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Project Extended Pop-Top Aerodynamic Camper Shell (   Project Extended Pop-Top Aerodynamic Camper Shell ('99 Tacoma)
The design criteria for this fiberglass-over-foam project: extended to the end of the lowered tailgate for maximum room (and further reduced aero wake); enough room in the "up" position for a raised floor to store gear beneath while still having room to sit up and move around comfortably; simple and convenient to use.
By a8ksh4 - 344 replies
In forum: Aerodynamics

City ecodriving comparison: 2014 Mirage CVT vs. Mirage 5-speed vs. 1998 Metro 5-speed   City ecodriving comparison: 2014 Mirage CVT vs. Mirage 5-speed vs. 1998 Metro 5-speed
Econobox fuel-sipping shootout, new vs. old school: MetroMPG was curious about the fuel economy potential of the 3-cylinder 2014 Mitsubishi Mirage. So he pitted a 5-speed manual Mirage against a Mirage CVT against his modified 1998 Geo Metro (Firefly) manual in a city MPG comparison.
By MetroMPG - 91 replies
In forum: Hypermiling / EcoDriver's Ed

208 km (129 mi.) in EV mode with a 2007 prius plugin 20kWh   208 km (129 mi.) in EV mode with a 2007 prius plugin 20kWh
Planetaire shares his very nice 2nd gen Prius PHEV conversion.
By planetaire - 27 replies
In forum: Hybrids

Ren: My   Ren: My '92 Civic
Following on the heels of the aesthetically entertaining, aero-modified Project Anal Probe (1992 Ford Probe), Sven7 is well underway in the transformation of his latest steed into an even more efficient and unique looking machine.
By Sven7 - 392 replies
In forum: EcoModding Central

89 civic wagovan 5spd (very slow build: power + ecomods & lots of pics!)   89 civic wagovan 5spd (very slow build: power + ecomods & lots of pics!)
Meet "Skiddy", a 1989 Honda Civic Wagon being transformed into a "dual purpose" sleeper: 300 horses PLUS a pile of efficiency mods. The goal is 35 MPG (US) combined (compared to the original EPA rating of 28 MPG combined).
By vrmouseyd15b - 298 replies
In forum: EcoModding Central

4 does-for-more-bros (97 civic dx sedan: HX + auto to manual swap)   4 does-for-more-bros (97 civic dx sedan: HX + auto to manual swap)
Jakins wanted more doors and A/C, so he picked up a cheap 4-door Civic DX automatic and is converting it over to HX mechanicals and manual transmission, plus aero mods. His goal: 55-60 mpg US.
By Jakins - 64 replies
In forum: EcoModding Central

DIY open source lithium BMS (battery management system)   DIY open source lithium BMS (battery management system)
This thread details the development and testing of a lithium battery management system (BMS). The system is being built for a Toyota Prius plug-in conversion kit, but it could be used in many other applications.
By Daox - 42 replies
In forum: Fossil Fuel Free


Experiment: smooth wheel discs tested A-B-A - 4.6% mpg improvement @ 65 mph   Experiment: smooth wheel discs tested A-B-A - 4.6% mpg improvement @ 65 mph
Forum member Concrete tested smooth wheel covers on his 2000 Chevrolet S10 pick-up, and posted the data compared to the stock alloy wheels. A-B-A testing found +1.3 mpg -- that's about 4-5% depending on how you want to figure it.
By Concrete - 318 replies
In forum: Aerodynamics

Project: The Anal Probe   Project: The Anal Probe
Meet the Anal Probe: a 1992 Ford Probe 5-speed that is half art car, half aerodynamic modifications showcase. It's a student's winter beater on a mission: "EPA ratings for the car are 21/28 mpg. I'm shooting for 40 mpg with the aero mods and some conservative driving." In the end, he beats his goal handily... and celebrates by giving the car a new, completely different paint job ... and a full boat tail for even better MPG.
By Sven7 - 848 replies
In forum: EcoModding Central

