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  #1  
Old 03-15-2011, 12:10 PM
farmboy0129 farmboy0129 is offline
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Default better mpgs for my 4.0

i just found this forum and thought i would like to join since i do have a ranger like all of you. i have a 2004 5 speed with the 4.0L in it and i was wondering what to do about getting better gas mileage and a little more hp. i was looking into a different air intake and exhaust but i dont know which ones would be better. so any help is much appreciated.
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  #2  
Old 03-15-2011, 12:20 PM
TheStig TheStig is offline
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Default Re: better mpgs

don't waste your money on an intake....they do NOTHING on these trucks

you could look into some of the intake mods

and the exhaust is just a user preference.....depends on what you want for sound and performance


the best bang for your buck with more power and MPGs would be a tuner

check out SCT or Diablosport tuners
those are really popular and work the best from what i've seen
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  #3  
Old 03-15-2011, 12:27 PM
farmboy0129 farmboy0129 is offline
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Default Re: better mpgs

what would you recomend on intake mods and the exhaust? i want it to sound deeper/throaty if you know what i mean.
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  #4  
Old 03-15-2011, 12:41 PM
TheStig TheStig is offline
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Default Re: better mpgs

For exhaust, I prefer flowmaster 40....cat back or just a muffler, depends on your budget

Intake mod how to's are here on the site...
You can search or I'll find the links when I get off my phone.....
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1996 XLT 2.3T "White Lightning" 5/7 dropped, Turbo street toy
2006 FX4 Off Road, DD, work in progress
1985 XLT 2.8L 4x4 "The Black Pearl" (retired but still around)
1987 XL 2.3L 2wd R.I.P.
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  #5  
Old 03-15-2011, 12:41 PM
Christianguy Christianguy is offline
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Default Re: better mpgs

Flowmaster 40 Has a good deep rumble
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  #6  
Old 03-15-2011, 12:57 PM
FireRanger FireRanger is offline
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Default Re: better mpgs

Quote:
Originally Posted by farmboy0129 View Post
i just found this forum and thought i would like to join since i do have a ranger like all of you. i have a 2004 5 speed with the 4.0L in it and i was wondering what to do about getting better gas mileage and a little more hp. i was looking into a different air intake and exhaust but i dont know which ones would be better. so any help is much appreciated.
Intake modifications do not hadd HP or MPG. Neiter do mufflers. The only thing that will improve your MPG is keeping the truck well maintained, and being light ont he pedal. End of story. There is anothing else you can buy, bolt-on, pour-in, or wave at it that will enhance MPG. Not intakes, not exhausts, not fancy spark plugs. Nada.

Now, if you were to do multi-system intense upgrades, or buy a tuner, you can add an MPG or two... but it will cost 10x more than the pennies you will save at the pump.
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How to: Aux light wiring, relays, & fuses
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  #7  
Old 03-15-2011, 01:08 PM
farmboy0129 farmboy0129 is offline
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Default Re: better mpgs

i keep my truck well maintained and what i thought was light on the pedal and i still dont think im getting that great of milage. last time i checked i think i was getting around 12
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  #8  
Old 03-15-2011, 01:39 PM
FireRanger FireRanger is offline
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Default Re: better mpgs

Normal is 16-18 on a 4.0. How are you calculating that 12mpg?
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2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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  #9  
Old 03-15-2011, 01:50 PM
farmboy0129 farmboy0129 is offline
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Default Re: better mpgs

how many miles i filled up with. then when i fill it back up again i minus the two and then divide that into how many gallons i put in it.
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  #10  
Old 03-15-2011, 02:25 PM
FireRanger FireRanger is offline
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Default

Ok good you're doing it right. Something is wrong with the truck if you're getting 12mpg. Normal maintenance items before you dig deeper.

[Posted with my Android mobile device using Tapatalk Pro]
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(Formerly)
FireRanger
2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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  #11  
Old 03-15-2011, 02:37 PM
Little Blue Little Blue is offline
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Default

I'm prone to disagree with y'all on this. Intake and exhaust WILL increase power, but that's because the motor can breathe better. This CAN improve power is you can run your truck at lower RPMs and less throttle. There's a reason a new 5.0 F-150 can be heavier and get similar MPG.

Tuners are good cause they adapt your motor to the way YOU drive, and that can help you alot. My buddy skimped and bought cheap intake and exhaust and didn't help him much but another buddy has a quality CAI and magnaflow (best sound from a SOHC 4.0, imo) and he gained 3 mpg and it is noticeably faster.

Quality is key, but it's also true that driving habits/style matter the most.

(PS: my truck averages 16.5 and I have alot of big hills here.)
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  #12  
Old 03-15-2011, 02:56 PM
matt224 matt224 is offline
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Default Re: better mpgs

Generally speaking an intake and exhaust would benefit you, but on these trucks probably not. The intake is a worthless investment on these vehicles, but a catback can help (add in headers and high flow cats if you want). My Trans Am was able to chug out another 2 mpg with a SLP catback and longtube headers and probably saw about 20 hp to the wheels increase.
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  #13  
Old 03-15-2011, 03:20 PM
FireRanger FireRanger is offline
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Default Re: better mpgs

Quote:
Originally Posted by Little Blue View Post
I'm prone to disagree with y'all on this. Intake and exhaust WILL increase power, but that's because the motor can breathe better. This CAN improve power is you can run your truck at lower RPMs and less throttle. There's a reason a new 5.0 F-150 can be heavier and get similar MPG.
1. No they won't
2. The motor breaths fine without it. You could put a 3ft storm water pipe in there and it will run the same.
3. The reference to the 5.0 F150 makes basically no sense either.

Quote:
Originally Posted by Little Blue View Post
My buddy skimped and bought cheap intake and exhaust and didn't help him much but another buddy has a quality CAI and magnaflow (best sound from a SOHC 4.0, imo) and he gained 3 mpg and it is noticeably faster.
Tell your buddy to show you dyno results that prove a piece of shiney pipe under the hood added power. He'll recant.
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(Formerly)
FireRanger
2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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  #14  
Old 03-15-2011, 03:23 PM
farmboy0129 farmboy0129 is offline
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Default Re: better mpgs

thats why i said about the intake and exhaust would help to back it breathe better and generally run better and more fuel efficient but i dont know. ill listen to the guys that have had one longer then me.
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  #15  
Old 03-15-2011, 03:26 PM
FireRanger FireRanger is offline
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Default Re: better mpgs

Quote:
Originally Posted by farmboy0129 View Post
thats why i said about the intake and exhaust would help to back it breathe better and generally run better and more fuel efficient but i dont know. ill listen to the guys that have had one longer then me.
What people don't get is the obvious. In order to breather better, it has to already be not breathing well enough in the first place. Our engines from the factory already do. The engineers that built this thing were not that stupid. You can't improve it if it is already meeting maximum demand.
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(Formerly)
FireRanger
2003 Edge 4.0 4wd

How to: Aux light wiring, relays, & fuses
Info: 300+ intake threads here on FRF
Info: HID Projectors
How To: NO HEAT Troubleshooting Guide
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