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When I was into this some years back, the Dry Flow grey media had a very high efficiency (unlike the oiled cotton gauze). If they are putting that media into a wire mesh body, I'm interested! I got a few years before it's time to change my air (Fram) filters, however, so there is time to...

Have an '86 F20HD diesel bought almost new in '87 and a Honda Accord bought new with 7 miles on in in 2000. Oil choices have evolved a lot with the times and my level of lubricant knowledge. Today, the Ford, used mostly as a farm truck, gets 3 year, 8K mile oil changes (interval backed up by...

Been running 5W20 Platinum in our '17 Ford Escape 1.5L EcoBoost since we got it. Ran two 7.5K intervals and did oil analysis both times with stellar results. We drive in pretty much an optimal driving cycle, rural, with virtually no short hops (10 mile one-way run minimum a most often double...

Is changing the oil more often on a crap engine proven to help it last longer? When it fails, it it an issue that can be helped by having fresh oil it it? Unless it's contaminated in some way, oil usually lasts a good long while before the additives. Overall, this sounds like an engine to avoid...

Originally Posted By: Shannow Oil RO207 8.4Cst virgin, 15.9Cst at 15,000 miles Oil RO243 8.7Cst virgin, 15.3Cst at 15,000 miles Oil RO208 8.3Cst virgin, 17.1Cst at 15,000 miles I stand by the condemnation statement. A fair observation but let's keep in mind the focus of the test and the...

Originally Posted By: Snagglefoot Everyone should do this exercise. Use a one quart bottle to fill your new filter. Measure how much oil is left in the bottle. That way you know how much oil is left in the filter and potentially how much dirty oil is in it. Some posters say they have one quart...

Originally Posted By: Mainia Throw away your leaky and bad filtering Magnifines. This is the BEST trans filter on the market under $50. https://www.youtube.com/watch?v=tVJxzO8nqz8 See this one too! A correction on the above vid. https://www.youtube.com/watch?v=IW0WqeiWoG0 This is the only...

Originally Posted By: mx5miata I come here to get knowledge on certain things that leave me stumped. I don't find myself wanting to know how my oils performing all I am interested in is that my vehicles maintained and is running right. I have owned many cars new and old and with high mileage...

Originally Posted By: Shannow Originally Posted By: Jim Allen That is not an "Article," it's a brief snippet, not a full summary even. How do I know? I have the full article and it's 14 pages long! So, is all this commentary and opinion based on merely reading the preview or has anyone actually...

That is not an "Article," it's a brief snippet, not a full summary even. How do I know? I have the full article and it's 14 pages long! So, is all this commentary and opinion based on merely reading the preview or has anyone actually ponied up and gotten the entire paper? If you are debating...

Thanks. I had run across many of the same things you so kindly bookmarked. The 3.9L head gasket thing remains a mystery but I've done what I can, I guess. Not going to do a preemptive teardown based on what I'm seeing. Having been a dealer tech and been involved in situations where a vehicle...

Originally Posted By: circuitsmith Originally Posted By: Jim Allen I can say that the two applicable flat panel filters in my fleet are both pretty dim at this point, yet restriction isn't far off the bottom pegs yet In that case use a magnifying glass to make the sunlight brighter, then put...

Originally Posted By: jakewells cheap oil is good oil if you watch what you buy. Great statement! Can we use it to end what has become an unproductive thread?

So, you have calibrated your restriction gauge against the sunlight test? Please share the details? I haven't done that in a scientific manner but I can say that the two applicable flat panel filters in my fleet are both pretty dim at this point, yet restriction isn't far off the bottom pegs...

It reminds me of the old Corvette story from the '60s (R&T, I think). They took a stock Corvette and dyno tested it. Then they added mufflers that made it sound louder and more "high performance" but didn't alter the power output. Then they brought in a group of drivers who considered themselves...

Granted, that's how it should be. But it isn't. The reasons for that? All we can do is speculate and I have plenty of ideas on where to point fingers..... but if I do that, we get into the some of the verboten topics on the board. It is what it is. Live with it. Work around it. If you really...

Originally Posted By: bulwnkl I used to email (and even call) the Cummins person when they were at Cummins, so I know what section they worked in. (-: Well, if he gave out information like that, which differs greatly from the rest of the industry, maybe that's a good reason why he's not there...

Originally Posted By: bulwnkl Quote: -Do you have an efficient air filtration system? Unfortunately, I have no idea. No filter manufacturers have been willing to provide efficiency data to me for any of my automotive applications. Do you know of a way to obtain this other than several...

Originally Posted By: SteveSRT8 All fine here except the air comment. I run GM vans here till something fails before servicing the cooling system. Typically this is a water pump around 200k miles or so. Never any issues with gelling or any other problems, completely trouble free...

I agree that a discussion of oil filtration, as it relates to air filtration, is not off-topic. That Filtech article is very interesting, though I need time to digest it better. I'm getting the condiments ready so I can eat my previous words, however (: < ). In the few moments I have here...