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-   -   Poll: MPG before and after hypermiling (https://ecomodder.com/forum/showthread.php/poll-mpg-before-after-hypermiling-2379.html)

peterj 05-16-2008 02:09 PM

Poll: MPG before and after hypermiling
 
I would like to conduct a an informal poll to see the MPG benefits people are obtaining from hypermiling.

I'd like to try to limit this as much as possible to gains obtained exclusively through driver technique. I believe most hypermilers will utilize other basic techniques when they start hypermiling, including but not limited to increasing tire pressure, reducing unneeded weight, performing scheduled maintenance, etc. The only thing I wish to specifically exclude are physical mods, such as aerodynamic or engine mods. Additional guages (scanguage, vacuum pressure, etc) are, allowed.

Please list the following information. (feel free to cut and paste)

General info

Car mfgr:
Car model/body style:
Year:
Engine size (displacement/cyl):
Transmission type (auto/manual):

MPG info (averages only)

MPG before hypermiling:
MPG currently achieved:

Specifics

Location of primary driving (country/state):
Miles driven per year:
List all tools/techniques used to achieve current MPG:

Many thanks in advance. Hopefully we can get enough response in this thread to make it a stickey!

Frankenstipe 05-16-2008 02:27 PM

Car Info:

Car Make: Toyota
Car Model/Body Style: Corolla Sedan S
Model Year: 2007
Engine Size: 1.8L 4 Cylinder
Transmission: Automatic

MPG Info (averages only):

MPG before hypermiling: 30 MPG @ 75 MPH
MPG currently achieved: 43 MPG @ 55 MPH

Specifics:

Location of primary driving (country/state): San Joaquin County, CA, USA
Miles driven per year: Roughly 15,000
List all tools/techniques used to achieve current MPG: Stopped accelerating past 2,000 RPM's (unless in an emergency situation, i.e. merging too slowly :turtle:) and cruising on the highway at 55 MPH.

**I should also note that I have upsized my rims and tires, 17 x 7.5 rims with 225/45/17 tires. Stock size is 15 x 5.5 rims with 195/65/15 tires.**

trikkonceptz 05-16-2008 02:37 PM

General info

Car mfgr: Pontiac
Car model/body style: Vibe
Year: 2004
Engine size (displacement/cyl): 1.8L
Transmission type (auto/manual): Auto
MPG info (averages only)

MPG before hypermiling: 27.5
MPG currently achieved: 41.0

Specifics

Location of primary driving (country/state): Florida
Miles driven per year: 36000
List all tools/techniques used to achieve current MPG: Slowed to speed limit, coasting to redlights, Engine off @ idle. Inflated Tires to 50psi, added Acetone to fuel 1mL per gallon currently.

PaleMelanesian 05-16-2008 02:49 PM

1996 Honda Civic Sedan
1.6L manual 5-speed

Before:
city: 33-35 mpg
highway: 37-39 mpg

After:
city or on the highway: 60 mpg

Mainly in Texas.
About 10,000 miles a year.
Mods: Scangauge, partial grille block, tires 60 psi
Techniques: Pulse & Glide, engine-off coasting, Pulse & Glide, engine off at lights, extreme anticipation of conditions, route selection, Pulse & Glide, highway speeds down to 55-60, low rpm, etc...

basjoos 05-16-2008 02:52 PM

Honda
Civic CX
92
1.5L/I-4
M5

MPG average before hypermiling: 44mpg (winter), 49mpg (summer) in mostly highway driving.
MPG achieved by hypermiling before installing aero mods: 52mpg (winter) 60mpg (summer)

Location of primary driving (country/state): USA/NC
Miles driven per year: 35,000
List all tools/techniques used to achieve hypermiling MPG: DWB, DWL, EOC, RPM's below 2000, max speed 60mph, preferred speed 40-50mph, raised tire psi from 34 to 48.

Since aeromodding my car, my preferred speed is 60-65,mph and am getting 65mpg (winter), 75mpg (summer).

Doofus McFancypants 05-16-2008 03:09 PM

Car Info:
Car Make: Nissan
Car Model/Body Style: Altima
Model Year: 2000
Engine Size: 2.4L 4 Cylinder
Transmission: Manual

MPG Info (averages only):** all city driving**
MPG before hypermiling: 22 MPG ( was a winter average for Dec 07)
MPG currently achieved: 30 MPG (last 2 tanks average)

Specifics:
Location of primary driving (country/state): Atlanta, USA
Miles driven per year: Roughly 15,000
List all tools/techniques used to achieve current MPG: Slowed to speed limit, EOC (engine off coasting) to redlights/Stops, Engine off @ idle. Opprotunity parking. Minimum engine warm up time ( start and go)

cfg83 05-16-2008 05:01 PM

peterj -

(good thread!)

General info

Car mfgr: Saturn
Car model/body style: SW2
Year: 1999
Engine size (displacement/cyl): 1.9L/I4
Transmission type (auto/manual): manual

MPG info (averages only)

MPG before hypermiling: 31
MPG currently achieved: 41 (32% gain)

Specifics

Location of primary driving (country/state): Los Angeles, California
Miles driven per year: over 23,000
List all tools/techniques used to achieve current MPG:
- Scangauge I
- Drive like a granny
- Economy 5th gear swap
- (Mild engine on) pulse and glide
- Occasional EOC, driving off-peak
- WAI/HAI (Warm/Hot Air Intake)
- LRR tires one size up from stock.


CarloSW2

NoCO2 05-17-2008 11:59 AM

Car Info:
Car mfgr: Toyota
Car model/body style: Camry LE
Year: 1996
Engine size (displacement/cyl): 2.2L / Inline 4
Transmission type (auto/manual): Auto

MPG info (averages only)

MPG before hypermiling: 22MPG
MPG currently achieved: 31.5MPG (50% over epa)

Specifics

Location of primary driving (country/state): Atlanta, GA
Miles driven per year: 15,000
List all tools/techniques used to achieve current MPG:
- DWL (driving with load)
- DWB (driving w/o brakes)
- Hold to speed limits
- Release gas pedal when accelerating to encourage upshifting from auto tranny
- accelerate like a granny
- 100KM/h on highways

Arminius 05-17-2008 08:53 PM

Car mfgr: Honda
Car model/body style:Civic LX
Year:
Engine size (displacement/cyl): 1.7L/ 4cyl
Transmission type (auto/manual): Auto

MPG info (averages only)

MPG before hypermiling:33
MPG currently achieved: 45.5, but not JUST because of hypermiling

Specifics

Location of primary driving (country/state): Wisconsin
Miles driven per year: 15,000 - mostly city and rural

List all tools/techniques used to achieve current MPG:
- Scanguage
- DWB
- DWL
- EOC
- Tire pressure max on sidewall
- Route testing
- Drive no faster than 45, unless on freeway
- Release gas pedal when accelerating to encourage upshifting from auto tranny
- Accelerate like a granny
- Select parking spaces to max FE
- Lots of mods
- SUMMER GAS SURE HELPS!

IndyIan 05-20-2008 09:37 AM

Car Info:
Car mfgr: Plymouth
Car model/body style: Neon SOHC
Year: 1995
Engine size (displacement/cyl): 2.0L / Inline 4
Transmission type (auto/manual): Auto 3spd

MPG info (averages only)

MPG before hypermiling: 30MPG
MPG currently achieved: 36MPG

Specifics.
Mostly rural commuting,
70-50mph Pulse and glide using hills
Engine off at long lights
Car is lowered about an inch due to spring sag.
Tires at 40psi
Basically it take me no longer to get to work but I am getting better mileage!


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