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

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Old 03-10-2011
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High Flow Cone Filter

Hi everyone, I have an '08 ford ranger XLT with the 4.0L V6
I want to swap the air intake with a cone filter for better under hood sound, and better air flow, i can get the filter, but how do i fit it on the intake, since the MAF sensor is mounted into the air box
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Old 03-10-2011
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is it mounted to the outside of the air box
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Old 03-10-2011
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like this?
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High Flow Cone Filter-dsc00598.jpg  
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Old 03-10-2011
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no ill have to put up a picture, basically the air box is molded with the maf sensor in it
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Old 03-10-2011
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are there still bolts holding on or like it twists off?
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Old 03-10-2011
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Save your money , a cone filter won't gain you anything.
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Old 03-10-2011
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except a quicker response and sound
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Old 03-10-2011
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I am a basic mechanic, the filter gives quicker response (which is already good with the SOHC 4.0L) and a better under hood sound
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Old 03-11-2011
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The only quicker response you get is in your head, the under hood sound i cant argue with, but your possible going to Confuse the computer as well. I'm not a fan of CAIs
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Old 03-11-2011
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do you have stock filter then paul? cuz when you increase the air flow into the engine is does run a little quicker
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Old 03-11-2011
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I have a cone filter on my F150. Noticed nothing different other than it being a PITA to replace/clean. Kinda wish i Could find a stock intake to put back on it. Increasing the air to the engine really doesn't do much at all, a horsepower or 2 maybe at the wheels.
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Old 03-11-2011
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The most gain will be noticed off the line, max gain probably around 7HP and 11 ft-lbs torque, most I have ever gotten in a car with a ram air intake, i don't know about a truck though, I am still new to this whole truck thing. If anything, you need a larger throttle body and a ported intake for better airflow, which yes needs better computer programming, and if you just want to bump it completely up. I would see myself throwing in an MSD ignition, new engine parts, forged pistons, and a dual exhaust. But not for awhile, I am still paying it off
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Old 03-11-2011
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Try a better flowing air filter that fits in the stock air box and remove the silencer. K&N claims around 5 to 7 hp by just using their air filter within the stock housing. However, there are better quality filtering air filters available on the market.

Take this with a grain of salt: http://www.knfilters.com/news/news.aspx?ID=1334

One of the things about the quality of filtering with K&N that you should be aware of is: K&N sells a filter cover for dusty conditions....which to me means fine dirt particles flow through.
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Old 03-11-2011
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max gain around 0. do it for sound and nothing else. they arent hipo motors with restrictive 80's intakes, fords got more then enough intake for the motor. that being said i do run a 2.5" metal tube to the stock box with wix paper filter and intake silencer pulled because it sounds awesome on a 4banger. you wont notice any increase in any responses unless you block off the iac thats letting all the air bypass your closed throttlebody blade instead of letting it sit in the intake waiting for that initial stop of the throttle

if you want to run all tubing to a cone filter spectre sells a maf adapter to ditch the stock box set up.

heres a how to truckin did to run a true sri on a ranger also list the spectre part #
http://www.truckinweb.com/tech/0909t...dup/index.html
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Old 03-14-2011
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i always run spectre filters in my vehicles. I had a newer volkswagen beetle that i would take to the track, with no forced induction i had around 400hp, and a nice low priced spectre filter was always a good addition
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Old 03-14-2011
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Quote:
Originally Posted by pcollins View Post
I have a cone filter on my F150. Noticed nothing different other than it being a PITA to replace/clean. Kinda wish i Could find a stock intake to put back on it. Increasing the air to the engine really doesn't do much at all, a horsepower or 2 maybe at the wheels.
I have a stock intake for a 2008 f150 5.4 sitting in my attic in the garage.
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Old 03-14-2011
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Quote:
Originally Posted by HeloMec View Post
I have a stock intake for a 2008 f150 5.4 sitting in my attic in the garage.
I have the 4.2 *bows head in shame*
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Old 03-15-2011
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Quote:
Originally Posted by pcollins View Post
I have a cone filter on my F150. Noticed nothing different other than it being a PITA to replace/clean. Kinda wish i Could find a stock intake to put back on it. Increasing the air to the engine really doesn't do much at all, a horsepower or 2 maybe at the wheels.
I've had a truck on the rollers and switch intakes, no difference, power was identical. You can run a 550HP diesel with the stock intake, and it won't trip the filter suction indicator.
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