Pablo - This is for you!

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Dad2leia

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Sep 6, 2005
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I figured your appreciate hearing this from me, Mr. I change everything at 1/2 the time that I should oil guy.

I just recently did the OC on my Pilot, in which I left on the EaO oil filter. That is the first time that I've EVER left an oil filter on longer than the 6500 miles that my OLM has said to change oil.
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I thought that you might enjoy reading this.
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Dad2leia'

I regularly leave the Eao in for 3 oil changes (15,000 miles) with no concerns. These filters have been tested out for many miles more than that and were still good.

Harry
 
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Harry---just curious, did you cut any of 'em open to have a look?

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I thought about cutting one open and I may still do that, but as of now, I haven't. I have offered an used filter to anyone interested in doing a teardown with no takers.


Harry
 
I have 15k on my wife's EaO57 now. I was going to leave it on for the HDD swap ..but I may take it off and replace it. I have a cutting tool.
 
I don't understand why you would not change the oil filter after going to the trouble of changing the oil. Are you just trying to save $5 or so? Seems like a false economy to me, like only changing half the spark plugs at a time. While you are doing the job why don't you do a complete job? Just asking so don't beat me up too badly. I just don't understand the logic, if there is any.
 
Quote:

Are you just trying to save $5 or so? Seems like a false economy to me

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No. Look at it from the other end. Why buy a high end filter when you're going to be changing it out so often, renewing the sump at the same time? You're paying a big premium for the finer filtration. The filter, regardless of filtration level, will filter somewhat better as it loads. If you're doing enough annual mileage, which implies that you've got fewer heavy loading cycles to engine operation and more light loading cycles to engine operation, then you can use more expensive filters, of higher filtering ability, without ADDED COST.

Now if you' have enough disposable cash that you don't mind using high end filters and high end synthetics for 1/3-1/2 of their useful lives (and I see nothing inherently wrong with that from a "choice" standpoint - it's your money) then so be it. I, however, tend to be always on a quest for efficiency (even though I waste much money on lubrication "interests" from hobby standpoint). That is, I employ techniques that get me more for the same $$$/effort/time.

Now does it make more sense??
 
Okay, heres a question for Amsoil EAO aficionados(of which I am one) and dealers alike. I have almost 5000 miles on XLF with EAO. This is my first oci over 3000. Can I dump the oil at 5000 and refill with XLF without swapping the expensive EAO? Also Pablo I don't think one should dump the filter. Leaving it on allows for it to stay somewhat primed. Everytime we change our oil and filter we are starting an unprimed engine. Can I run the EAO out to 10000 with another fresh change of XLF?
 
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Okay, heres a question for Amsoil EAO aficionados(of which I am one) and dealers alike. I have almost 5000 miles on XLF with EAO. This is my first oci over 3000. Can I dump the oil at 5000 and refill with XLF without swapping the expensive EAO? Also Pablo I don't think one should dump the filter. Leaving it on allows for it to stay somewhat primed. Everytime we change our oil and filter we are starting an unprimed engine. Can I run the EAO out to 10000 with another fresh change of XLF?

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I regularly leave the filter alone for 3 oil changes. The oil left in the Eao20 filter doesn't add up to much oil and besides, it is pretty clean oil thanks to the fine Eao filtration.

Harry
 
How long time-wise? Is 5k really a 6month (or less) OCI?

My wife does 18k+/-. The same Eao57 has been on there for 15k (3x5k for a PP 5w-20 experiment). If the UOA from Terry looks favorable, the oil and filter will remain installed and run out to 20k on the filter and 10k on the oil. If the UOA isn't so hot, I'll still leave the filter on there, but swap to another oil (HDD) ..do the same 5k sample (with a sample pump) and compare. If it looks good from Terry's perspective, I'll put another EaO57 on there and retest @ 10k on the oil. From there on out I'll synchronize them at 6 months for the oil and one year for the filter.
 
I installed the oil in June. I want to go longer but I find it hard to not worry. Everytime I go in the closet I see 8 quarts or Valvoline and a Wix. They are starting to talk to me if you know what I mean. But I cannot go back to 3000 mile oci's. Just can't. I don't have a place to change my oil so I have to pay someone to install and the less times they touch my car the better. I want to work myself up to changing the oil on St. Patricks day and Halloween. My two favorite holidays. I want to have oil changes and green beer. I want oil changes and pumpkin beer. This is why I run Amsoil.

I am at 4500 now. Wifey drives about 1100 miles a month.
 
Well, I didn't remove the old oil, but since I also used the same oil again for the second time (I'm setting all kinds of records here), I didn't think that it would be a big deal.

Also I will try to do an UOA on this batch. I went back to my Maxima Maxum 4 Ultra 0w30 (price reduction and temptation did it), so I will finally find out the last piece of the puzzle - can that spooky additive package hold up to its price level. Should have roughly (as I will be doing it based on the OLM's say so) about 6500 miles on it when I would get it done.

I did notice though upon draining this "cleaning of the additives" batch, with that EaO filter, the oil came out more translucent instead of purely opaque in color. That being said, there must be some truth to the efficiency capabilities of these filters, as most others, even Mobil 1, never kept the oil color this clear.
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Quote:

Also Pablo I don't think one should dump the filter. Leaving it on allows for it to stay somewhat primed. Everytime we change our oil and filter we are starting an unprimed engine.

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No one said you couldn't re-fill the dumped out filter with fresh oil.
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(or 1/2 full for side mounts)

I just hate "changing" oil and leaving a filter full of the old stuff in there! It's not that hard to dump, refill and re-install.
 
Hi Pablo,
Isn't there almost a quart of old oil still in the engine after a change anyhow? My 2006 Accord 4cyl lists an oil capacity of around 5.4-5.5 quarts, yet only 4.5 are drained and changed. Would the additional 5-6 ounces really matter at that point?

BTW - Just switched my cars over to Amsoil 0w20 with Eao 13s.
 
Some cars hold some old oil of course - none of mine have ever held a full quart
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but I do let mine drain for a long time!

It's up to you. Just Depends on your level of Anality.
 
Well Pablo, I started this thread to actually show that I was able to lower my level of anality a peg or two, with little or no harmful side effects to my engines...
 
Quote:

Well Pablo, I started this thread to actually show that I was able to lower my level of anality a peg or two, with little or no harmful side effects to my engines...

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Someone should do an anal study with 30 cars or so.

1). Drain oil.
2). Leave (old) oil filter in place.
3). Refill engine with new oil, but keep a virgin sample for a complete analysis, to the gnat's ****.
4). Start engine for just enough time to blend oil in engine with old oil in filter, etc....
5). Sample oil and analyze to gnat's ****.

Repeat with new filter (dry and prefilled), old filter drained and refilled, etc

Compare results. Sure there are some logical holes here. Butt it's anal.
 
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