General Fit Talk General Discussion on the Honda Fit/Jazz.

Why isn't MPG better for the Fit?

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Old Jun 24, 2013 | 08:39 PM
  #61  
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From: FORT LEONARD WOOD
Originally Posted by Steve244
Order from Amazon.
Install (OE quality paper filter). Every 30K or so.
That adds up over 200K+ (thats how long I want to keep the car) plus I hate quiet cars just as much as I hate loud ones. An intake and a quiet axle back strike a good balance.
 
Old Jun 24, 2013 | 09:35 PM
  #62  
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Originally Posted by krunk13
That adds up over 200K+ (thats how long I want to keep the car) plus I hate quiet cars just as much as I hate loud ones. An intake and a quiet axle back strike a good balance.
yeah, I can see how $100 over 200K miles might sway someone. lessee, over the same period you'll burn about $25,000 in gas. Need to save everywhere you can...
 
Old Jun 24, 2013 | 09:44 PM
  #63  
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I have thought this same thing too. Seems to me that a Fit should get better mileage for it's size. I do typically get better than the EPA est though. Usually around 40mpg, but that's all highway.
 
Old Jun 24, 2013 | 09:50 PM
  #64  
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From: FORT LEONARD WOOD
Originally Posted by Steve244
yeah, I can see how $100 over 200K miles might sway someone. lessee, over the same period you'll burn about $25,000 in gas. Need to save everywhere you can...
Its a tough economy

gas is something I have to buy to operate my vehicle. If I can save on maintenance items I will.
 

Last edited by krunk13; Jun 24, 2013 at 09:55 PM.
Old Jun 25, 2013 | 04:31 AM
  #65  
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LOL take K&N filter off spray with cleaner let stand for a whopping 10 minutes. Do other maintenance. Spray clean 1 minute with water. Let dry for maybe 15 minutes after banging off excess water. Spray on oil ACCORDING TO INSTRUCTIONS let sit maybe 10 minutes. Re-install. And get better filtering than non-oiled filters. And never replace.

Lol most filter cleaning is done while preforming other maintenance it is no bother to take a couple of minutes between jobs to work the filter then go back and forth to what you are doing otherwise.

Yep love them and like solbrothers have had them on ALL my cars and never had to replace one or any problems with sensors make that NO PROBLEMS AT ALL.
 
Old Jun 25, 2013 | 07:05 AM
  #66  
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From: FORT LEONARD WOOD
Originally Posted by loudbang
LOL take K&N filter off spray with cleaner let stand for a whopping 10 minutes. Do other maintenance. Spray clean 1 minute with water. Let dry for maybe 15 minutes after banging off excess water. Spray on oil ACCORDING TO INSTRUCTIONS let sit maybe 10 minutes. Re-install. And get better filtering than non-oiled filters. And never replace.

Lol most filter cleaning is done while preforming other maintenance it is no bother to take a couple of minutes between jobs to work the filter then go back and forth to what you are doing otherwise.

Yep love them and like solbrothers have had them on ALL my cars and never had to replace one or any problems with sensors make that NO PROBLEMS AT ALL.
so your saying the Dryflow is 10min faster because of its lack of oil?
 
Old Jun 25, 2013 | 10:36 AM
  #67  
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Most of the discussion seems to be debating 3200 rpm vs 1500 rpm. Why not a 6th gear that gives say 2400-2500 rpm? It wouldn't be a barn burner but it should be enough rpm to cross an overpass without struggling and it should probably get better mpg than running 3200 all the time.
 
Old Jun 26, 2013 | 11:47 AM
  #68  
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Originally Posted by mike410b
I got 42 mpg on my last tank.

That tank consisted of driving through downtown Chicago traffic and driving down 290 at ~80 mph.

Come at me bros.
I read in a thread that you dont even own a fit that your picture in your signature isnt even your car....

Come at me bro?
 

Last edited by 08SilverFitSport; Jun 26, 2013 at 11:49 AM.
Old Jun 26, 2013 | 01:04 PM
  #69  
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Im going to have to say gearbox and aerodynamics is at play. Even the 2013 Camry's get better mpg then a 2013 Corolla despite having a smaller anemic 1.8L 132hp motor vs 2.5 179hp Camry.
 
Old Jun 26, 2013 | 01:32 PM
  #70  
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From: FORT LEONARD WOOD
Originally Posted by LDB
Most of the discussion seems to be debating 3200 rpm vs 1500 rpm. Why not a 6th gear that gives say 2400-2500 rpm? It wouldn't be a barn burner but it should be enough rpm to cross an overpass without struggling and it should probably get better mpg than running 3200 all the time.
The Fit doesn't put out enough power for that. You would constantly have to shift down. The Hp needed to maintain speed rises exponentially so the Fit needs to be at 3K+ at Hwy speeds. PLus the short gearing helps it around town. You can't just throw a tall 6th gear into the mix it would be useless 70% or the time.
 
Old Jun 26, 2013 | 01:50 PM
  #71  
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Maybe not but we're not talking acceleration, just maintaining speed at 2500 or so rpm in some circumstances. Even a drop to 2800 or so rpm would hopefully help fuel mileage some compared to 3500 rpm.
 
Old Jun 26, 2013 | 02:11 PM
  #72  
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The JDM Jazz has a 6 speed. Guess what?

It revs the same cruising in 6th as our 5th gear it just has a lower final drive.

Any fuel you save with that 500 rpm drop is going to be lost every time you need to accelerate in 6th... there's no torque that low in the powerband, the car is geared the way it is for a reason.
 
