the BMK21 in 2003 and later model Dodge pickups equipped with the 5.9L Cummins diesel engine, AMSOIL offers the new 1/8" NPT - 1/4" JIC fitting (BP241), the Aluminum Billet Oil Fill Cap for Dodge 5.9L Cummins diesels (BK1303) and the 90-degree JIC Elbow (BP242). The BP241 fits onto the existing plug on top of the OEM full-flow filter mount, and the addition of the BK1301 eases the installation of the oil return line.

What is bypass filtration and how does it work?
The standard Mopar oil filter for these trucks filters down to about 35 micron at 98.7% efficiency. The Mopar filter is made by Fleetguard, but it is their cheaper paper (cellulose) filter. It is a low cost filter made for Dodge dealers to throw on our trucks.

Fleetguard is a good company and is a wholly owned subsidiary of Cummins. They make a better filter called their Stratapore filter. This filter has a synthetic filter media (microglass) is rated at 25 micron at 98.7% efficiency.

The particles suspended in your oil that do the most wear over time are between 7 and 12 micron. Much of these particles are soot from diesel fuel combustion (soot loading) and full flow filters miss most of it. So rather than filtering out these particles, they are passed through the filter and remain circulating in suspension in you oil and staying in your engine and bearings.

The challenge for filter manufacturers is to product a filter that filters soot and other particles out better but still flows well enough so it does not starve the engine of oil pressure. Different filter medias exhibit different flow properties, like how many gallons per minute they can flow for each square inch of filter media surface area. You could take stacks and stacks of paper filter media and make a filter that was rated to capture 2 micron particles at 98.7% efficiency, but it would require a huge filter element with lots of surface area to overcome the fact that cellulose has poor filtration and flow characteristics. You'd have a paper filter the size of your truck bed to flow at full flow and filter that well.

So the first thing to deal with is the fact that to get filtering that gets down to 2 micron at 98.7%, we need better filter media with better flow characteristics so we don't need huge filters that can't fit anywhere. The other factor that comes into play still is flow rate. Hence the term "bypass." Rather than try to filter 100% of your oil pumps throughput, a bypass system takes about 10% of the oil pumps throughput and filters that oil down to 2 micron. The other 90% of the oil passing the filter intake is not taken into the bypass filter but rather just passes through the full flow filter as usual. This means that your full flow (normal) filter still gets a pretty full feed of oil to filter while the bypass system sips off 10% to super filter. So this equates to your truck like this: In 10 miles of driving, the bypass filtration system super filters your entire oil capacity once down to 2 microns at 98.7% efficiency.

Getting back to full flow filters with the Mopar at 35 micron and the Stratapore at 25. AMSOIL uses Donaldson Endurance nanofiber filtration technology in their full flow filters as well. The AMSOIL full filters are rated to 15 micron and flow better than the cellulose 35 micron filters. By having a good 15 micron full filter along with a bypass filter you have a full flow filter that captures a bigger majority of the particles suspended in oil, leaving your bypass system to do a better job on the finer particles rather than clogging up with sub-35 micron particles. The whole idea is to couple good filtration with great oil to get the best engine protection and oil longevity.

The FS2500 bypass system is rated to 2.78 micron at 98.7% and costs more than double what the AMSOIL system costs. AMSOIL has been making bypass filtration systems for over 25 years now. The AMSOIL system is rated to 2.00 micron at 98.7%. So with the AMSOIL system you are getting better filtration for less $$$.

With AMSOIL engine oil and an AMSOIL bypass system, you can run 15k miles, then change your filters, go 15k more miles, then dump oil and change filters. Intervals may be shorter on modified or over-fueled engines due to increased soot loading rates. You don't have to do oil analysis constantly, but once in a while is a good idea to see how things are going. Oil analysis is also great to check for fuel in oil (bad injector) or coolant in oil (bad head gasket or oil cooler).

New AMSOIL Bypass Systems come with a voucher for 1 free oil analysis from Oil Analyzers Inc.

[diggerdave]

very good system i must say

[DAFBFD58]

Do you know if ford has voided warranties because of these systems? I talked to a dealer around me but they are no longer the one who maintains our ambos. I'm looking for a way where we can extend service life of the motors because we just replaced one motor and the whole bill, 16 grand, came out of the departments pocket. They would not cover the replacement because the motor hours to oil change ratio was not within their requirements. We all know how the egr systems really shorten the life of each motor and most ambos spend half their life at idle. If its not idling on the hospital ramp its doing it at the emergency scene. So If I can do an oil analysis on each unit and submit it to the dealer the cost of each filter kit could pay for itself with out having to change the oil a couple times. I signed up to be a amsoil dealer but could not devote the time to become good at it or sell any. What I'm looking for is info on how ford would deal with a system like this. Can ya help?

[nh_megacab_nh]

Id like to get one of these eventually. What's the approx price of one for a 2006 cummins 5.9

[DAFBFD58]

I'm guessing about 400 after filters adapters and shipping

[06CCDMAX]

These are VERY nice setups, one of the things on my mile-long list.

[nh_megacab_nh]

ok thanks. my friend is a amsoil dealer and supposedly she'll sell me there stuff at cost so i will have to investigate