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Old 02-11-2015, 09:23 AM   #1 (permalink)
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Fiesta - '06 Ford Fiesta 1.4 Ambiante
90 day: 45.9 mpg (US)

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Whats your best ecomod?

whats your best single ecomod that gave you the biggest gain in FE? I havnt started modifying my car yet still collecting data on standard car before I start the mods. However just changing my driving style only so far have saved me around 1.5l per 100km or around 9mpg. but want to know what single mod will give me the biggest gain further. personally I think it would be a grill block but what were your results?

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Old 02-11-2015, 09:26 AM   #2 (permalink)
Not bad for a machine
 
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Maechunbu - Retired - '00 Kia Sephia 1.8I4 16VDOHC
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Kill-Switch

runner up is my Scangauge.
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Old 02-11-2015, 09:28 AM   #3 (permalink)
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Fiesta - '06 Ford Fiesta 1.4 Ambiante
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my car got power steering that I loose when engine is off. how exactly does the scangauge save you?
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Old 02-11-2015, 09:39 AM   #4 (permalink)
Not bad for a machine
 
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Maechunbu - Retired - '00 Kia Sephia 1.8I4 16VDOHC
Last 3: 45.28 mpg (US)

Slasher - '96 Chevy Corsica 2.2L 3speedauto
Duct Tape Aero Crew
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Because I can look at all kinds of data as I am driving!!

Instant MPG, Average MPG, I can look at my foot with the throttle position sensor gauge, I can look at the LOD or load the engine is at, MAP sensor, how much horse power I am using. $ per mile, The Air intake temperature, Water temp, clears and reads check engine lights. Once you get it you are shocked how you lived without it.

If you are broke get a OBD2 ELM bluetooth dongle a cheap android phone and a few apps that do the same thing as the scangauge.
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Old 02-11-2015, 10:26 AM   #5 (permalink)
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I'm 100% with dirtydave on the Scangauge. Being able to see instant data readout is crucial. That data allows you to modify your driving style to greater extent on the fly.

Case in point, my ZX2 was cruising yesterday at the same speed, but dependent upon my throttle, getting between 37 and 43 mpg. Being able to see that I am getting 43 instead of 37 adds up quick.
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Past threads:
ZX2 modding thread
Ecomodder's Top 10: How they do it!
ZX2 Aerodynamics: Shooting for 0.15 Cd
ZX2 coast-down testing for Cd & Crr
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Old 02-11-2015, 11:22 AM   #6 (permalink)
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Scangauge. Knowledge is power. For instance, knowing that a single red light knocks several mpg off your trip average, you do all you can to time the light and roll through on green.
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Old 02-11-2015, 12:45 PM   #7 (permalink)
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MPGuino - definitely!
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Gerhard Plattner: "The best attitude is to consider fuel saving a kind of sport. Everybody who has enough money for a strong car, can drive fast and hit the pedal. But saving fuel requires concentration, self-control and cleverness. It's a challenge with the nice effect of saving you money that you can use for other more important things."
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Old 02-11-2015, 12:51 PM   #8 (permalink)
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Quote:
Originally Posted by PaleMelanesian View Post
Knowledge is power.
None of the other mods can to a proper job if you can't see what thry're doing.
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Quote:
Originally Posted by sheepdog44 View Post
Transmission type Efficiency
Manual neutral engine off.100% @MPG <----- Fun Fact.
Manual 1:1 gear ratio .......98%
CVT belt ............................88%
Automatic .........................86%

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Old 02-11-2015, 01:39 PM   #9 (permalink)
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Scangauge lets me know my airdam has made the biggest improvement when cruising at a steady speed, and that the rear wheel skirts I tried actually hurt mileage.(although I want to retest them with tire spats on, and something to help separation at the back corners, currently thinking the smoother air from the skirts follows the drag inducing large radius bumper corners) I would have just assumed they helped if not tested
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Old 02-11-2015, 01:55 PM   #10 (permalink)
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No doubt in my mind.

My best mod was slowing down the engine at any given road speed through re-gearing. Done in two stages. First 3.08:1 rear axle gear, then a GV overdrive. Good for a 20% improvement by itself and also make it easier to realize aero road load reductions.

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2000 Ford F-350 SC 4x2 6 Speed Manual
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