Air filter test
 

This test was done on DP a few years ago and is why I only run the stock filter on my truck.

Maybe this could be made into a sticky.:c:

Thanks for bringing this topic back to light DB. Sticky done!!!

Too bad the data is too old to have AMSOIL's new nanofiber filters to compare to. Be curious how they pan out.

This is a bunch of bull. Isnt AC DELCO partially owned by GM? Wouldnt GM benefit from the marketing of AC DELCO filters?
this test was biased. Im sorry but its the truth. they were testing it to find the best filter for a duramax (GM) its a sales pitch for AC DELCO. If we got any any of those other filters site they would have way different results.

If AC DELCO didnt place first in all of the readings then I would be more apt to believe it

i have a AEM wounder where that would be on there?

uummm...no sir. This test was done by an individual who was a member of the diesel place and was just a fellow diesel enthusiast. He began performing the tests in his garage until he got educated on the proper filter testing methods and built proper test fixtures. The end result was that K&N invited him to tour their facility. At the end of the day they basically told him to keep his mouth shut. Dyno testing also proved the fact. The thread of SPICER's testing still exists at the diesel place because it got the attention of every major filter manufacturer. Go do your research before making any misleading statements or biased innuendo's on a very well known fact.

I don't disagree with the statements made but one must be very careful spouting off about testing methods and so forth.

Things to consider: ISO testing is only a method to discribe how something was tested and if the results can be tracked and repeated. ISO = International Standards Organization. I have written many a ISO proceedure. They don't come from the scientific community (unless you need it to). The method of testing that should be considered more accurate and industry standard would be something from SAE. I know I have the number somewhere but I can't find it right now.

Next, if you read it carefully the results are not for the same filters for the same testing. The part number for example of the AFE changes to suit the results. This is the same for the K&N.

Further, remember that in a diesel air + fuel - waste = power. It is a simple equation. The concern one should have is that how clean is that air, how clean is the fuel, what are my waste factors and how much power is being added as a result. It is a trade off with performance filters.

I have run K&N in my Dodge as well as the current unit an AFE non-PG7 w/ a prefilter and the intake tube at the compressor is so clean you could eat off it.

I would not knock someone for using the OEM drop in filter but I would question anyone using an aftermarket filter that isn't properly cared for.

Just my thoughts.

you beat me too the ISO.

still. to have your filter come out ahead in every bit of testing is kind of far fetched

i agree with GRI and Wyatt and i'll go maybe one step further....
the test is totally biased and B.S.

Biased perhaps but I wouldn't call it BS. It is like accounting you can get numbers to tell you what you want to see.

i'm an active stock market trader, mainly stocks and futures....
i use a little Technical Analysis, and i say (little) because i can easily make a TA argument turn out however i want....
similar to Wyatt's accounting scenario...

Ok guys, thanks for the input. This is a Sticky and will remain a Sticky for educational purposes. So lets get back to the purpose of the thread which is to educate. If you dont agree with the topic then dont post or go do your own testing and post the results. If this isnt going to be constructive then we'll lock the thread so that no one can post.

how educational is it if it is bad data. Im not being a pain in the rear but a sticky should be concrete information.
the testing on this seems quite scetchy. I have never seen it before and I am on a dozen diesel sites. It would seem that this info would be wide spread. and not just to diesel forums.

Dont be offended or mad, I would just hate to see a sticky with misleading info.

This is a big problem with the net - you have to take it all "with a grain of salt"....

Id have to say there is very little scientific and unbiased testing. There are ALL kinds of skewed results, fudged numbers, modified testing, test designed to fail, different kinds of setups etc.....

Sure does make it hard for a guy to figure things out doesnt it?

Most of us have an opinion on this - no one is saying you cant express your opinion, but please keep it civil guys. Thanks.

Well, you must not be reading those sites very closely Bill because Ive seen this test many times on a number of sites (here, DTR, dieselram, Cummins Forum) over the last 5 years.....JMO.

I Concur

Gentlemen Lets Be Civil here

What happens if you don't like salt? LOL...

:admin:


lol

FYI: If I wasn't civil please let me know - I always try to keep things on the up and up.

I wasnt trying to be a jerk I was just stating that I have seen other airfilter tests done and never saw AC DELCO on the tops of those lists. I agree with Wyatt, it may not be B.S but data can be skewed in the direction in which the testor needs.

and DR. you are right. I guess I need to open my eyes.

Uh, yer a wise guy huh? lol:c:

Sorry Bill, wasnt trying to be hard on you....but I have seen that test a bunch of times.

I have run a K&N Air Cannon filter on my truck for over 150,000 miles, through dusty farm conditions and have never seen any build up of dust or oil. At the same time I have taken a beating on all of these sites for talking about my success with it. I just wonder if any of these test take into account the different types of filters that each company makes. K&N also makes a drop in stock type filter which I will agree is junk, and think that this is where most of the bad reputation comes from. But which filter were they using for the testing. I know several other companies also make different models for the same trucks, so which filters models are they testing to get to the end result.

This is not an accusation on any testing but a question I have so that I can come to a conclusion for myself on the validity of the testing.

i'm using a S&B, also oil impregnated same as a K&N and could even be made by K&N....S&B uses a different color oil.....

K&N bashing is normal on the web because they are number 1 in air filters....
i couldn't be happier with my S&B....

