Your Fuel ECON

Heads, valves, pistons, rods, crankshaft, etc...

Moderators: Helpinators, Moderators

What is your fuel eco N/A and Turbo

Turbo 0-10 i feel bad for your
2
1%
Turbo 10-13
2
1%
Turbo 13-15
10
5%
Turbo 16-19
37
18%
Turbo 20-25
53
26%
Turbo 25-30+ HOW IS THIS possible
11
5%
N/A 18-23
32
16%
N/A 24-27
33
16%
N/A 27-35+
24
12%
 
Total votes: 204

legacy92ej22t
Knowledgeable
Knowledgeable
Posts: 5203
Joined: Thu Nov 07, 2002 3:59 am
Location: Cogan Station, PA

Post by legacy92ej22t »

I just drove 1,100 miles on a business trip with my '07 Legacy 2.5i SE and I averaged 30.9 MPG.

I used to get around 19 MPG with my SS, 15 MPG if I was having fun with it.
-Matt

'92 SS 5mt. All go and no show. Sold :(
'94 Audi UrS4 Modded (new project)
'96 Outback 5mt.
'07 Legacy 2.5i SE

[quote="Redlined"]
Oh... and I hope the fucker get bunked with Gunter, arrested for raping Gorillas.[/quote]
BAC5.2
Moderator
Moderator
Posts: 9026
Joined: Thu Jan 29, 2004 8:47 pm
Location: Maryland www.andrewtechautomotive.com
Contact:

Post by BAC5.2 »

Shit that's good gas mileage in the 07 Legacy!

Matt, Did you call me the other day? I've been all drugged out.
2009 Outback 2.5XT. 5MT. Satin White Pearl.
2009 Impreza 2.5i Premium. Blue.

[quote="scottzg"]...I'm not a fan of the vagina...[/quote][quote="evolutionmovement"]This will all go much easier if people stop doubting me.[/quote]
555BCTurbo
Knowledgeable
Knowledgeable
Posts: 3335
Joined: Wed Feb 16, 2005 9:40 pm
Location: Oregon

Post by 555BCTurbo »

I get 19-20 in town, and like 26 on the freeway if I stay out of it the whole time

(not an easy task in an SS running 21 psi)
Nick

1987 Audi 4000CS quattro...soon to be 20VT
1994 Dodge Ram 2500 4x4 CTD, #11 plate, 30 psi, Scotty II intake, 4" exhaust
legacy92ej22t
Knowledgeable
Knowledgeable
Posts: 5203
Joined: Thu Nov 07, 2002 3:59 am
Location: Cogan Station, PA

Post by legacy92ej22t »

BAC5.2 wrote:Shit that's good gas mileage in the 07 Legacy!

Matt, Did you call me the other day? I've been all drugged out.
Yeah, I was suprised. That's more then advertised for highway only and this was mixed driving but I admit, it was a lot of highway miles. At one point I was getting 31.8 MPG when it was strictly highway. :D

Yes I called you to see how you made out and stuff. I got your post-op text late so, I just tried to call instead.
-Matt

'92 SS 5mt. All go and no show. Sold :(
'94 Audi UrS4 Modded (new project)
'96 Outback 5mt.
'07 Legacy 2.5i SE

[quote="Redlined"]
Oh... and I hope the fucker get bunked with Gunter, arrested for raping Gorillas.[/quote]
93forestpearl
Fifth Gear
Posts: 3043
Joined: Tue Jan 25, 2005 9:14 pm
Location: Twin Cities, MN

Post by 93forestpearl »

I don't have a speedo yet (next week) but on my trip up north for the fishing opener a couple weeks ago, I got as good of mileage as I did when N/A.