1955 Buick Special sedan - diesel conversion   1955 Buick Special sedan - diesel conversion
Ingredients: 1955 Buick Special 4-door, 6.2L V8 diesel from an '84 Chevy 1500 pickup. Biodiesel planned.
By wndsofchng - 60 replies
In forum: Fossil Fuel Free

AeroSprite! Aero & mechanically modified Austin Healey Sprite: consistent 65 MPG US   AeroSprite! Aero & mechanically modified Austin Healey Sprite: consistent 65 MPG US
Blast from the past: this 1970's era DIY streamliner achieved unheard of mileage in its day through a combination of aerodynamic mods (obviously), plus changes to the engine and gearing.
By MetroMPG - 65 replies
In forum: Aerodynamics

Almost OEM Lower grill block 2013 Subaru Impreza WRX STI   Almost OEM Lower grill block 2013 Subaru Impreza WRX STI
Jedi_sol's girlfriend gave him an ultimatum: either make those modifications look nicer, or I'm outta here! In true ecomodder fashion, he bought her a bus ticket home. Just kidding! He put in some time & effort to fabricate some nice looking fiberglass Subie grille blocks.
By jedi_sol - 56 replies
In forum: Aerodynamics

Analyzing, refurbishing/repairing a dead hybrid battery pack (2000 Honda Insight)   Analyzing, refurbishing/repairing a dead hybrid battery pack (2000 Honda Insight)
A few forum members have been lucky enough to pick up first generation Honda Insight hybrids at rock bottom prices because their hybrid batteries were "dead". This project shows how a hybrid battery can sometimes be brought back to life for a few hundred dollars - not "good as new", but still functional.
By MetroMPG - 182 replies
In forum: Hybrids

Project: ECOfamily Civic and its Aero Hitch Box / Boat Tail   Project: ECOfamily Civic and its Aero Hitch Box / Boat Tail
Christofoo says: "This thread will be about my forthcoming hitch-mounted cargo box boat-tail ... maybe the first project thread applicable to a sedan."
By christofoo - 219 replies
In forum: Aerodynamics

2015 Nissan Micra coming to Canada (US too?) ... for under $10k ... new Micra Forum   2015 Nissan Micra coming to Canada (US too?) ... for under $10k ... new Micra Forum
Economy car fans will soon have a compelling new car option: Nissan is bringing back the Micra, starting under $10k. It may be Nissan's most efficient car, too. But Canada only, eh? Pity!
By MetroMPG - 43 replies
In forum: General Efficiency Discussion

Did you meet your 2013 Goals???  What   Did you meet your 2013 Goals??? What's in store for 2014?
EcoModder members discuss how close they got to reaching their personal modding goals in 2013, plus what's in store to save even more fuel in 2014.
By pgfpro - 42 replies
In forum: EcoModding Central

Kill Switch (EOC): Where did you install your activator? And what did you use?   Kill Switch (EOC): Where did you install your activator? And what did you use?
Shutting off the engine in a manual transmission car while coasting or when stopped (with any transmission) is an advanced efficiency driving technique that can save a lot of fuel. An ergonomically placed kill switch makes the process easier, safer, and saves wear on the ignition switch. This thread shows multiple installations.
By myrefugeisintheLord - 202 replies
In forum: DIY / How-to

Suzuki Burgman modification (aerodynamics + gearing mods)   Suzuki Burgman modification (aerodynamics + gearing mods)
By janvos39 - 165 replies
In forum: Motorcycles / Scooters

5 Basic Aeromods:  A-B-A Test Results   5 Basic Aeromods: A-B-A Test Results
Thorough testing reveals a nearly 8% gain at 60 mph from 5 simple modifications to a 2004 Honda Accord. The changes? Increase tire pressure plus 4 aero mods.
By accord_minded - 20 replies
In forum: Aerodynamics

How to spend $5k on a $2k econobox = NOT SWIFT (Geo Metro restoration & mods)   How to spend $5k on a $2k econobox = NOT SWIFT (Geo Metro restoration & mods)
StudeChamp does an amazing restoration on a 1991 Geo Metro, and integrates ecomods into the restoration.
By StudeChamp - 71 replies
In forum: EcoModding Central





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