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Any car owners with bypass and huge mileage? #2716985 08/17/12 04:07 AM
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alexeft Offline OP
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Hi all,

I find this forum about bypass filtration and oil cleanliness extremely interesting.

But still, I would like to ask if there are any car owners that use bypass filtration and have covered high miles.

Thanks

Re: Any car owners with bypass and huge mileage? [Re: alexeft] #2717001 08/17/12 05:10 AM
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ARB1977 Offline
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Change your oil regularly with filter and you don't have to worry about bypass filtration.


2015 Tacoma 4.0L 60K (as of 02/23/18)
AMSOIL SS 0W30 / Toyota filter

2018 CRV 1.5L (as of 05/11/18)
Factory fill / Honda filter
Re: Any car owners with bypass and huge mileage? [Re: alexeft] #2717006 08/17/12 05:22 AM
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SteveSRT8 Online Content
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We ran bypass filters on fleet trucks for many years.

Seriously, on most newer cars there is no real ROI, as the additional expense and UOA's will eat up your meager savings.

Modern oils and good filters have taken away the benefits for the ordinary driver.


"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix
Re: Any car owners with bypass and huge mileage? [Re: alexeft] #2717014 08/17/12 05:34 AM
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scurvy Offline
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What do you consider "high miles"?

I have a bypass filter on my Golf that has done approximately 70k km since installation, 200k km currently on the car. After installing it, I did a one-year, 30k km OCI and got back my best UOA to date.

In most cars there is little benefit, but with the notoriously cam-grinding PD engine I thought could benefit from extra filtration and an extra liter of sump capacity.


You are entitled to your own opinion but not your own facts.

06 VW Golf TDI: Shell Rotella T6 5w40, HU726/2x, EaBP90
12 Mazda 5: Castrol Edge 0w20, FL910s
Re: Any car owners with bypass and huge mileage? [Re: SteveSRT8] #2717020 08/17/12 05:48 AM
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alexeft Offline OP
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@ARB1977 : Changing the oil soon is obvious and correct I guess, but bp possibly is more economical and possibly does a better job at keeping the oil clean, as oil even if new, contains some dirt by itself.

@ SteveSRT8 : Thanks for your answer. The problem is that I still can't get my head around how a better oil would do anything at all about dirt. A better filter, yes, it would help with dirt, or so I feel.

@ scurvy : I don't have a specific limit for "high miles". Whatever you think is important is acceptable. I am looking for some evidence that bp actually helps the engine. Thanks.

Last edited by alexeft; 08/17/12 05:55 AM.
Re: Any car owners with bypass and huge mileage? [Re: alexeft] #2718683 08/18/12 09:03 PM
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azsynthetic Offline
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I have Amsoil bypass filters on all my vehicles ranging from 25K to 360K actual usage miles.

Re: Any car owners with bypass and huge mileage? [Re: azsynthetic] #2718888 08/19/12 06:06 AM
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alexeft Offline OP
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Nice on the 360k one! Any oil related problems like using oil?

cheers

Re: Any car owners with bypass and huge mileage? [Re: alexeft] #2720966 08/21/12 09:17 AM
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Jim Allen Offline
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I've started with bypass fitltration but an not far enough to brag about anything yet. Only about 10K into a run now... which can be done without bypass. With a few exceptions, I see bypass filtration as an oil life extender rather than an engine life extender... though it does that also. Carefully calculate the costs because the ROI isn't there for everyone. A good oil and good primary filter goes a long way, especially on a gas engine. With diesels, a good ROI is easier to attain. With eitehr type of engine, a good ROI is easier when the engine gets high annual miles... as with a commercially operated vehicle that on the road 8 hours a day, every day and downtime for maintenance removes the vehicle fro it's tasks.


Jim Allen
Keepin' the Good Old Days of Four Wheeling Alive
Re: Any car owners with bypass and huge mileage? [Re: alexeft] #2721137 08/21/12 12:43 PM
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alexeft Offline OP
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What I am mostly interested in is extended extended engine life, as well as a good engine life ie the lest possible oil consumption, less failing seals.