Old Jun 26, 2013 | 02:35 PM
  #73  
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I wouldn't accelerate in 6th, I'd drop to 5th. I'd just cruise in 6th to save fuel under light throttle conditions.
 
Old Jun 26, 2013 | 02:54 PM
  #74  
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Keep in mind the Fit has terrible aerodynamics, once you're over 70 or so you have to fight that exponentially. I believe this holds the car back when it comes to high speed cruising, not so much gearing.

Damn car is like a giant triangle wedge and the hatchback does nothing to help.

You should put the 4.29 final drive from the JDM 6MT into your 5MT and report back.
 
Old Jun 28, 2013 | 03:58 PM
  #75  
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Originally Posted by krunk13
The Fit doesn't put out enough power for that. You would constantly have to shift down. The Hp needed to maintain speed rises exponentially so the Fit needs to be at 3K+ at Hwy speeds. PLus the short gearing helps it around town. You can't just throw a tall 6th gear into the mix it would be useless 70% or the time.
Not just that, but you are talking about a more complex, more expensive and heavier transmission. Honda probably took that into consideration and said its not worth the cost.

Besides I dont think engines necessarily use more gas because the rpms are higher, they use more gas when the throttle is pushed down and it dumps more into the engine. MY example would be you're going down the freeway and start an incline, you can either stay in 6th and the engine will need more fuel to maintain speed, or shift to 5th and the higher rpms move the car more effectively.

My new avatar is a drive from San Jose to Santa Barbara which is about 300 miles. That is with the cc on at 65 mph, some traffic here and there, light wind and a touch of rain. I would say in perfect conditions, this car could get close to 45 mpg.
 
Old Jun 28, 2013 | 05:15 PM
  #76  
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I agree with people who think that the top gear is appropriate for the car right now. 3500rpm may seem like a lot at 80mph, but 80mph requires a bit of power to maintain and the Fit has very little.

I think therefore that what the Fit ACTUALLY needs to get better fuel economy on the highway is more power. A 5% increase in lb/ft would allow the top gear to be dropped as some are suggesting.

I'd expect this in the next Fit - DI, probably. Unless they also go with a smaller engine ...
 
Old Jun 28, 2013 | 09:25 PM
  #77  
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Originally Posted by fujisawa
I agree with people who think that the top gear is appropriate for the car right now. 3500rpm may seem like a lot at 80mph, but 80mph requires a bit of power to maintain and the Fit has very little.

I think therefore that what the Fit ACTUALLY needs to get better fuel economy on the highway is more power. A 5% increase in lb/ft would allow the top gear to be dropped as some are suggesting.

I'd expect this in the next Fit - DI, probably. Unless they also go with a smaller engine ...
I did a bit of looking around before buying my current Fit, and it seems Honda only has two engines in this size range for the next gen - DI versions of the existing 1.3L and 1.5L (which are borderline small enough to be considered 1.2L and 1.4L in several countries I've visited). The next step down is to 660cc - Japanese mini cars, the next step up is to 1.8L - likely the next Civic engine.


ADD IN: Someone mentioned cost, and I think they are right. A while ago, I was reading an article on a Honda fan site, and I wondered why they didn't just use the more advanced engines from the Accord in the Fit, and reap massive MPG gains from that. Cost was cited as the primary reason.
 

Last edited by tankton; Jun 28, 2013 at 09:30 PM.
Old Jul 3, 2013 | 04:37 PM
  #78  
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I am not one bit surprised the Fit isn't getting any better MPG. If you can't see why, go have your eyes checked. Tall profile with not the most aerodynamic design--destined to get some major drag action. But for the utility it offers and still gets ~40MPG highway? Zero problems with that.

Originally Posted by loudbang
LOL take K&N filter off spray with cleaner let stand for a whopping 10 minutes. Do other maintenance. Spray clean 1 minute with water. Let dry for maybe 15 minutes after banging off excess water. Spray on oil ACCORDING TO INSTRUCTIONS let sit maybe 10 minutes. Re-install. And get better filtering than non-oiled filters. And never replace.

Lol most filter cleaning is done while preforming other maintenance it is no bother to take a couple of minutes between jobs to work the filter then go back and forth to what you are doing otherwise.

Yep love them and like solbrothers have had them on ALL my cars and never had to replace one or any problems with sensors make that NO PROBLEMS AT ALL.
I used to use K&N's on all my cars as well. That was before I started sending in oil samples to Blackstone. Came back with silicone levels spiked way high. Analysis said that it's usually due to extra dirt. Well, I hadn't taken the car anywhere different than the usual runs around town and work. Switched back to OEM/Wix paper filter and the next analysis came back all normal. I won't use K&N again, personally. I just stick to OEM or Wix (NAPA Gold).

By the way, I never had issues with foiled sensors due to overoiling. I did think it was a pretty easy process to clean and re-oil. But still not as easy as tossing out the old, opening a box and popping a new one in.
 
Old Jul 8, 2013 | 09:29 AM
  #79  
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I noticed my 2013 Fit Sport actually gets 40 mpg or more on the highway. I've got no complaints here. Just know, though, that I tend to drive around 65 to 70 mph.
 
Old Jul 29, 2013 | 06:22 PM
  #80  
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Just to add to some comments here... my brother has a civic 2013 with the ECO mode on it, and it get a better good mileage with driving on the freeway... It gets about 43 MPG .... really nice considering it is not a hybrid.
 



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