K&N FIPK Kit - Ranger-Forums - The Ultimate Ford Ranger Resource


4.0L OHV & SOHC V6 Tech General discussion of 4.0L OHV and SOHC V6 Ford Ranger engines.

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Old 03-13-2008
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K&N FIPK Kit

Just ordered the FIPK kit from summit. Has anyone ever had any problems with these? Also any chang in performance?
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Old 03-13-2008
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No problems I just didn't like the design of it. Oh and make sure when you install it that you don't over tighten the four bolts that attach the maf housing to the adapter.

https://www.ranger-forums.com/forum2...ad.php?t=51808

Last edited by whippersnapper02; 03-13-2008 at 01:34 PM.
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Old 03-13-2008
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Anybody else?
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Old 03-13-2008
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I've had 1 on my 3.0L for about 3 years now. No problems. Just clean it when necessary and don't go crazy when you re-oil it. Just a little bit will do.
Performance wise? Not much. I'd say MAYBE 3-5 hp. Same with mileage. MAYBE .5 to 1 MPG.
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Old 03-13-2008
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had mine for a while now, no problems except make sure you tighten the bolt that you attach to the bottom of the tube, it will fall out if you dont get it tight enough
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Old 03-13-2008
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my truck came with the FIPk and i think the sound can get annoying at times. it's pretty cool though when you put a little push on the accelerator and you can just hear that thing suck in air.
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Old 03-13-2008
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I have one and like it. There a good system.
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Old 03-13-2008
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i definatly notice a change for the better in performance. before i could pin the skinny petal and just chirp the tires. now i can lay some serious rubber. this was the only mod between the change. mpg wise i'd say about 1mpg better. the open design is great but i do get nervous when i go puddle jumpin
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Old 03-13-2008
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at first you will notice a change but just like all mods you get used to it i have had mine for about 2 years on a 4.0L and I have found a good way to use it for more than it was ment to be used i can take the filter off and hook up my snorkel for off road and whenm i am on the road i can unhook it and put my filter back on
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Old 03-13-2008
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I got one about a month ago, little power like the others were saying (3.0L) but i just really wanted it for the sound , when im doin about 60km/h around town u can really hear the whistle coming from there, almost sounds like a mini turbo.
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Old 03-14-2008
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Old 03-14-2008
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It does sound like a mini turbo.. i think it sounds cool too. I like how u have all the charts to show the MPH and temp on yours Rich
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Old 03-14-2008
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so pretty much, you gotta be going a decent speed to get some cooler air coming in
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Old 03-14-2008
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Those particular graphs were made with www.autotap.com You can do the same thing with a SCT X-cal2 as well.

I've since made a prototype cold air box that surrounds the filter. (including a true ram air ducting fed by the grill)
The cold air box has made a big difference in temp swings. Although I've not been able to duplicate those temp measures because its not summer yet.
Driving the same stop and go traffic route in 30F temps.. I only see about a 12F rise in temps. Cools off almost instantly when I start to move.

When it gets warm enough I'm going to make a fiberglass housing to replace the prototype acrylic one I have now.

Here is a WEB PAGE showing the box as I've been running for three months now.

Rich
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Old 03-14-2008
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Rich did you ever to any data logging to see the temperature with the stock intake box? im just curious.
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Old 03-18-2008
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Yeah but I did'nt save it. I've done this on many cars now too.

Basicly the stock box would rise about 4-5F in that same drive.

I do think the rubber tube was a bit better at slowing temp swings than is the K&N plastic tube.

Rich
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