stock airbox improved mpg
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From: Choctaw, OK
Consider the number of square inches that are in the filter, vs the square inches of the air intake of the box. The filter is many times more than the intake.
Stands to reason that if the intake had more square inches, than their would also be more air getting to the filter without any restriction.
More air = better fuel combustion, easier turbo spool up, a little lower EGT's.
I'll take the benefits of my drilled out air box
Stands to reason that if the intake had more square inches, than their would also be more air getting to the filter without any restriction.
More air = better fuel combustion, easier turbo spool up, a little lower EGT's.
I'll take the benefits of my drilled out air box
Thats MR Hoss to you buddy!
Joined: Jul 2001
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From: Central Texas
Originally Posted by hammajamma
The choke point in the air-intake system is the filter element not the airbox,unless I'm missing something.
AFE claims a 200 CFM increase just from installing their torque tube. Folks who have opened up their airbox in one way or another have noticed that the Filter Minder no longer pulls down the way it did before.
Opening up the airbox definitely improves air flow. What results from that can be argued all day long, but the stock filter isn't the choke point in the system in my opinion.
Thats MR Hoss to you buddy!
Joined: Jul 2001
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From: Central Texas
Originally Posted by hammajamma
Omaharam: I would still like a technical explanation as to how holes in the air box can increase air flow thru the filter element?? I'm all for more mpg,considering the price of diesel,but I'm not big on black magic, I suppose possibly if the holes did force more air thru the filter element ,that maybe you would get a leaner
charge to the cylinder and maybe gain some mpg,well anyway no one has claimed 20 extra Hp. to the rear wheels.
charge to the cylinder and maybe gain some mpg,well anyway no one has claimed 20 extra Hp. to the rear wheels.
Here's a post made by AK RAM in another thread that is related to this:
Here is what I got. I don't know how reliable AFE's testing methods are as they will always try to make their stuff look better than everyone else's since that is what sells their filters, but here goes. AFE tested the stock intake system on a 2003 California model SO, which I don't think the air box has changed between models, this includes the stock air box, filter, and intake tube with baffles in it, and it flowed 229 CFM. There were no restriction numbers available (or they wouldn't give them to me for some reason), but regardless of the restriction, that is terrible flow. They said the biggest problem was the air box itself. So, you take a filter that will flow roughly 450 CFM (stock filter), stuff it inside a square air box and behind a ripped intake tube, and roughly 229 CFM is all you get.
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I understand what you're saying Hoss. However, if you replace the stock filter with a drop-in air filter such as a Tru-flow, or K&N, etc....you should be drawing in whatever air is available(229) more quickly, and it will replace itself in the box with that same amount of available fresh air more quickly. Also, if you can get it to flow through more easily by using a less restricted exhaust system, such as 4"all the way back, and a straight pipe, or straight pipe sort of muffler such as the magnaflow, you will get more air coming through more quickly. (I just dropped in on this topic, has this already been said?) 
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From: ny
so let me ask you people a question if I were to replace my stock air box with under hood type filter ,that means i would be getting more hot air from the engine in the turbo is this good practice I do not know .but like everbody else more miles per gal. is allways important.so change box ,drill holes ,what is better.also I read that oil filled filters is not a good idea because is gets oil on the blades of the turbo.is this correct .i am getting confused thanks kully
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From: CA
Yeah, what's the point of installing a turbo or blower anyway? To cram as much air as possible into those cylinders. Anyone who's ever snorkled knows how restrictive it is breathing through one of those and it wears your body out cause of slow consistant oxygen starvation. Same reason ball players put them bandaid brand nose openers on. Let your Ram breathe guys, set them free!
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I read that oil filled filters is not a good idea because is gets oil on the blades of the turbo.is this correct .i am getting confused thanks kully
You should not be getting oil from the filter sucked into the turbo, unless the filter is drenched/ overoiled. The instructions with mine are to blott the extra oil out before installing. When I remove the filter to clean it, I can see that there is no oil on the blades or tube going to the turbo.
You should not be getting oil from the filter sucked into the turbo, unless the filter is drenched/ overoiled. The instructions with mine are to blott the extra oil out before installing. When I remove the filter to clean it, I can see that there is no oil on the blades or tube going to the turbo.
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My brother has the AFE drop in, and he is very happy with it. I have the TruFlo, and have no problem with it. He had the TruFlo, and had a bit of dust get by, as his seemed to warp slightly, and didn't have a perfect seal. I always apply a LIGHT coat of grease around the outside edge of the filter when I install it, so IF mine was not sealed perfectly, the grease would catch any fine dust. (However, mine is sealed well.) I have used K&N before, but it is not purely a foam filter, and some folks on here have talked about sucking in minute filter particles, etc...
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He has the SO, and he had great mileage before, and still does. He got his best HP gains (of course) because of the Edge EZ that he runs on the second setting. Honestly I had good mpg on mine from new, but not as good as his. Of course i had about as much power as he has on level 2. I,ve been getting 19- 20mpg from new, but I think my truck is really starting to break in now, and if I go on a long trip at 60mph(which is really hard) I'm making 22mpg hand calculated.
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From: ny
I also have a s/o and my milage is about 19-20 @62mph. hard to drive that slow .when I go to florida twice a year I can not drive under 75mph and that kills my fuel goes down to 17.so I am looking for more hp and fuel milage.the dtr store on this site has the stage 1 afe filter and they claim 24hp gain and 1 mpg over the road .do not know how these filters are ,should I replace with a drop in afe or maybe the stage 1 kit
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My brother put the AFE drop in, a 20" magnaflo muffler, and the edge EZ, and he gets about 4 mpg better than that at those speeds. I think that HP claim from just a filter seems incredible(especially if you still have a restrictive muffler), but who knows? He has quite a bit of drone under load with his magnaflo, but it tows about the same as mine on the second level. One thing i cannot figure out is that his overhead readout was not even close to true before these mods, and now the readout formpg matches hand calculations very closely every time. ???
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Joined: Jun 2004
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From: IL
Guy's, I'm broke down on the road. It's showing p code's 0341, and 0652. Please tell me this mod can in no way have nothing to do with it. I did buy a new box to put in before it get's towed to the dealer.
You can see my post in emegengy help for what the code's mean. Thank's
You can see my post in emegengy help for what the code's mean. Thank's