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Mods That Improve Fuel Economy!!??

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Old Oct 31, 2004, 07:21 PM
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Mods That Improve Fuel Economy!!??

I luv my evo viii..but it eats up gas like crazy... what mods can i add that will improve my fuel economy...i drive ALOT...i think i spend more $$ fillin my car with gas then modifying it...
Old Oct 31, 2004, 07:29 PM
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the only thing i can think of is to upgrade the electrical system: plugs, wires, ground wires, even lean out your ecu with a flash or afc?
Old Oct 31, 2004, 07:34 PM
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Lean out the fuel mixture with either an AFC, Xede, UTEC or flash...put in a high flow filter, and full exhaust minus cat...
Old Oct 31, 2004, 07:35 PM
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XEDE, turn down down the boost, or stop standing on the throttle.

I get about 250-275 miles on 12 gallons in this Evo right now, and it's still stock. I'll be modified in a couple of weeks, and I should be seeing better MPG at that time. I'll let you know what all I did and what my new figures are (WHP/WTQ/MPG for both stock and modified) when I am done.
Old Oct 31, 2004, 07:41 PM
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I wish I could see 275... The best I got was 260 and then I put in 13 gal, so it was pretty empty! I drove like a granny to get that...

You can see my mods below and even when I drive sloly (almost never) I still can't break the 250 mile per tank mark!!!! I drive 20 miles each way to work, mostly highway so I should be getting better mileage than someone driving in stop and go miles.
Old Oct 31, 2004, 08:17 PM
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AFC or a flash.
Old Oct 31, 2004, 08:42 PM
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Originally Posted by lil'evil_evo
AFC or a flash.
Most only change the fuel curve under higher-throttle runs (closed loop).

This won't really help you in city driving or during normal "daily" driving.
Old Oct 31, 2004, 08:56 PM
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omg..from what you guys said...theres sumthin wrong with my evo then... the max i remember going on a full tank 13 gal...is at most 180miles...
Old Oct 31, 2004, 08:58 PM
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Originally Posted by J8dailo
omg..from what you guys said...theres sumthin wrong with my evo then... the max i remember going on a full tank 13 gal...is at most 180miles...

The only problem is your right foot
Old Oct 31, 2004, 09:01 PM
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Just buy a used Toyota Echo and drive the Evo on the WEEKENDS!
Old Oct 31, 2004, 09:52 PM
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have fun with this one. i think that the evo wasnt made for long trips.what i do is leave the a/c off, stay around 3k rev, and try to stay in the same speed. and with all that i got around 295 miles and that was about 1/8 away from E
Old Nov 1, 2004, 07:16 AM
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Monstarevo, you got it right. I drive my echo all week @ 44mpg and keep 100 octane in the evo for the weekends!! Works for me!! RRR
Old Nov 1, 2004, 02:18 PM
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yeah the only thing that really helps would be leaning it out w/ afc or xede or flash
Old Nov 1, 2004, 02:22 PM
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get some high performance lightweight sneakers...lead-foot

-Steve
Old Nov 1, 2004, 02:37 PM
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Get an Ecobox...?


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