Fuel Economy Upgrades
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Fuel Economy Upgrades - 5/8/2008 7:14:28 AM
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mikes_mazda
Posts: 30
Joined: 4/27/2008
Status: offline
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What are some fairly simple upgrades or part replacements to perform to help get better fuel economy out of my 3? Right now Im averaging about 24 miles in town, but if possible I would like to do a little better than that. I have heard that things like the air filter and such can help with this, but I dont know whats fact and whats not. Thanks!
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RE: Fuel Economy Upgrades - 5/8/2008 11:23:34 AM
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MikeMzda3
Posts: 218
Joined: 11/7/2005
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with a cold air intake, 31-32 lbs of pressure in the tires and regular gas, i consistently get 31+ MPG out of my 2.3 liter. The best I ever got was 35 MPG on a long highway trip home from college (with a full load though).
If you want to see immediate increase in fuel efficiency, get a cold air intake...just remember its going to take a little while to pay for itself considering you'd be dropping around 200 bucks and you have to consider the general risks you take on when getting a cold air intake. Short rams are pretty much a complete waste of time/money because they suffer from heatsoak and lose performance - you'd be better off just keeping your stock airbox at that point.
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RE: Fuel Economy Upgrades (Nitrogen?) - 5/9/2008 6:45:57 AM
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UrbanmanUSA
Posts: 556
Joined: 2/19/2007
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I got a flyer from a dealership (not Mazda, I forget who) in the mail the other day, saying they will fill your tires with nitrogen, which they assert will improve your fuel economy.
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If liberty means anything at all, it means the right to tell people what they do not want to hear. - George Orwell
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RE: Fuel Economy Upgrades (Nitrogen?) - 5/12/2008 5:01:56 PM
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06black3
Posts: 36
Joined: 3/16/2008
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ok how will No2, i think is the thing for Nitogren, improve your gas milage?? I haven't heard of this one before.. please fill us newbies in, thanks....
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RE: Fuel Economy Upgrades (Nitrogen?) - 5/12/2008 6:14:53 PM
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UrbanmanUSA
Posts: 556
Joined: 2/19/2007
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According to those promoting nitrogen:
1) It does not heat up as much as regular air does, meaning it puts less load on your tire sidewalls at highway speeds, especially on hot days. Does this help mileage? Probably not. Is it a significant help to your tire? Debatable.
2) Molecules of pure nitrogen are larger in size versus regular air. So what, you might ask? Given the molecules are larger, the rate at which they leak out of your tire (all tires leak) is much reduced versus regular air - this has been scientifically proven. So, tires properly inflated with nitrogen will stay properly inflated longer than those inflated with regular air. This is how it helps mileage, according to the promoters, since the tires stay properly inflated longer, delivering better gas mileage. True, you can get the same result by simply being conscientious about checking your tire pressure, but there are real world stats that say many drive around on underinflated tires, thus wasting gas. For many, the only time their pressure gets checked and topped up is when they get an oil change.
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If liberty means anything at all, it means the right to tell people what they do not want to hear. - George Orwell
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RE: Fuel Economy Upgrades (Nitrogen?) - 
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