My K&N will stay in. Thank you Blackstone Labs.

[sdalton]

I too had worried about the silicon levels with my K&N air firlter on. I put mine on after the first couple hundred miles. My truck has over 15,000 miles on it now. I did an oil change a couple of weeks ago, and sent a sample in to Blackstone Labs. The results came back and the silicon level was at 7ppm. at 5000 miles on dino oil. They said that the average level is 10ppm. I came in 3ppm under the average. this tells me that the K&N is working fine. All my results came in well under the average, for wear. Sooo. K&N is here to stay.

------------------
Y2K, 2500, 4x2, QC, 3. 54 LSD, Auto, patriot blue. K&N, silencer ring put back in. 14000 miles as of 1-05-01. best milage:28. 5 mpg. transmission reflashed

 

[GeoVeo]

I agree. I'm using Delvac 1 with extended change intervals. Filter is changed about every 5000. I was sending samples to Fabic in St. Louis and getting silicon at 2ppm with K&N. I sent a sample to Fabic and one to Blackstone. Fabic came back at 2ppm, Blackstone at 5ppm - that's with 15,000 cumulative miles. #ad


------------------
'94 2500 Driftwood, Auto 4X4, 4. 10

 

[Briar Hopper]

My silicon levels went from 7ppm to 12 ppm. The 7 was while running an Amsoil in the stock airbox. The 12 was while running a cone-type K & N, Re-870, a shorter version of the RE-880, and with no foam pre-filter on there. I now have an RE-0880 with foam prefilter installed. We will see how it does, another oil sample coming up in a few thousand miles.

 

[sdalton]

What are you talking about. I dont think I have made any posts on the other K&N thread. ?? I would hate to take credit for stirring something up, when I really didnt. sdalton(stirrer upper extrordinair) #ad
#ad
#ad
#ad

Originally posted by John_P:
sdalton and GeoVeo:

I want to thank both of you for your
input on this! I too had my oil tested
last year just to see for myself.
It came back at 6ppm at 4,000 miles
on the oil. Pretty close to what you
had. I recently went to the "Psychotty
Air Filter" and want to check it also.
It has definitely lowered the EGT's on
my truck and I think the RE-0880 filter
has more surface area.

For some "interesting" reading check
out the other "K&N Filter" thread just
above this one. This subject can really
"stir up the emotions. " Specifically,
read the entry by "Sdalton. "

Thanks again for your input!

--------------
John_P

 

[John_P]

sdalton and GeoVeo:

I want to thank both of you for your
input on this! I too had my oil tested
last year just to see for myself.
It came back at 6ppm at 4,000 miles
on the oil. Pretty close to what you
had. I recently went to the "Psychotty
Air Filter" and want to check it also.
It has definitely lowered the EGT's on
my truck and I think the RE-0880 filter
has more surface area.

For some "interesting" reading check
out the other "K&N Filter" thread just
above this one. This subject can really
"stir up the emotions. " Specifically,
read the entry by "Sdalton. "

Thanks again for your input!

--------------
John_P

------------------
Red '96 4x4 2500 Auto 3. 54, TST #5, Major Pump Mods(By "Scheid Diesel") 370 Diamond B Injectors, Gov. Spring kit, AFC Spring kit, Banks Exhaust, Prime Loc, Cummins Chrome Kit,Psychotty Air Filter, Pro-Torque Converter, BD Valve Body, BD Pressure Loc, Isspro Gauges, Sendel 16" Alum Wheels w/ 33" BFGs

 

[illflem]

4ppm silicon on my airbox K&N,6ppm on the 0880 in their last 5k oil changes. I think I'm sticking with K&N. Silcon levels were much the same using the OEM paper filter.

------------------
95' 25004X4,AT,Driftwood,Banks Stinger,Warn fender flairs and running boards(work truck)
95 3500,5 speed 3:54,BD E-brake,Driftwood,Banks&Psycotty,34,000 GCVW apple and tractor hauler(works harder truck)

 

[John_P]

sdalton:

My apologies!

It was "Statland" I was referring to
not you.

Sorry about that!

 

[SD-455]

Silicon was 5ppm using Amsoil air filter. Just got report back from Blackstone today.

 

[Banshe]

Silicon at 7ppm with 21K miles on this change. Lab says "normal wear indicated, continue use and resample at next regular interval". I change out filter and add a quart every 5K miles. Using K&N air filter in the stock box and AMSOIL oil filter.

------------------
'95, 2500, 4X4, ext cab, white, 3. 54 rear end, auto transmission
Griffin Radiator, Banks Power Pak, Kondolay TC, Kondolay VB, 16cm Turbo, 4" exhaust, Horton Fan, Bosch 215, BD Governor Springs, Brite Box, Mag Hytec transmission Pan, aux transmission Cooler, Bully Dog Propane, Gutless Kitty, Wiley Coyote strapped to my grill

 

[NDRamrod]

Do any of you guys that send in these samples drive gravel roads. I mean really driveI live 5 mi from hiway and do alot of farm driving dirt trails or longer gravel drives of 25 mi round trip or 30 mi + one way. I think you know what I mean??

