Racor filter upstream OEM filter

Topan · **Posted:** Tue Feb 03, 2009 6:37 am

I intend to mount a 30micron Racor pre-filter up stream the OEM one. Anyone has done it? My main doubt is to find the space to fix the Racor. Can I mount "far" from the OEM? Can it be lower than the OEM? Many thanks

warp2diesel · **Posted:** Tue Feb 03, 2009 9:43 am

"Space the final frontier", besides being a Star Trek theam also applies to the room under the hood. You may have to put the extra filter back by the fuel tank to work.

Consider this first. The Racor filter is a 2 micron filter that a lot of Members would like to use will need a little help to get the fuel through, lift pump will solve this problem. The stock filter is 10 micron and from what I can figure out, Chrysler chose the 10 micron filter so they could try to get away with the risky suck through configuration.

I am working on a way to mount the 2 micron Racor onto the stock head using a 1" X 14TPI to 16mm X 1.5MM adapter threaded bushing.

For you Topan, Racor does make a filter element used on Volvo, Fiat truck, and Mann applications that very close to the outside diameter of the stock filter with the 16mm X 1.5mm thread. Here in the US/Canada this filter element is either not stocked or being phased out due to lack of sales. The good news for you is that there are a lot of these trucks in Europe and you may be able to pick one up. If I remember right the assembly with the bowl is a Racor B3208S. The Mopar outer sealing gasket diameter is OD 2.76" (70.1MM), ID 2.43" (61.7MM); ID should be the same. If you can find a Racor B3208S, measure the outer sealing gasket and compare to the Mopar dimensions, if they are close, with a larger OD and smaller ID and look like they will seal, Great let the rest on your side of the pond know.
All I could get here are down loaded drawings and dimensions, your eyes with a ruler or caliper is a better way to verify my guess and how well it will work.

If the Racor B3208S screws on and works, Go with it and forget about the two stage filter, you will most likely not have the space under the hod that you need.

You may need to purchase the Racor WIF sensor, I would see if the Mopar one screws in first.

Good Luck

mackruss · **Posted:** Tue Feb 03, 2009 11:05 am

Are you sure that the OEM filter is 10 micron?

nursecosmo · **Posted:** Tue Feb 03, 2009 2:37 pm

If you are going to mount an upstream filter without a lift pump, don't. Been there, done that with a Goldenrod filter. The added restriction is just too much vacuum at WOT position and will cause you to suck air out of the fuel and get a P0093. Why do you want to add it anyway, unless you are planning on running an alternate fuel?

nursecosmo · **Posted:** Tue Feb 03, 2009 3:42 pm

warp2diesel wrote:

Consider this first. The Racor filter is a 2 micron filter that a lot of Members would like to use will need a little help to get the fuel through, lift pump will solve this problem. The stock filter is 10 micron and from what I can figure out, Chrysler chose the 10 micron filter so they could try to get away with the risky suck through configuration.

I don't think that the OEM filter is 10 micron. the specs say 3, some other sources say 2. OldNavy and LandytG did some testing and came up with some weird numbers but the test was surly not performed properly because the numbers don't jive (a filter can not magically make water content go from 70ppm to 708ppm). The testing was not done in a controlled manner and even the fuel samples were not from the same batch of fuel. The test was not even done on a new filter. The second round of testing was never done, nor was the testing of the comparison filters (CAT).

Not trying to pick a fight but the 10 micron rating has never been actually confirmed as far as I know (I hope I'm wrong).

warp2diesel · **Posted:** Tue Feb 03, 2009 6:50 pm

mackruss wrote:

Are you sure that the OEM filter is 10 micron?

Yes, Si, Oui, Yah, Affirmative.

Russ: That is the only five ways I know how to say yes, it is 10 Micron filter.

If any one else knows another way to say Yes, please pile on :lol:

To back it up some more, Wix has carefully researched the,"SPECIFICATIONS" which engineers live and die by, and they sell theirs that looks the same as Mopar and rate it as 10 micron.

When I went to school 2 micron is smaller than 10 micron and 2 micron will offer more protection against having the injector needles lapping them selves away to junk and wearing out before the engine is ready to retire and only be used in antique car parades.

Having a good filter is like your health, smoke 6 packs a day, drink beacon grease for breakfast, eat trans fat shorting with a touch of breaded chicken for lunch, eat 2 pounds of grain fed beef with 3/4" of fat hanging on the side for dinner, and wash it down with soda pop; you may be taking the little blue pills when you turn 40 assuming you have no other health problems. Eat sensibly, the blue pills will not be a good friend until much later in life.

Run what ever filter you want, even an 80 mesh Y strainer, I am going to a 2 Micron filter down stream of my lift pump as soon as I can do it.

