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Search took 0.03 seconds. Search: Posts Made By: ever_green
Forum: EcoModding Central 03-23-2022, 09:49 PM
Replies: 0
Views: 592
Posted By ever_green
2019 Benz A250 project

my lease recently ended and I decided to keep the car, was originally planning on getting an SUV but with the gas prices... since the day I bought my A250 i never reset the trip meter and it has done...
Forum: General Efficiency Discussion 01-09-2020, 11:47 PM
Replies: 12
Views: 1,899
Posted By ever_green
I would say it's a bit overhyped. My 328i has...

I would say it's a bit overhyped. My 328i has coast mode for gliding and using it frequently I only see minor improvements to 42mpg VS 41 with it off. predominantly because the traffic and roads...
Forum: Hypermiling / EcoDriver's Ed 11-19-2017, 09:42 PM
Replies: 16
Views: 4,594
Posted By ever_green
Here is a video of way i shift, usually i skip...

Here is a video of way i shift, usually i skip 5th and go right to 6th but sometimes like here i don’t. 45% load might be because of atkinson cycle retarding VVT and ignition to open up the throttle....
Forum: EcoModding Central 05-25-2017, 11:41 PM
Replies: 5
Views: 2,036
Posted By ever_green
i have left fueling stock as it's already very...

i have left fueling stock as it's already very good from factory. 14.7-15.2:1 very light throttle. i mostly upped ignition timing in cruise areas and added more intake valve timing cam advance at...
Forum: General Efficiency Discussion 05-08-2017, 02:03 PM
Replies: 302
Views: 368,190
Posted By ever_green
another one from epa.gov ...

another one from epa.gov

https://i.snag.gy/Ec6Ozq.jpg
Forum: General Efficiency Discussion 06-24-2015, 10:15 AM
Replies: 302
Views: 368,190
Posted By ever_green
this is one of the best articles i read in...

this is one of the best articles i read in regards to relations of AFR and power/BSFC.

http://www.diversiorum.org/sape/pilotage/Engines/index_files/image004.gif
...
Forum: EcoModding Central 03-28-2015, 11:52 PM
Replies: 61
Views: 9,046
Posted By ever_green
Does ecu flash count? I tuned my ecu for...

Does ecu flash count?

I tuned my ecu for lean burn under part throttle. Given the gains were minimal (~2mpg) it is still my favorite.
Forum: General Efficiency Discussion 03-18-2015, 02:30 PM
Replies: 302
Views: 368,190
Posted By ever_green
I will make a thread about this in general...

I will make a thread about this in general efficiency forum and post some more data:

http://ecomodder.com/forum/showthread.php/bsfc-dyno-31557.html#post472141

also i'm not good at making...
Forum: General Efficiency Discussion 03-18-2015, 02:29 PM
Replies: 5
Views: 2,167
Posted By ever_green
BSFC from dyno

I spent a good chunk of money this week dyno tuning my Nat Asp 2.5L Subaru. Most of the funds were spent in part throttle tuning. I wanted to find the best BSFC at part and full throttle to improve...
Forum: General Efficiency Discussion 03-18-2015, 12:40 AM
Replies: 302
Views: 368,190
Posted By ever_green
While tuning my naturally aspirated 2.5L Subaru...

While tuning my naturally aspirated 2.5L Subaru on the dyno i spent an extra $150 and did some part throttle pulls to find BSFC sweetspot. Since dyno pulls are expensive I only did 4 runs of roughly...
Forum: General Efficiency Discussion 01-23-2015, 12:16 AM
Replies: 9
Views: 2,864
Posted By ever_green
subaru Impreza: lean burn and valve lift experiment

I have been self tuning my impreza for power for the past couple years and learned a lot in the process. But the worst gripe I have about my car is mileage. I made some tuning posts before but I...
Forum: EcoModding Central 11-30-2014, 07:44 PM
Replies: 9
Views: 6,558
Posted By ever_green
disabling deceleration fuel cutoff

With an automatic it is hurtful to transmission to switch from neutral to drive when car is moving. However neutral is really benifical for pulse and glides and general coasting. In drive the car...
Forum: EcoModding Central 11-21-2014, 02:02 PM
Replies: 100
Views: 25,052
Posted By ever_green
any non-detonating engine would make more power...

any non-detonating engine would make more power than a detonating one. plus sometimes its good to reduce VE a little to run more timing. hot rodders sometimes run less compression pistons to run more...
Forum: EcoModding Central 11-20-2014, 05:30 PM
Replies: 100
Views: 25,052
Posted By ever_green
I switched from a 4-2-1 catted equal length...

