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Grill Block 2.25% Increase @ 50 mph.
Sarguy01 documents a lower grille block made from aluminum flashing on his 2005 Honda Civic: "After ABA testing tonight at 50 mph, I got an increase of 1.7% one way and 2.8% increase the other way. Average gain was 2.2%."
By sarguy01 - 64 replies
In forum: Aerodynamics
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I Hit 100 MPG! (1987 Honda Elite 150 Scooter)
Jimd explains how he passed the 100 mpg mark: "I've owned my 1987 Honda Elite 150 Scooter for 3+ years and always averaged around 70 to 75 mpg, but this year I decided to do a few things to improve my mileage..."
By jimd - 20 replies
In forum: Success Stories
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Honda Insight Tail Extension Project
What happens when you start with one of the most aerodynamic production cars ever sold and add a custom-crafted tail to make it even more efficient? Initial testing showed an improvement in fuel economy of 10.3% at 56 mph, or tentatively around an 18% reduction in aero drag. With this tail and other aero modifications in place, the car is regularly returning 100+ MPG tanks in every day use in warm weather.
By 3-Wheeler - 524 replies
In forum: Aerodynamics
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1939 Studebaker + Geo 1.0L drivetrain swap = Studeo
What do you when your Studebaker restoration leaves you with a spare parts car at the same time you also have an extra 1.0L Geo Metro drivetrain on hand? Why, you mount the Geo running gear in the rear of the spare Studebaker, of course. This thread documents the on-going "eco-classic" project.
By StudeChamp - 42 replies
In forum: EcoModding Central
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Drive by Wire Throttle tune = ~3 MPG gain & more
Ever_green remaps the electronic throttle in his automatic Subaru Impreza with good results: "The factory throttle mapping for my Subaru was always a pain in my butt. Unwanted acceleration, a jerky drive and a fatigued foot were causing problems (when trying to drive efficiently). I really feel sorry for owners who are stuck with crappy factory tuned DBW throttles."
By ever_green - 29 replies
In forum: EcoModding Central
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2000 Dodge Neon aero mods
2000neon says: "My mileage started out around 28 mpg (US), and driving technique took me to about 33-34." Since most of his driving is on the highway, he has been experimenting with a number of aerodynamic modifications, and recently achieved a personal best tank of 45.7 mpg. The latest project is an aluminum frame Kammback hinged above the rear glass to permit access to the trunk.
By 2000neon - 126 replies
In forum: Aerodynamics
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Best Mod to Date - Trans Swap (1997 Civic HX)
PAFirefighter's 1997 Honda Civic HX had an SI transmission in it when he got it, and his fuel economy was worse than he expected. Since swapping back to the "taller" stock transmission, fuel economy has gone up significantly, even as winter conditions are setting in.
By PAFirefighter11 - 43 replies
In forum: Success Stories
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Project 1977 F100 - New radiator + electric fan!
Australian bobo333 has been fixing up a 1977 Ford pickup with LPG (propane) conversion to use as a shop/tow vehicle, and this project thread documents general repairs as well as efficiency modifications. Construction of an aerodynamic bed cap starts at post #48 and early results are in: his first fill up since adding it was a record best.
By bobo333 - 156 replies
In forum: EcoModding Central
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Cruising at 60+ mpg @ 60 mph
Continued modding & diligent driving has this 1998 Civic DX coupe close to the "60 @ 60" milestone. "Averaged 64.x mpg over 250 miles, and my speeds varied from 55-60 mph. With a few more good aeromods, maybe my long sought goal of cruising at 60 mph and 60 mpg is almost in reach."
By California98Civic - 46 replies
In forum: Success Stories
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P&G EOC gains 20% mpg on the highway
PaleMelanesian did some quick testing to see how much fuel he saves with the advanced "pulse and glide" driving technique on the highway vs. driving at the same average speed using cruise control in his 2009 Honda Fit.
By PaleMelanesian - 30 replies
In forum: Success Stories
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