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Originally Posted By: CR94 Originally Posted By: compratio10_5 ... The 2003 Fram technical information sheet, Now a Fluid Filter Rating That Makes Sense, contains this nugget "The (multipass) test does account for what happens to a filter over time because measurements are taken at multiple...

Originally Posted By: compratio10_5 Originally Posted By: bulwnkl Any hypotheses as to why oil filters work the other way around? Data shows that they get _less_ efficient as they load with contaminants. Why do air filters not behave the same way? Here's discussing oil filters on the air...

Originally Posted By: bulwnkl Any hypotheses as to why oil filters work the other way around? Data shows that they get _less_ efficient as they load with contaminants. Why do air filters not behave the same way? I don't know what data you are looking at, but that's simply not the case. The...

The "sunlight" test is so subjective as to be essentially useless IMO but I would be interested if someone were to test it against instrumentation to "see" if it works (pun intended (: < ). That said, based on what I have "seen" (pun intended again) a filter has to be pretty obviously nasty to...

Few things: Oil can't read a calendar so my advice is forget the "one year" stuff. If the MH is stored well in a relatively dry climate, used regularly and when used driven enough to boil off crankcase moisture, the oils is good out to several years IMO. That opinion is based on operating a...

Originally Posted By: goodtimes "I recoup the money via doubling or tripling my OCI." That is my point, I am not doing a UOA for $30 or more when on my cars I can change oil and filter under 20. If the OP is deciding whether to spend $5 more for a new oil filter, I don't know if he wants to...

Originally Posted By: Linctex Originally Posted By: Jim Allen I took a sample of the virgin oil. Then I took a sample of the used oil at 5K with no bypass, then a sample at 10K after 5K with bypass and soon I will be taking a sample at 15K to see the end result. All sample will be tested on the...

Berniedd: I think you are OK but it's time to starting thinking about an oil change. I would suggest getting a sampling kit and sending the oil in for a UOA that includes a TBN reading. That would validate your long inteval, or tell you to change sooner. The questions I didn't hear asked by...

Originally Posted By: littleant You guys have been here way way longer then me and I value your opinions. I really want the discussion to continue about the filter and your take on the photos. I do not want it locked. Please. So on photo #3 and #4 why would the dents on the bottom of the cup be...

The only way to know is to query the manufacturer. That is an odd spec to list given that other manufacturers list higher numbers. It wouldn't be a horrible filter if it was a test made on find dust. That would equate to somewhere around 95+% on coarse (which is the more common spec listed...

Originally Posted By: Jim Allen Originally Posted By: Nyogtha Having noted that, the quality or QC/QA of 50% of the filters sent to you as goodwill effort is a joke though. I don't recall seeing any other filter manufacturer sending dented canister filters directly to a board member here. Have...

Originally Posted By: Nyogtha Having noted that, the quality or QC/QA of 50% of the filters sent to you as goodwill effort is a joke though. I don't recall seeing any other filter manufacturer sending dented canister filters directly to a board member here. Have you seen ANY manufacturer send...

Originally Posted By: EricBeau I choose to change oil in my Odyssey at 5,000 miles. It makes me feel good. In my Camry, I change it every six months, which equates to roughly 1,500 miles. I know it may seem crazy to some but that’s what I choose to do. Have a nice day! And that's fine. But...

Originally Posted By: ZeeOSix When the viscosity vs temperature is graphed for a couple of 5W20 and 5W30 oils, it shows that once the oil gets to about 55~60 C (130~140 F) that the viscosity difference isn't much between 5W20 and 5W30. 5W30 at 60C is about the same viscosity as 5W20 at 55C. And...

Unless that rig is run in exceptionally dusty conditions, you will be throwing away a filter that's half used up.. or less. Follow the manufacturer's schedule or install a restriction gauge and change when indicated. Search on this forum and you will see plenty of information on this topic. It...

I use T5 10W30 in a farm tractor that has to start in sub-zero and also my old-school diesel pickup. In the case of the tractor, before I had the barn wired for power, it had to start unassisted and with 15W40 and it WOULD NOT crank over fast enough to start. It would with 10W30. Even better...

UOA is the only way to evaluate. Bear in mind that oil doesn't have a calendar or a watch. Any oil is good for AT LEAST a year BUT since you short hop I agree with the six month UOA. Be interesting to see where you stand. My prediction is that the oil will be better than you imagine it to be and...

Interesting. If the wear numbers are to be believed (I do not disbelieve, just wonder if there is an "optimization factor" involved), that for the right engine this oil should be perfectly fine. Probably not the thing for a flat-tappet 'Merican V8 but if anti-wear and friction modifiers can now...

Ahh! Figured it might be more. Got catching up to do around here.

Originally Posted By: goodtimes Some filters have had no need for customer service, can't really say the name as there is some sort of copyright on saying it. Curious what you mean? There are no "copyrights" on the freedom of speech. If you mean to imply that the board has become...