Any one want to Buy my spare Mopar Fuel Filter :?:

onthehunt · **Posted:** Tue Feb 03, 2009 10:42 pm

Wix crd filter= 10 micron per Wix.

Mopar filter= 3 micron per FSM.

I believe both.

warp2diesel · **Posted:** Tue Feb 03, 2009 11:08 pm

onthehunt wrote:

Wix crd filter= 10 micron per Wix.

Mopar filter= 3 micron per FSM.

I believe both.

Report the facts, even if it is Coca El Torro.

Still the laws of physics rule, 2 micron is better than 3,4,5,6,7,8,9,10....30 Micron.

I hope DIA has Gunniss tomorrow night.

nursecosmo · **Posted:** Wed Feb 04, 2009 12:25 am

warp2diesel wrote:

To back it up some more, Wix has carefully researched the,"SPECIFICATIONS" which engineers live and die by, and they sell theirs that looks the same as Mopar and rate it as 10 micron.

Seriously? RollX watches "look" like Rolex, but they are not. Suny stereos "look" like Sony Stereos, but they are not. Check Cola "looks" like Coca Cola, but it is not. Keystone bumpers "look" like OEM but they are not. Wix filters "look" like Mopar, but they are not.

I am not trying to dictate to anyone which filter "should" use, because I do not like to be told what I "should" do with my own vehicle (You would not believe how many people have told me that I "should" not use alternative fuels in my ride).

My only point to this post is that you can't just pull numbers out of your but, which may influence other reader's decisions about how they care for their vehicles.

warp2diesel · **Posted:** Wed Feb 04, 2009 1:02 am

nursecosmo wrote:

warp2diesel wrote:

To back it up some more, Wix has carefully researched the,"SPECIFICATIONS" which engineers live and die by, and they sell theirs that looks the same as Mopar and rate it as 10 micron.

Seriously? RollX watches "look" like Rolex, but they are not. Suny stereos "look" like Sony Stereos, but they are not. Check Cola "looks" like Coca Cola, but it is not. Keystone bumpers "look" like OEM but they are not. Wix filters "look" like Mopar, but they are not.

I am not trying to dictate to anyone which filter "should" use, because I do not like to be told what I "should" do with my own vehicle (You would not believe how many people have told me that I "should" not use alternative fuels in my ride).

My only point to this post is that you can't just pull numbers out of your but, which may influence other reader's decisions about how they care for their vehicles.

Wix published the 10 Micron in their specifications leading me and others that that was what Chrysler called for.
Answer this, why in #e!! does Chrysler only post the filter micron specification on page 4298 out of 6059 pages :?:

Why don't they put it on the box? now go to: http://www.wixfilters.com/filterlookup/ ... Field.y=13 and click on 33647, you will see a filter that looks just like the Mopar.

Or maybe Chrysler only posts the filter's "three micron" specification on page 4298 out of 6059 pages in the service manual so they could void the warranty for not using an equivalent filter.
Who else uses or makes a 3 micron filter?

Engineers do live and die by their specifications, they also teach in engineering classes, "that doctors bury their mistakes and engineers have to live with theirs."

BTW:Last week the Doc took a look up my B**t and it was OK and there were no numbers just clean walls.
Note: Evercleanse is a fraud, Magnesium Citrate works better and is cheaper. Besides Magnesium Citrate looks just like Tequila, Gin, or Vodka :lol:

Diggerfreek · **Posted:** Wed Feb 04, 2009 1:55 am

The CAT 1r0751 is a 2 micron filter..

onthehunt · **Posted:** Wed Feb 04, 2009 5:11 am

I apologize to the OP for not answering. If I was going to install another fuel filter on the crd( assuming total compatability) I would buy the best one availiable(smallest micron) and just have one filter. All the 30 micron does is extend your filter change intervals. It doesn't really filter the fuel any better. It's what we call a "Rock Catcher" over here.

ATXKJ · **Posted:** Wed Feb 04, 2009 11:52 pm

Actually an upstream rock catcher can be useful - if your fuel supplier isn't very good -
and some people have put in a large upstream filter if they have frequent fuel problems and that helps
but the better solution - would be to find a good fuel supplier

as to the 3 micron/10 micron - they can both be accurate - and both talking about the same filter.
there's not an industry standard for a single number - the standards are for particle distributions
i.e a single filter with
2 micron 50% removal
10 micron 90% removal
50 micron 98% removal

can be marketed as a 2,10, or 50 micron filter
here's - Fram grumping about it http://www.fram.com/pdf/FluidFilterRating.pdf

The Engineering data - would be the distribution at a given pressure with a specific detection method - post filter. not a single number

Racor filter upstream OEM filter

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