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07-01-2012, 09:50 AM
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#11
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Senior Member
Join Date: Jan 2009
Location: Corvallis, OR
Posts: 5,300
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Re: K&N intake for 5.4L gas
PS - on the highway intake temp stay within 5 degrees F on outside temp, so the airbox seems to seal against the hood pretty well. I still may add a small intake grill to the hood at some point though, to avoid the rest of the heat that is getting in.
__________________
2000 E450 dually V10 wagon
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07-07-2012, 04:00 PM
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#12
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Senior Member
Join Date: May 2009
Posts: 126
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Re: K&N intake for 5.4L gas
Don't do it. The v10 intake does fit, I have it installed on my e350 Quigley 4x4 class c rv. It didn't increase mileage or performance and makes a ton of noise. Hey it does look cool, but I drive with the hood closed so no one sees it. Waste of money for sure. Don't tell my wife I said that!
Jim
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11-06-2012, 11:10 PM
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#13
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Senior Member
Join Date: Aug 2011
Location: Paso Robles
Posts: 144
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K&N intake for 5.4L gas
Haha that is funny Jim. The noise wouldn't bother me. I like the sound of a v8. I might talk to my local exhaust guy and see what he can do.
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Nick Otto
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11-09-2012, 01:49 PM
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#14
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Site Team
Join Date: Jun 2011
Location: Santa Fe, NM
Posts: 1,202
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Re: K&N intake for 5.4L gas
We just installed the oiled K&N. After 1k + miles, our mileage is up 10% and power seems much improved. I am driving on the local Interstate with major hills rather than the flatter back road and handle my standard 55-60mph w/o going over 1800 rpm. Couldn't do that before. It took 2200 or more to climb the hills. Just finished a circuit through central Colorado's high country as part of that 10% mpg improvement. No noticeable noise increase (& we're both noise freaks) except for the lower rpms on hills. Our SMB is a V-10
__________________
-Don-
Life and baseball both sometimes are not fair, but it is how you play the hops that counts. —Scott Miller, NYT Sports
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11-09-2012, 04:38 PM
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#15
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Senior Member
Join Date: Aug 2011
Location: California
Posts: 113
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Re: K&N intake for 5.4L gas
Are these air intake systems street legal in California?
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11-09-2012, 04:57 PM
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#16
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Site Team
Join Date: May 2007
Location: Southern New Mexico
Posts: 10,179
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Re: K&N intake for 5.4L gas
There are a number of Calif legal intake systems, just make sure that they have a CARB (Calif Air Resources Board) number on them. I think most K&N systems are CARB approved.
With any filter, check on their filtering efficiency (how small of particles they will filter out). There are a number of filters out there that allow more air flow by sacrificing filtration efficiency.
My personal experience is that K&N's and dusty environments are not a good combination. They can cake up pretty quickly as the dust sticks to the oiled filtration material. If you're not in a dusty environment a K&N can be a good investment if you keep up on filter maintenance.
Herb
__________________
SMB-less as of 02/04/2012. Our savings account is richer, but our adventures are poorer.
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11-09-2012, 06:54 PM
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#17
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Senior Member
Join Date: Jan 2009
Location: Corvallis, OR
Posts: 5,300
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Re: K&N intake for 5.4L gas
The AFE intake I posted a pic of is CARB approved.
__________________
2000 E450 dually V10 wagon
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11-09-2012, 07:16 PM
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#18
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Senior Member
Join Date: Apr 2012
Location: Kelowna, BC
Posts: 238
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Re: K&N intake for 5.4L gas
Is it possible for someone to post a K&N or AFE intake mounted on a 5.4 please. I already have a cat back exhaust and the oiled K&N filter installed. Just wondering how the intake fits and if I should get one.
Thanks
Darryl
__________________
2006 Ford E250 RB 5.4L gas
Clydesdale 4WD Conversion
SCT Livewire TS+ with 8 5Star custom tunes
4.10 gears, Dana 44 TTB open carrier
VA7DTP
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11-09-2012, 11:16 PM
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#19
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Senior Member
Join Date: Jan 2009
Location: Corvallis, OR
Posts: 5,300
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Re: K&N intake for 5.4L gas
Quote:
Originally Posted by depark
Is it possible for someone to post a K&N or AFE intake mounted on a 5.4 please. I already have a cat back exhaust and the oiled K&N filter installed. Just wondering how the intake fits and if I should get one.
Thanks
Darryl
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Yes the intake is the same as the V10.
However, the v8 is not restricted by the intake like the V10 is.
__________________
2000 E450 dually V10 wagon
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11-10-2012, 12:12 AM
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#20
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Senior Member
Join Date: Apr 2012
Location: Kelowna, BC
Posts: 238
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Re: K&N intake for 5.4L gas
Quote:
Originally Posted by carringb
Yes the intake is the same as the V10.
However, the v8 is not restricted by the intake like the V10 is.
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So no need to get the intake then.
Thanks
__________________
2006 Ford E250 RB 5.4L gas
Clydesdale 4WD Conversion
SCT Livewire TS+ with 8 5Star custom tunes
4.10 gears, Dana 44 TTB open carrier
VA7DTP
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