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How to increase mpg?

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Old Oct 11, 2004 | 05:26 PM
  #1  
iy0ga's Avatar
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How to increase mpg?

you guys have ne ideas on how to increase your mpg?
Old Oct 11, 2004 | 05:45 PM
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Larger circumference rear tires.
Taller final drive gear ratio. (lower number)
Remove as much weight as possible.
get rid of the a/c, p/s and clutch fan
Keep your foot out of it.
Smaller, more fuel efficient engine.
Buy a hybrid electric.
Walk

I gained .7 mpg from my k&n and freer flowing mufflers.

Last edited by CanyonCarver; Oct 11, 2004 at 05:48 PM.
Old Oct 11, 2004 | 06:48 PM
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My Fairlady Z's Avatar
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i actually ran to the store just a few moments ago haha (i cant run) saved gas lol..i always try to stay in higher gears..like go 35 in 4th gear..i found it increased my MPG hehe you bogg down but funny i went 25 in 5th gear lol the car almost died
Old Oct 12, 2004 | 12:27 AM
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drive slow its hard to do, but its alot better on the MPG..... and higher gears like everyone else is saying.... or u can put an electric motor in the car that gets you up to 25 mph, then after that, the reg motor can turn on and take over jk.... leave that to the hondas.... but my only advice would to be dont take off as fast, ect... stay in higher gears, thats about it
Old Oct 12, 2004 | 09:17 AM
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Besides changing your driving style, there's not a whole lot you can do. A hi-flow intake and exhaust system will help a little, but most people don't buy this stuff to increase their fuel economy. Underdrive pullies will make a minor difference. So will an electric fan. These items are purchased primarily for performance gains. The fuel efficiency increases are minor, and for the cost of the parts, it's no generally worth it if you want to buy to increase your fuel economy. If you've noticed your mileage decrease, then you could have issues with your O2 sensors. You could also try changing the spark plugs.
Old Oct 12, 2004 | 12:00 PM
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Any increase in hp, which is usually an increase in volumetric efficeincy, will improve your mpg if you drive appropriately.

This is how we now have 200 hp, 2 liter four cylinder engines from the factory getting 30 - 35 mpg. This in comparison to a factory 2 liter carbeurated engine, from a few years ago that had maybe 80 - 90 hp and 25 - 30 mpg.
Old Oct 12, 2004 | 01:28 PM
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buy a scooter
Old Oct 12, 2004 | 03:38 PM
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What do you guys normally get for mpg?? I rarely drive on the freeway(my work is about 6 minutes from my house)so I am always just on regular roads. I usually get between 200-225 before I fill up. The gas light has never come on before I fill up so I could probably go more, but the needle is usually on the "E" when I fill up.
Old Oct 12, 2004 | 04:13 PM
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I can get 300 miles per tank. It's always within a hair of 20MPG either way. It's usually higher when I do a lot of freeway driving.
Old Oct 12, 2004 | 06:12 PM
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I drive 3-4 days a week on the frwy and 1-2 days thru mountain roads with very little stop & go at either end. I get 23.7 +/-.1 mpg on a real regular basis. When I've let the kid out with the car to cruise the town I'll see 20-21 mpg. Also, I have to fill up every fourth day and the needle is just a little below a 1/4 tank. The odo is usually at 270 - 280 miles. (Quiz of the day ............ how many miles do I commute to work in a week?)

I use the mpg on all of my cars as a tool to monitor it's performance (running condition). If you watch your mpg over time, you'll actually see it start to drop off when your filters start to get dirty or a vaccum leak starts appearing......
Old Oct 13, 2004 | 08:21 AM
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good advise.... my subaru gets like 20 if i am lucky...but i do boost that thing all the time...gotta love that hks supersequential valve
Old Oct 13, 2004 | 03:12 PM
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So, would you say its bad that I get about 225 doing 95% city driving, i.e. stop and go, or is that a good thing?
Old Oct 13, 2004 | 03:39 PM
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That just doesn't seem right. 225 miles on 15 gallons is only 15 mpg. These cars hold more fuel than that. How many gallons are you putting in at fill up. You should get better mileage than that.
Old Oct 13, 2004 | 04:01 PM
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Originally Posted by CanyonCarver
I drive 3-4 days a week on the frwy and 1-2 days thru mountain roads with very little stop & go at either end. I get 23.7 +/-.1 mpg on a real regular basis. Also, I have to fill up every fourth day and the needle is just a little below a 1/4 tank. The odo is usually at 270 - 280 miles.

When i fill up I usually fill about 13-14 gallons, which means I could probably get 240 to a tank(city driving 6 days a week). Now if the quote above holds true being 270-280 with a little less that 1/4 tank to go on 3-4 freeway days and 1-2 on non stop and go mountain days, I dont think 220 is too bad. Especially considering I hit 5 stop signs and 2 stop lights going to work and then all over again coming from work. So thats 10 stop signs and 4 stop lights. What does the factory quoted "estimated city mpg" say?

Last edited by CaptainZ; Oct 13, 2004 at 04:06 PM.
Old Oct 13, 2004 | 07:26 PM
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EPA Mileage Estimates: (City/Highway)
Manual: 18 mpg / 24 mpg
Automatic: : 18 mpg / 24 mpg


Here's how you determine your mpg:

Drive to your favorite fueling place.
Pull up to your favorite pump.
Insert the fueling nozzle and fill until it clicks off.
Do not add more fuel. This is important for consistency. The gallons don't matter.
Pay for your fuel and munchies and beer
Re-set your trip odo.
Drive for as long as you choose. Hours, days or weeks. Just don't run out.
Go back to your favorite fueling place and pump.
Re-fill your tank just the same way.
Note the gallons added and the miles driven.
Then do the math.
270 miles / 13.71 gallons = 19.3654 mpg.

Unless you do it this way you're only guessing. Or you're running out of gas by using up your 15 gallons before you get to the station.
Old Oct 14, 2004 | 01:03 PM
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i occasionally got 20mpg..only if I didn't hammer it..(hard to do in a Z) btw are any of your clutches naturally stiff?
Old Oct 14, 2004 | 10:46 PM
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mine is pretty stiff for a stock clutch... but not too bad
Old Oct 15, 2004 | 08:53 AM
  #18  
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Originally Posted by tt dan
drive slow its hard to do, but its alot better on the MPG..... and higher gears like everyone else is saying.... or u can put an electric motor in the car that gets you up to 25 mph, then after that, the reg motor can turn on and take over jk.... leave that to the hondas.... but my only advice would to be dont take off as fast, ect... stay in higher gears, thats about it

Drive slow? What does that mean?
Old Jan 25, 2005 | 07:02 PM
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noob :rofl:
Old Jan 25, 2005 | 07:22 PM
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Originally Posted by b300z
noob :rofl:
be(300z) nice................
Old Jan 25, 2005 | 07:40 PM
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Originally Posted by b300z
noob :rofl:

Don't even start with that crap around here.
Old Jan 25, 2005 | 08:27 PM
  #23  
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Originally Posted by b300z
noob :rofl:
Someones been hanging around 3zc and tt.net too dam much. :spam:
Old Jan 25, 2005 | 09:03 PM
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uhh? are denso plugs good? its a retarted question btu I was really broek when I did the tune up so I want to knwo if I should change em? i am planing to do it soon. and if so what is the best ones to go with? what grade motor oil as well.
Old Jan 26, 2005 | 02:42 AM
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Originally Posted by b300z
noob :rofl:

i was quite tempted to delete this post altogether.



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