How? Running about 1/2 point lean of stoich in the 15.2-15.3:1 range when cruzing. I know the EPA doesn't like that, but my wallet sure does.
→Dan

piddster34 at h0tma1l d0t c0m
MPtyza
Second Gear
Posts: 331
Joined: Wed Dec 15, 2004 8:00 pm
Location: Telford, PA

Post by MPtyza »

When I still had the 22T in my SS, before the IAC valve issues, I was averaging 27mpg constantly, and I didn't exactly baby it either. That was the second engine, which had been sitting for 5 years before getting installed.
-Mike

White 1988 XT6 FWD 5MT (#2) 229k
Rio Red 1991 Legacy SS 180k :( - Dead
Soul Shinobi
Second Gear
Posts: 496
Joined: Fri Apr 14, 2006 8:49 pm
Location: Nashua, NH, USA

Post by Soul Shinobi »

Wow, how did you pull that off?
-Nick
1992 BC Legacy L Sedan AWD 5MT 272,000 - Wish you the best
1998 BK Legacy L Wagon 5MT 234,000 miles - RIP
2002 SF Forester S Wagon 5MT 215,000 miles - Current winter sleigh
1986 FC Mazda RX-7 GXL Coupe 5MT 155,000 miles - Summer cruiser
Murphy
Third Gear
Posts: 592
Joined: Mon May 15, 2006 11:37 pm
Location: Kentucky

Post by Murphy »

internetautomart wrote:there's no option for 16 mpg N/A
what the crap, you must drive that thing like its a $2 dollar whoar, that or you never do regular maintenance
our 92' Explorer 4.0L gets 17-18mpg, if you cant get that out of a 2500lb (is that right???) 2.2L than i dont know what to tell you
i get 27mpg on average with the city and highway driving i do everyday, on long trips were its pure highway i can get 33mpg at the most
the least i ever got was 19mpg, i had been running it at WOT half the day out on country roads, i only did that once though
1990 Legacy LS, 4EAT
1983 Peugeot 505S Turbo Diesel
Soul Shinobi
Second Gear
Posts: 496
Joined: Fri Apr 14, 2006 8:49 pm
Location: Nashua, NH, USA

Post by Soul Shinobi »

Subaru Legacy L FWD 5MT = 2,740 lbs.
Subaru Legacy L FWD 4AT = 2,840 lbs.
Subaru Legacy LS FWD 4MT = 2,995 lbs.
Subaru Legacy L AWD 5MT = 2,985 lbs.
Subaru Legacy L AWD 4AT = 3,055 lbs.
Subaru Legacy LS AWD 4AT = 3,155 lbs.
Subaru Legacy Turbo AWD 5MT = 3,140 lbs.
Subaru Legacy Turbo AWD 4AT = 3,220 lbs.

I don't know about the wagons. Sorry for that bout of obsessive compulsiveness.

And 16 MPG on an N/A sounds like at least two things must be severely broken.
-Nick
1992 BC Legacy L Sedan AWD 5MT 272,000 - Wish you the best
1998 BK Legacy L Wagon 5MT 234,000 miles - RIP
2002 SF Forester S Wagon 5MT 215,000 miles - Current winter sleigh
1986 FC Mazda RX-7 GXL Coupe 5MT 155,000 miles - Summer cruiser
BAC5.2
Moderator
Moderator
Posts: 9026
Joined: Thu Jan 29, 2004 8:47 pm
Location: Maryland www.andrewtechautomotive.com
Contact:

Post by BAC5.2 »

Matt, I'll call you soon. I wanna chat!
2009 Outback 2.5XT. 5MT. Satin White Pearl.
2009 Impreza 2.5i Premium. Blue.

[quote="scottzg"]...I'm not a fan of the vagina...[/quote][quote="evolutionmovement"]This will all go much easier if people stop doubting me.[/quote]
smh0101
Fifth Gear
Posts: 3056
Joined: Wed Jan 18, 2006 7:56 am
Location: Orlando, FL

Post by smh0101 »

My dad gets consistantly 23-24. I however get about 20. I cant figure out why he gets so much better mileage. He even drives faster than me, waaayyyyy faster. But I get shitty mileage. Hmmm. Maybe the car doesnt like being driven by a 16yr old who drives pretty gentle and rarely (unless trying to get goin fast because he darn near cut someone off) revs above 3k.