 

[GeoVeo]

I've often wondered if those who are getting bad silicon levels get them with new filters or after they've serviced them.

My filter is still running on the factory treatment (about 38K) and I have to admit, I have had some concerns about whether when it comes time to service the filter, I do it correctly. This is the one thing that concerns me about the K&N's. What if I end up washing some of the gunk to the inside of the filter? What if I under- or over-saturate the element? I consider myself very meticulous, but I can't see down to the micron level.

I'm not familiar with the Amsoil filters. Are these serviceable or toss-away?

I don't own stock in anything but my truck and don't get paid for advertising, so I really don't have any brand loyality. I'm just looking for something that makes good sense - mechanically and monetarily.

------------------
'94 2500 Driftwood, Auto 4X4, 4. 10

 

[illflem]

NDRamrod,I use my K&Ns in a dusty agricultural environment with residual Mt St Helens ash. The volcano ash even tears up belts. I've had no trouble whatsoever with my K&Ns.

GeoVeo,just follow the K&N servicing instructions to a T and you will have no problem. Remember a dirty K&N filters better than a clean one,extend your servicing as much as possible. I go 50k or until the filter minder gets about half way up.

------------------
95' 25004X4,AT,Driftwood,Banks Stinger,Warn fender flairs and running boards(work truck)
95 3500,5 speed 3:54,BD E-brake,Driftwood,Banks&Psycotty,34,000 GCVW apple and tractor hauler(works harder truck)

 

[Koa Man]

I posted this question on the "other" K&N thread and no one seems to know or want to answer. I am not asking this to "stir up" trouble or to be a smart-aleck. Since I have never sent my oil to be analyzed and I know absolutely nothing about oil analysis I am just trying to understand the following: What role, if any, does the engine OIL filter play in the oil analysis? Is this a test of how good your Air filter is working only?

 

[illflem]

KoaMan,I'm sure that oil analysis results take into consideration that the oil is being filtered and base the results on it. Silicon in the oil can only come from an outside of the engine source,mainly intake air,but also leaking seals,greases,and oil & coolant additives. I think most of the dirt(silicon)that sneaks past the air filter is burned and pumped out the exhaust. When the labs set their limits for these contaminates they are taking into consideration how much is allowable based on experience with the numbers that send up a warning that something is wrong. With oil analysis the numbers in an individual test aren't as important as the changes from test to test. Silicon is also the main contaminate that comes from poor sampling methods,if you fill the sample container with the oil that runs down your arm when removing the drain plug you will get a high silicon level from the dirt on your arm. Same with a container that has been open too long before adding the sample and dust has settled into it. Remember we're talking parts per million here.

 

[Koa Man]

illflem,
Thanks for the reply. I now understand better why the guys refer to their oil analysis report when talking about their air filter.

 

[John_P]

illflem:

Good explanation!!!!

---------
John_P

 

[Gary - K7GLD]

I wish you guys had included the Iron content in your results - it's my understanding that around "25" is proper for the Cummins with 3000 miles or so on the oil. I use the K&N, and am waiting for the results of my first test to Blackstone - I also use a Frantz bypass oil filter, so don't know how that will affect the mix...

Interesting to note the Ford PS diesel normally reads around "40" on the Iron residual oil analysis - which pretty well would account for the Navistar being rated as a 200,000 mile engine, compared to 400,000 miles for the Cummins - I wonder what factor makes the different wear rates between the two?

------------------
http://community. webshots.com/user/davison71 Early '91 250, 727 AT, 307 rear... Banks Stinger exhaust, intercooler... US Gear OD... MORE than a match for every new PS Ford encountered so far...

 

[illflem]

Gary,Iron comes from gears,shafts,cylinder liners,valve train,rods,rings and oil pumps. The higher allowable numbers for the PSD are probably due to the lower quality steel used in an engine not designed to last as long as our Cummins.

 

[GeoVeo]

Now that the topic is turning somewhat to oil analysis, and iron in particular, here's something I've been wondering about:

What do you fellas think about oil filter magnets? My iron readings have been in the 13-20ppm range without magnets. I installed a side-mount magnet but wonder if that could/would mask the true levels. Haven't sent a sample off since mounting the magnet.

------------------
'94 2500 Driftwood, Auto 4X4, 4. 10

 

[DavidD]

I guess no one read my earlier post on the other thread! I took my truck to the dealer the other day to check a noise from the engine sounded like an alternator whine. He had me bring it back for the afternoon and leave it. 2 hours later a call from them, my turbo is on the way out. Oil deposits on the fins although he said that he didnt find any dirt my thought abd his reccommendation is go back to a 2 stage filter(dry). They will replace the turbo under warranty monday. personnaly I am not convinced that such a free flowing filter can provide the protection a turbo needs. Maybe an off road toy or something but not my $5000 cummins.
I feel I am lucky they will replace it! for free.


98. 5 24V QC,SWB,5sp,BD-exhaust,Bd-brake,BD power mod, Gauges, 315's on ultra alloys, bushwackers, rancho9's