Be quiet you ! Get back to work...:sen:

Ah, but heres the difference...the K&N is only 4 layers of cotton, and the S&B is 7 layers. Much like an AFE....

Personally, I dont like K&N and do have real world experience with the filter to back up my claims....if anyone is looking to buy a K&N drop in, please PM me...Id love to sell it.

If it's just all about testing, here is a link that shows that K&N is the best filter on the market. http://knfilters.com/air_filter_testing.htm

I don't actually expect anybody to read through it all, just trying to illustrate the point that testing and statistics can be made to look just about any way you want them to. In my case I wouldn't have a K&N dropin filter but am perfectly happy with the replacement type.

i bought my S&B because the ebay vendor promised that my ownership of it would help me to get lucky more frequently...and it came free with my torque tube and box...LOL LOL LOL

Features:
S&B Air Filters immediately provide extra horsepower and throttle response
Custom-made for your specific year, make and model and tested for optimum airflow
S&B Air Filters stop more dirt than other performance filters, thanks to 4 layers of cotton-gauze media and deeper pleats
High-displacement engines and diesels get 8 layers of filter material for optimum power and protection
Unlike the competition, S&B air filters are made thicker to fill out your air box fully, packing more material into each filter
S&B Air Filters are lifetime reusable—just clean the filter every 40,000-50,000 miles with S&B’s cleaning kit (not included)
The pleats on S&B Filters are specifically oriented to maximize filter strength and longevity
Top-quality molded urethane binds the cloth layers and forms the seal with your air box without excess bleed that causes reduced flow
All S&B filters are subjected to the strict ISO-5011 test before going to market to ensure maximum quality and performance
S&B Air Filters directly replace your stock filter in seconds—if you can check your oil, installing your filter will be snap
Enhanced airflow from an S&B Air Filter can also improve your fuel economy 1-2 mpg
Made right here in the USA; 50-state smog legal
Your S&B Air Filter is backed by an incredible 1,000,000-mile warranty
Description:
The traditional names in performance air filters better have eyes in the back of their head. S&B Air Filters have the big boys in their crosshairs, taking aim with some of the finest performance replacement filters in the business.

S&B starts each of their performance S&B air filters with premium cotton-gauze filter material—4 layers or 8 layers, depending on what produces best for your engine. They’re made as deep as your air box will fit, giving you more dirt-trapping power, and precision-bound for the most airflow surface in the business.

How does S&B ensure each S&B air filter tops the competition? With state-of-the-art testing that ensures no S&B air filter leaves the factory until they can beat the other guys time and again.

S&B air filters are also reusable for life, needing only quick cleaning every 40,000 to 50,000 miles. Best yet, S&B stands behind your high-performance S&B Air Filter with an incredible 1,000,000-mile warranty.

Thanks Dozerboy, I always tell people buying an intake is a Complete waste of money! (Just like those throttle body spacers for the gas motors).

The testing is based on statistical methods. I work with statistics on a daily basis in my line of work. You can make statistics support a number of different sides depending on what you want to do with the numbers. I have seen this testing before, and it is probably as accurate as you will find. Question is how worried about those sub micron particles are you? I've always run K&N on what I could and have nver had a failure due to those tiny particles. Take it as it is... Numbers!

What a joke I try and post some information that none of you are aware of and this is what happens? While that test may not been perfect to accused the members of Diesel Place of being biases is BS. I have see dust in more then a few intakes of K&N equipped vehicles.
I hate to post links to another forum mods if you want delete them I would understand here are some of the threads from DP.

http://dieselplace.com/forum/showthr...+ISO+5011+Test
http://dieselplace.com/forum/showthr...+ISO+5011+Test
http://dieselplace.com/forum/showthr...+ISO+5011+Test
http://dieselplace.com/forum/showthr...+ISO+5011+Test

All that test really shows is the AC Delco is great at catching dirt but is more restrictive than say the AFE or K&N. Thats nothing new in the world of air filters. To gain air flow you have to give up restriction. What causes restriction in the filter? The media. The more you combat trying to catch smaller and smaller particles the more media you need, making a more restrictive filter.

Feel free to post links to other sites, we are here to learn and provide a mediam for information to be shared. To do this we need to provide info from any good sources we can find.

At the same time please don't take offense when others offer their opinions also. Debate and comparing info is one of the best ways to keep info accurate as well as up to date. Many of yesterdays proven facts are todays old urban legends.

Water under the bridge I just wasn't happy to see the accusations flying.

99 is dead on the point of the test was to provide info so members could chouse a filter that would suit there needs. The stock 01-05 Dmax filter assembly and filter was flow tested IIRC to flow enough air to support 500HP and the 06+ are even better.

Are there links to those tests? I'd be curious to see how well the AC Delco did with the increased flow.

settle down dozer. I was just debating the point that everyone of those tests show AC delco on top with no other filter even close. again Im not saying the data is incorrect Im just saying that when looking at the overall picture of flow and filtering AC DELCO isnt the one on top.

SAE J726C is all I"m going to say...

Same here

I'd be happy sell a drop in for an 06 cummins actually I don't think I could do that to a fellow ctd owner. It gunked up my turbine wheel in about 2K miles.

Which says what? That he didn't use it or that it isn't a good test?