I switched from a 4-2-1 catted equal length header to 4-2-1 unequal shorter headers and my mileage actually increased. This might be because i could run hella lot more timing at lower RPMs than...
Forum: EcoModding Central 11-20-2014, 05:21 PM
Replies: 36
Views: 5,490
Posted By ever_green
I say go for it. i wish i came accross an...

I say go for it. i wish i came accross an abandoned WRX. Subarus are fun to drive and reliable as dirt.
Forum: Hypermiling / EcoDriver's Ed 10-09-2014, 12:50 AM
Replies: 183
Views: 185,979
Posted By ever_green
after an hour of run after runs i managed to do a...

after an hour of run after runs i managed to do a good log. Tempratures were a bit chilly at 45'f & light drizzle. here is the result.

http://i.snag.gy/XjSJZ.jpg

ps. i also attached one of the...
Forum: Hypermiling / EcoDriver's Ed 10-08-2014, 09:24 PM
Replies: 38
Views: 8,818
Posted By ever_green
leanburn was not the purpose of this thread but...

leanburn was not the purpose of this thread but in any case I rather run leaner and produce more nox than go richer and produce more CO2, HC and CO, one leads to global warming and the other is...
Forum: Hypermiling / EcoDriver's Ed 10-04-2014, 02:17 PM
Replies: 38
Views: 8,818
Posted By ever_green
Over square operation and Specific Range

Overview
I recently read an article about over square engine operation on aircraft engines. This was perhaps one of the most interesting reads I had for engine efficiency and operation. You can find...
Forum: EcoModding Central 01-28-2014, 03:56 PM
Replies: 3
Views: 1,931
Posted By ever_green
No I have not started following this chart yet. I...

No I have not started following this chart yet. I still have to do more logging and confirmation of the numbers. I find that stuff like temperature and humidity play big role in this. For example the...
Forum: EcoModding Central 01-27-2014, 08:36 PM
Replies: 3
Views: 1,931
Posted By ever_green
My own BSFC chart using software from road dyno

Few months back I posted a thread about modifying my Drive By Wire maps to improve fuel efficiency (http://ecomodder.com/forum/showthread.php/drive-wire-throttle-tune-3-mpg-gain-more-27518.html). Now...
Forum: EcoModding Central 11-12-2013, 07:31 PM
Replies: 29
Views: 19,294
Posted By ever_green
Drive by Wire Throttle tune = ~3 MPG gain & more

Background:
For those of you who are unfamiliar with Drive by wire throttles (DBW), they are basically 'electric' throttles. The computer in your machine (ECU) determines how much the throttle plate...
Forum: Hypermiling / EcoDriver's Ed 10-31-2013, 09:42 AM
Replies: 103
Views: 26,935
Posted By ever_green
saw a nissan leaf tailgating a massive semi truck...

saw a nissan leaf tailgating a massive semi truck in horrible rain and fog today at 70mph speeds. I was just cruising at 55. a couple minutes later I saw the nissan leaf again stopped on the shoulder...
Forum: General Efficiency Discussion 10-16-2013, 05:04 PM
Replies: 0
Views: 1,734
Posted By ever_green
best BSFC vs. Vacuum (engine load) using software

Finally after months of research, phone calls, emails and other time wasting activities I got the information I needed to accurately simulate my engine's function using Engine analyzer pro. I also...
Forum: Hypermiling / EcoDriver's Ed 10-15-2013, 12:57 AM
Replies: 7
Views: 3,582
Posted By ever_green
sorry where did u get 40s to 60kmh from? I never...

sorry where did u get 40s to 60kmh from? I never posted this. and my car hits open loop at 90% load and dumps enough fuel to power a prius for a week. the coasting starts after car hits desired...
Forum: Hypermiling / EcoDriver's Ed 10-10-2013, 07:02 PM
Replies: 7
Views: 3,582
Posted By ever_green
Acceleration Efficiency Tests (Subaru AWD)

I know someone already made a post about an Automatic toyota, but here is mine for a mildly modified Subaru impreza 2.5i AWD. I got almost the opposite result as the other member with matrix.

The...
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