I don't think I will extend the OCI too much. 15k klms is manufacturer specified, plus the bigger sump, I should be able to reach 20k and still be within manufacturer specs. A few analyses should lead me to 30k and that's about it.

Last edited by alexeft; 08/21/12 12:44 PM.
Re: Any car owners with bypass and huge mileage? [Re: alexeft] #2721764 08/22/12 04:48 AM
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azsynthetic Offline
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Originally Posted By: alexeft
Nice on the 360k one! Any oil related problems like using oil?


It is a 91 Chevy V8 K1500. I am running an Amsoil BE-110 bypass with a M1 stainless steel mesh full flow. I have not changed either filters in the past four years. I drained out the old oil at every 10K and refilled with whatever I have left on the shelves. Honestly, I don't know what oil is in there right now. Oil consumption is less than a quart per OCI. Engine has not been opened for any repair yet, like a rock.

Last edited by azsynthetic; 08/22/12 04:50 AM.
Re: Any car owners with bypass and huge mileage? [Re: azsynthetic] #2722246 08/22/12 02:03 PM
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alexeft Offline OP
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Wow drive
Exactly what I expect.

BTW, what is an M1 mesh? Some kind of filter with only a mesh inside?

Last edited by alexeft; 08/22/12 02:04 PM.
Re: Any car owners with bypass and huge mileage? [Re: alexeft] #2722257 08/22/12 02:16 PM
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SteveSRT8 Online Content
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Originally Posted By: alexeft

@ SteveSRT8 : Thanks for your answer. The problem is that I still can't get my head around how a better oil would do anything at all about dirt. A better filter, yes, it would help with dirt, or so I feel.


The problem is most filters are never used to capacity and a bypass setup is always good, just not worth the money and additional leak points, etc.


"In a democracy, dissent is an act of faith."
J. William Fulbright
Best ET-12.79 @ 111 mph
4340 pounds, Street tires
Just like we go to Publix
Re: Any car owners with bypass and huge mileage? [Re: alexeft] #2722513 08/22/12 07:25 PM
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slalom44 Offline
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I have 248,000 miles on my '03 Honda S2000 with an Amsoil BMK-13 dual remote bypass filter system and a prelube pump. I run Amsoil Signature Series 0W-30 oil with 40,000 mile OCIs. My car still runs like new and my UOAs are looking great.

I agree that the filter is the key, but it takes a good oil with a robust add pack to allow you to extend your OCIs enough to make it cost effective.

Re: Any car owners with bypass and huge mileage? [Re: slalom44] #2722694 08/23/12 04:16 AM
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dnewton3 Offline
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Originally Posted By: slalom44
I have 248,000 miles on my '03 Honda S2000 with an Amsoil BMK-13 dual remote bypass filter system and a prelube pump. I run Amsoil Signature Series 0W-30 oil with 40,000 mile OCIs. My car still runs like new and my UOAs are looking great.

I agree that the filter is the key, but it takes a good oil with a robust add pack to allow you to extend your OCIs enough to make it cost effective.



Syns with bypass in greatly extended OCIs, using UOAs for verification.

Finally! - someone who understands and uses tools for their correct application. Kudos to you!


The act of preventative maintenance, in and of itself, is FAR MORE important than brand/grade/base choices among lubes and filters.
- under maintaining something is akin to abuse/neglect; that can kill equipment by shortening the lifespan
- over maintaining something has never been proven to be anything but a waste of time and money
Re: Any car owners with bypass and huge mileage? [Re: dnewton3] #2722725 08/23/12 05:44 AM
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alexeft Offline OP
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Kudos from me to slalom44 for his very nice Honda. That's an eye popping UOA there.

The reason I still support (or so I think, I haven't installed the BP yet) changing the oil at reasonable intervals is that UOAs cost as much as an oil change. It is easier (and I feel more comfortable with it, at least for now).

I would expect to have a ROI from a longer and better engine life. 10k or 18k miles on an OCI does not seem like a really small interval and I think BP will still help the engine.

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