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Old 02-06-2014, 03:32 AM   #1
jwindbigler
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How to reach 40MPG

Im a newb to focus tech. Ive heard several people saying that they get 40mpg, and I would like to reach that number. I average right about 30MPG. 32mpg if its all freeway. 26-28 if its mostly city.

Im no stranger to wrenching. Just to this platform. Ive heard getting it tuned will help, and I can only assume that its either by a shop, or by a handheld. So I would like to know which path is better.

Ive already got a STEEDA CAI system on her. I dont really want to put a loud exhaust on her, but something that flows a little better and still is quiet under 3000RPM would be nice. Recommendations, Videos?

Im curious to know if theres anything else that can be done to help with MPG. Thanks for the guidance guys.


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Old 02-06-2014, 12:52 PM   #2
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If you want 40mpg, try driving 400 miles on flat ground at like 45mph... i dont see it happening other wise What speed are you averaging when you get 32mpg highway? Lowering that 5mph should be good for an extra mpg or two

The best quiet exhaust is FSWerks stealth, pretty tame at cruising speeds but sounds much better when you step on the gas. Its from the flexpipe back and is a solid unit, lots of us have it.

Help mpg by lowering weight, those are free mods. Some have gone to the extreme of removing everything insdie of the car short of the driver's seat. Best mpg gains will be with chaning the way you drive though...


edit, i deleted your other thread. please refrain from starting multiple threads asking essentially the same question.
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Old 02-06-2014, 03:18 PM   #3
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Thanks for the input
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Old 02-06-2014, 04:04 PM   #4
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http://www.focusfanatics.com/forum/showthread.php?t=368410

This thread was recently posted, it shows how important throttle position is to mileage as well as differences from the most efficient tune.

I got 38-39 on one long trip at steady 67, your mileage matches "normal" use (mine & others I've seen reported).

Anything that lets it roll easier so you need less throttle helps, removing extra weight & 5 psi over std. in the tires are the easiest steps. Conserving momentum as you drive is the other large improvement that's free.

Free breathing intake & exhaust, combined with a tune that helps MPG will give a gain, but it's not a magic bullet for high MPG.

Narrow Wheels & low rolling resistance tires would be the single biggest improvement, not a popular option since you lose braking/steering performance as a trade off.

If there was an easy way to get high MPG without any trade offs we'd all be doing it, takes real dedication to the cause to make an appreciable change as long as it's working right to begin with.

Luck
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Old 02-06-2014, 06:39 PM   #5
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Yo add to that^^^^ Lower your car & use lighter parts= lca's, brake rotors, calipers, exhaust manifold vs a header. There are a few parts that do make a weight reduction difference. I should have weight all the oem parts vs the aftermarket parts i added. I replace my Baer solid rotors w/ 2 piece ones & lost 2lbs per side. I can get over 400 miles on a tank on the hi-way.
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Old 02-06-2014, 11:16 PM   #6
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2009 Ford Focus, Lunchbox delete, slightly lowered, a little over a quarter tank in just normal cruising around. I generally don't drive hard at all, I say under 3K pretty much all the time and coast a lot when I can. I took this on the way to work today because of the 2008-2011 thread when we were talking about gas mileage.

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Old 02-07-2014, 08:23 AM   #7
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Quote:
Originally Posted by SlickWilly View Post
2009 Ford Focus, Lunchbox delete, slightly lowered, a little over a quarter tank in just normal cruising around. I generally don't drive hard at all, I say under 3K pretty much all the time and coast a lot when I can. I took this on the way to work today because of the 2008-2011 thread when we were talking about gas mileage.

http://imagizer.imageshack.us/v2/xq90/35/cux1.jpg
The '09 focus also is rated slighted better for mpg's over an '07 (33 vs 35 highway for the 5sp 2.0l) So you have a better starting vehicle


The problem with better mpg's and spending money to do so (if mpg is your sole goal) is the mpg savings at the pump will take the life of the car to offset the cost of new parts (often times you wont offset the costs.) It's a double edged sword at times...the best is to spend money on mods you like and enjoy for other reasons that may also increase mpg. Otherwise you'll spend more than you will gain back in mpg. The best things to do to see an improvement with out spending money is to ensure you have no extra weight in the car and pay attention to how you are driving (google tips on hyper-miling)
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Old 02-07-2014, 08:36 AM   #8
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My car is an auto. If my car is rated "35" which I don't believe it is for an auto, and I am getting 42 it clearly demonstrates that driving style has a great effect on MPG's. People generally ask how to get more but want to continue driving aggressively. You almost have to put yourself in the right mind set: I have no where to rush to, rushing will only cause mistakes and keep yourself calm behind the wheel. I don't rip turns fast, I don't worry about being first off the light, I sit back and enjoy cruising in my car. I also have no tickets because of this.

OP I know your a Camaro fan so let me tell you this. In my 94 Z28 I drove down from Western North Carolina to central Florida with my car completely packed full, I stopped a few times for gas (Wandering gas gauges in Chevy make me cringe, barely press the brakes and your tank reads E) and averaged over 25 MPG!
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Old 02-07-2014, 08:54 AM   #9
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Also stay on top of tire PSI (need to invest in a gauge)
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Old 02-07-2014, 08:58 AM   #10
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Yes this! My light is on because of my wheels don't have my sensors in them. I used to leave the sensors in my glove box and the light would stay off, but I like having room in my car plus I felt like I would loose them.
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