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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) 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 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 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 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 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 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) 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

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'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? 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) By janvos39 - 165 replies In forum: Motorcycles / Scooters

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) StudeChamp does an amazing restoration on a 1991 Geo Metro, and integrates ecomods into the restoration. By StudeChamp - 71 replies In forum: EcoModding Central

Modding "The Party" (aeromods on 2011 Ford Fiesta S sedan) Rare are the owners of new vehicles who are willing to modify them right out of the box. This thread documents the addition of a plethora of aero mods to a brand new Ford Fiesta. Its highway fuel economy is steadily improving - now beating the EPA rating by over 10 MPG (cruising at 62 mph with the A/C on). That's better than a Geo Metro! By RiderofBikes - 138 replies In forum: Aerodynamics

Streamlined Citroen ZX CitroX describes his project: "This was actually the experimental part of my master thesis. I needed to analyse how drag effects a moving vehicle and how it's aerodynamics could be improved. Orginal car ABA testing did 31.36 mpg @ 56mph. Modified car same road same speed but warmer weather did 49 mpg. This mpg increase is very close to the one that was theoretically estimated." By CitroX - 48 replies In forum: Introductions

Full boat tail on a Matrix A gain of ~5 MPG is documented from the construction of this hatch-mounted boat tail on a 2006 Toyota Matrix. The goal of the builder was to preserve access to the hatch and rear vision. By Weather Spotter - 337 replies In forum: Aerodynamics

Grill block on a Silverado By darcane - 83 replies In forum: Aerodynamics

Another Civic VX Kammback with deep roots mloveland78 documents an extensive rebuild of his Civic VX, as well as additional modifications that lead him to regularly getting better than 70 mpg (US) / 3.4 L/100 km on his usual commute in warm weather. By mloveland78 - 41 replies In forum: Aerodynamics

Accord aero mods, 4.25% increase, more to come Istas does a handful of aeromods to his 2005 Honda Accord and shares the results of his testing with us. By Istas - 73 replies In forum: EcoModding Central