I dunno my dad just says he drives smoother, jerk.
~Spencer
94 Legacy Turbo (550 Robtune/ej20h v2 Sti RA drivetrain)
94 Legacy Ti Wagon (5mt ej22e)
91 rhd Legacy GT Wagon (factory 5mt, ej20g)
93 rhd Legacy GT type S2 Sedan (4eat, ej20g)
91 rhd Legacy Ti Type S 1.8
03 Lincoln LS V8 Sport
08 300 SRT8
Murphy
Third Gear
Posts: 592
Joined: Mon May 15, 2006 11:37 pm
Location: Kentucky

Post by Murphy »

speed isnt as important as the time you take to get up to speed and the time you take to slow down

the harder you accelerate and stop the more gas you burn
1990 Legacy LS, 4EAT
1983 Peugeot 505S Turbo Diesel
Soul Shinobi
Second Gear
Posts: 496
Joined: Fri Apr 14, 2006 8:49 pm
Location: Nashua, NH, USA

Post by Soul Shinobi »

Yes, also opening the throttle only a little is less efficient than doing so a moderate to great amount.
-Nick
1992 BC Legacy L Sedan AWD 5MT 272,000 - Wish you the best
1998 BK Legacy L Wagon 5MT 234,000 miles - RIP
2002 SF Forester S Wagon 5MT 215,000 miles - Current winter sleigh
1986 FC Mazda RX-7 GXL Coupe 5MT 155,000 miles - Summer cruiser
Tone-us
First Gear
Posts: 115
Joined: Thu Feb 02, 2006 9:32 pm
Location: Lewiston, Idaho

Post by Tone-us »

Depends... in city I get about 20-22 during the Summer and anywhere for 16-18 in city during the winter. But just Highway driving I get 34-35 in my NA with 240K miles.
turboleg
Second Gear
Posts: 347
Joined: Wed Nov 22, 2006 12:17 pm
Location: Western NY

Post by turboleg »

Here's my run down:

94 NA AWD - 24 CITY, 27 HWY
93 NA FWD - 32 CITY, 35-36 HWY - and she smokes like a stoner at start-up
91 AWD (4.11 GR) EJ22T (mostly stock) - 23 CITY, 26 HWY

Needless to say the 93 NA is my choice for the long trip vacation car.
- Findlay
"You say grease monkey like its a bad thing"
http://www.toolsource.com
turboleg
Second Gear
Posts: 347
Joined: Wed Nov 22, 2006 12:17 pm
Location: Western NY

Post by turboleg »

I notice a big difference just from going from my winter tires to a nice set of all-seasons.
I see an average gain of about 2-3 mpg when I get off the winter treads. Different tire compound and different air pressures seem to have a pretty drastic effect.
- Findlay
"You say grease monkey like its a bad thing"
http://www.toolsource.com
Soul Shinobi
Second Gear
Posts: 496
Joined: Fri Apr 14, 2006 8:49 pm
Location: Nashua, NH, USA

Post by Soul Shinobi »

Yes, I've heard that the max pressure on the tire (usually 44psi) minus 10% (so 39.6psi for a tire with 44 max) gives the best gas mileage.
-Nick
1992 BC Legacy L Sedan AWD 5MT 272,000 - Wish you the best
1998 BK Legacy L Wagon 5MT 234,000 miles - RIP
2002 SF Forester S Wagon 5MT 215,000 miles - Current winter sleigh
1986 FC Mazda RX-7 GXL Coupe 5MT 155,000 miles - Summer cruiser
Soul Shinobi
Second Gear
Posts: 496
Joined: Fri Apr 14, 2006 8:49 pm
Location: Nashua, NH, USA

Post by Soul Shinobi »

Alright, just went from 23 to 26 MPG by rebuilding sticking brake calipers and removing the belt from the broken AC system.
-Nick
1992 BC Legacy L Sedan AWD 5MT 272,000 - Wish you the best
1998 BK Legacy L Wagon 5MT 234,000 miles - RIP
2002 SF Forester S Wagon 5MT 215,000 miles - Current winter sleigh
1986 FC Mazda RX-7 GXL Coupe 5MT 155,000 miles - Summer cruiser
evolutionmovement
Knowledgeable
Knowledgeable
Posts: 9809
Joined: Mon Jun 16, 2003 11:20 pm
Location: Beverly, MA

Post by evolutionmovement »

N/A wagon was always ~25-26. With the low compression engine it was about 23, but that included generally more city driving than before.

