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94 Caprice Wagon 5.7L project--46 MPG so far   94 Caprice Wagon 5.7L project--46 MPG so far
A huge boat of a vehicle modded to get some crazy good mileage.
By funkhoss - 75 replies
In forum: EcoModding Central

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 - 33 replies
In forum: Hybrids

Another truck aero cap idea...   Another truck aero cap idea...
Follow the evolution of BamZipPow's aerodynamic cap for his 1998 Toyota T-100 pickup.
By BamZipPow - 381 replies
In forum: Aerodynamics

1997 Civic CX to HX engine/VX trans swap! 63 MPG @ 62 MPH   1997 Civic CX to HX engine/VX trans swap! 63 MPG @ 62 MPH
When his 1997 Civic CX engine needed a lot of work, turbovr41991 decided to spend his repair time doing something different: he picked up a rusty Civic HX and swapped over the more efficient lean burn engine instead, and went with the more efficient gearing of the Civic VX. With a few other modifications in place, the car is returning seriously impressive highway fuel economy.
By turbovr41991 - 187 replies
In forum: EcoModding Central

Commercially produced aerodynamic pickup bed cap   Commercially produced aerodynamic pickup bed cap
Brett Herndon is a genuine craftsman who has combined his skill in clay modeling with his knowledge of aerodynamics to produce a professional quality aerodynamic truck cap which will literally pay for itself in gas savings. It's unlike anything you've seen before: it can be used as a big hatchback, transformed into a conventional box cap, or have its top removed to make room for oversize loads. Brett is taking his handiwork into commercial production, and is a success story waiting to happen.
By MetroMPG - 538 replies
In forum: Aerodynamics

PICS! Econo Car conversion to Kubota Diesel.  1997 Geo Metro, Kubota D1005 3 cylinder   PICS! Econo Car conversion to Kubota Diesel. 1997 Geo Metro, Kubota D1005 3 cylinder
Planejob is making great progress on dieselizing his Metro. His goal: "I want something that seats 3, sounds like a tractor, gets great mileage, and looks insane (aero mods)." No doubt that's going to happen.
By planejob - 237 replies
In forum: EcoModding Central

Replace your car battery with capacitors!   Replace your car battery with capacitors!
A good discussion on replacing a starting battery with ultra capacitors in cars, trucks, and motorcycles.
By redneck - 314 replies
In forum: EcoModding Central


Recumbent Honda 90   Recumbent Honda 90
Ironside customizes and aeromods his Honda 90 motorcycle into a recumbent.
By Ironside - 155 replies
In forum: Motorcycles / Scooters

2005 Prius engine into 1986 MR2: mk1 1nzfxe Prius swap (gas only)   2005 Prius engine into 1986 MR2: mk1 1nzfxe Prius swap (gas only)
Mr220v informs us that used Prius engines are dirt cheap, and therefore fun to experiment with! He swapped one into an MR2, and using the Prius variable cam timing/Atkinson design, he now has variable compression on demand, via a push-button. He's still working out tuning, but fuel economy has gone up a healthy amount, from ~30 to 37 mpg (US).
By mr220v - 114 replies
In forum: Success Stories

SuperGeek Pictures, what do you all think?   SuperGeek Pictures, what do you all think?
Check out this cool custom motorcycle reverse trike project. Hes getting over 70 mpg!
By Alien Vehicles - 50 replies
In forum: EcoModding Central

Full-boat-tail trailer with gap-fillers for Toyota T-100 pickup   Full-boat-tail trailer with gap-fillers for Toyota T-100 pickup
Phil says: "The boat hull is far from ideal but using it will save hundreds of man-hours. Maybe 40 mpg HWY... we'll see. P.S. the trailer is large enough to serve as a rigid tent, for car-camping."
By aerohead - 357 replies
In forum: Aerodynamics

Heating the transmission with engine coolant   Heating the transmission with engine coolant
A good brainstorming discussion about methods for speeding up the warming of the transmission's gear oil.
By Daox - 127 replies
In forum: EcoModding Central

Have you ever given 1-on-1 ecodriving instruction? (Here   Have you ever given 1-on-1 ecodriving instruction? (Here's how I did it.)
MetroMPG walks us through his recent experience of teaching individual "non-hypermilers" about ecodriving. With just an hour-long session, each driver's results showed an immediate increase in fuel economy above their car's EPA ratings.
By MetroMPG - 107 replies
In forum: Hypermiling / EcoDriver's Ed

Staying cool with out air conditioning   Staying cool with out air conditioning
Oil pan 4 builds a liquid cooled seat to stay cool without air conditioning.
By oil pan 4 - 71 replies
In forum: EcoModding Central

Old square sedan kammback   Old square sedan kammback
Joris documents the construction and testing of a nicely made aluminum-skinned Kammback on his (very squared off) notchback Euro Volvo sedan. The addition is cleverly attached at the drip rails and hinged to preserve access to the factory trunk/boot.
By Joris - 74 replies
In forum: Aerodynamics

02 G1 Insight with many ecomods- 999.6 mile tank @ 105 MPG   02 G1 Insight with many ecomods- 999.6 mile tank @ 105 MPG
The donkey CRX has another epic build, this time with his 1st generation Honda Insight.
By The donkey CRX - 133 replies
In forum: EcoModding Central

1st Gen Toyota Tundra Aeroshell Build   1st Gen Toyota Tundra Aeroshell Build
Macskyver chronicles the building of his beautiful wooden aeroshell for his Toyota Tundra.
By Macskyver - 195 replies
In forum: Aerodynamics

Finally broke 60 mpg (bone stock   Finally broke 60 mpg (bone stock '95 Honda Civic VX)
New member Bugzilla scored a dealer-maintained, bone stock Civic VX and through driving technique alone surpassed 60 mpg (US) on his 4th tank. Next up: vehicle mods!
By Bugzilla - 12 replies
In forum: Success Stories

Automatically actuated grill block - Mk3   Automatically actuated grill block - Mk3
Daox designs an automatically actuated grill shutter. The design is nearly fully 3d printed and controlled via an arduino.
By Daox - 135 replies
In forum: Aerodynamics

Ecoscort - 98 Ford Escort ZX2 ecomodding thread   Ecoscort - 98 Ford Escort ZX2 ecomodding thread
BabyDiesel's build thread for his 98 Escort. Hes currently averaging just over 50 mpg with an automatic transmission.
By BabyDiesel - 422 replies
In forum: EcoModding Central





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