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How can I improve my Evo 9 gas mileage?

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Old Aug 29, 2008, 01:02 PM
  #31  
JYD
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Originally Posted by 06MRV8Killer
Thats 3 people looking for warnings..... Does anyone ever learn not to post about how fast they drive on public roads.....
warning from who? and for what reason?
Old Aug 29, 2008, 01:05 PM
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Originally Posted by boostincincy
never heard that before...word.
yeah he's right, when your coasting in gear the injectors are going to be at 0 pulse width (am I using that word right?) as oppose to cruising in neutral which means the engine will have to give fuel to keep the idle up... im only getting 220 to the tank and my car is stock...
Old Aug 29, 2008, 01:09 PM
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Originally Posted by sna08
yeah he's right, when your coasting in gear the injectors are going to be at 0 pulse width (am I using that word right?) as oppose to cruising in neutral which means the engine will have to give fuel to keep the idle up... im only getting 220 to the tank and my car is stock...
I was reading about this for calibrating a wide band for no exhaust at the sensor... Isnt thre an RPM cutoff of below something like 3k this does not apply?
Old Aug 29, 2008, 01:15 PM
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Since you're tuned, drive out of boost.. Simple as that.

Stock I would usually get 200 miles at 1/4th tank left. I have a base flash now running 11.4 - 11.0 AFRs and I get 245-250 miles at the 1/4th mark. I try not to run my car under a quarter tank.
Old Aug 29, 2008, 03:01 PM
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Originally Posted by JYD
warning from who? and for what reason?
Are you serious?
Old Aug 29, 2008, 04:16 PM
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I just drove from Atlanta to Clarksville, TN which is a 300 mile trip and I would normally have to fill up at about the 275 mile mark but today I decided to just drive between 75-80 mph and I was able to make it to 320 miles before fill up. Driving style has a lot to do with it.
Old Aug 29, 2008, 04:21 PM
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Originally Posted by 06MRV8Killer
Are you serious?
what the heck are you talking about man?
Old Aug 29, 2008, 04:23 PM
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Originally Posted by sna08
your.... (am I using that word right?) ...
no, its you're
Old Aug 29, 2008, 06:26 PM
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Last time I went to GA from Orlando on one tank of gas 75 mph for 440-450 miles and stayed out of boost.
Old Aug 29, 2008, 06:38 PM
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cut holes in the floor, and put on your running shoes
Old Aug 30, 2008, 09:31 AM
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I get around 22 miles per gal driving normal for me. (passing aggesively, speeding) I could get much better but then why have a evo. It's twice as painful to drive an Evo slow.
Old Aug 30, 2008, 10:06 AM
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Originally Posted by sna08
... im only getting 220 to the tank and my car is stock...

Replace your o2 sensors. You'll thank me later.
Old Aug 30, 2008, 05:59 PM
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Originally Posted by sna08
yeah he's right, when your coasting in gear the injectors are going to be at 0 pulse width (am I using that word right?) as oppose to cruising in neutral which means the engine will have to give fuel to keep the idle up... im only getting 220 to the tank and my car is stock...
Me too. Bone Stock VIII. I average about 17 MPG around town and that's staying off the boost 90% of the time. How are some of you guys getting such high MPG numbers? Can I get a tune with all stock components or is that pointless?
Old Aug 30, 2008, 11:29 PM
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i had my evo for many years and also know many ppl with evos. evos are simply sub 20mpg cars. my life time average is 17mpg. i can get 20mpg if i dont speed and never boost.
Old Aug 31, 2008, 04:52 AM
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Wink

Originally Posted by mscorei
My driving style is doing 180 km/h on highway and 150km/h on normal roads.

Originally Posted by fryedchikin
That would be your first problem


Doing 150km/h on normal roads - Ur RPMs are around 4000's - Boosting.. Gulping Fuel!

Doing 180km/h on highway - Ur RPM are around 4800's - 5500's - Full Boost..

Now with all this how do u expect to save fuel man!

I drive my car very rarely thru the week and then 2 days for the weekend.. a full tank give me nearly about 400 Kilometers.. thats driving both with boost but mostly i keep my self at 110 - 120 KMPH.. max.. other than that.. you are not gonna get a good milage!

Drive safe!
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