Accelerating up to highway speed as fast as possible is best, but accelerating gradually in the city is best. Keep a feel for engine load as well. After driving my brother-in-laws Civic Hybrid with the mpg meter, I got a better idea of how much of a difference it makes. Driving slower gets me over 30mpg in the Mazda (as opposed to 27 driving like an asshole).
Midnight in a Perfect World on Amazon or order anywhere. The first book in a quartet chronicling the rise of a man from angry criminal to philanthropist. Midnight... is a distopic noirish novel featuring 'Duchess', a modified 1990 Subaru Legacy wagon.
Soul Shinobi
Second Gear
Posts: 496
Joined: Fri Apr 14, 2006 8:49 pm
Location: Nashua, NH, USA

Post by Soul Shinobi »

I'd like to use Vikash's select monitor (link) to help measure the efficiency of my accelerating and cruising, but I'm not sure what value would be best. I was looking at the Duty Cycle value recently for a difference reason, and that's given in "ms" which I assume is milliseconds that the fuel injectors are open, but I'm still not sure how that unit of measurement works. Could someone explain?
-Nick
1992 BC Legacy L Sedan AWD 5MT 272,000 - Wish you the best
1998 BK Legacy L Wagon 5MT 234,000 miles - RIP
2002 SF Forester S Wagon 5MT 215,000 miles - Current winter sleigh
1986 FC Mazda RX-7 GXL Coupe 5MT 155,000 miles - Summer cruiser
Legacy777
Site Admin
Site Admin
Posts: 27884
Joined: Tue Oct 15, 2002 11:37 am
Location: Houston, Tx
Contact:

Post by Legacy777 »

You're best way to measure economy is looking at engine vacuum/boost.

Staying out of boost is obviously good, but also having high vacuum is good too.
Josh

surrealmirage.com/subaru
1990 Legacy (AWD, 6MT, & EJ22T Swap)
2020 Outback Limted XT

If you need to get a hold of me please email me rather then pm
Soul Shinobi
Second Gear
Posts: 496
Joined: Fri Apr 14, 2006 8:49 pm
Location: Nashua, NH, USA

Post by Soul Shinobi »

Where are we measuring, right before the throttle body?
-Nick
1992 BC Legacy L Sedan AWD 5MT 272,000 - Wish you the best
1998 BK Legacy L Wagon 5MT 234,000 miles - RIP
2002 SF Forester S Wagon 5MT 215,000 miles - Current winter sleigh
1986 FC Mazda RX-7 GXL Coupe 5MT 155,000 miles - Summer cruiser
93forestpearl
Fifth Gear
Posts: 3043
Joined: Tue Jan 25, 2005 9:14 pm
Location: Twin Cities, MN

Post by 93forestpearl »

You measure your vacuum/boost from the intake manifold. AKA, after the throttle body. And not the ported vacuum source that is on the older throttle bodies as it gets covered by the throttle plate.
→Dan

piddster34 at h0tma1l d0t c0m
yazmo
Third Gear
Posts: 673
Joined: Wed Apr 16, 2008 6:05 pm
Location: Canada

Post by yazmo »

i_c_the_light wrote:I can get 300km going from full to hitting the bottom of the gauge and with 10 litres left reserve.
Something is seriously wrong with my car.
i got the exact same problem but i even get a worst mileage 280km full tank
Buffman
Second Gear
Posts: 501
Joined: Sat Sep 13, 2008 1:59 am
Location: MI

Post by Buffman »

I was averaging 22.4mpg mixed driving. Seems recently with the new 02 sensor it's down to 20.4mpg. Not sure why it'd go down especially after replacing a beat 155K 02 sensor. Unless the Subaru's ECU doesn't like Walker 02 sensors.

It's got a fresh tune up on it. I did put the Belt back on the AC pulley, but it's just spinning nothing as of now since AC needs new Condenser. (was getting 22 with the belt on anyways).

tires are at 35psi and are all brand new. Everything else is running good... I would have figured it would get better mpg.
1992 Legacy LS Special Wagon..
Post Reply