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Subject: "I'm back in the saddle! Well, sort of..." Previous topic | Next topic
Teamner947Nov-27-16 10:04 PM
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#49078, "I'm back in the saddle! Well, sort of..."




          



I finally got a copy of Accesstuner for the STi! All of what I learned years ago on the turbo 2GNT with Megasquirt'N'Spark turns out to be useful for tuning turbo 2.5L Subarus. Although, the EJ257 has it's own set of quirks when compared with a turbocharged 420A. I still haven't even tried to poke the factory, surprisingly elegant boost control algorithm (PI controller).

I've been collecting datalogs and fine tuning the beast. So far I've calibrated the MAF in closed and open-loop conditions. I even wrote a bunch of MATLAB functions which takes a datalog .csv and shows a plot with recommended tuning parameters. I was skeptical at first, but it actually works. I got my closed-loop fuel trims to +/- 4% from ideal. It was not anywhere close to that with the off-the-shelf map.

I just wanted to say thank you to everyone here who helped me learn how to do this kind of stuff back in the day.


2016 WRX STi Limited (current)
2001 A4 1.8tqms (donated)
1991 GVR4 #1933 (sold)
old.dsmregistry.com/detail.php?carid=218 (dismantled)

  

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Replies to this topic
RE: I'm back in the saddle! Well, sort of..., Global Ruler Of All ThingsDarkOne, Dec-05-16 06:42 PM, #1
RE: I'm back in the saddle! Well, sort of..., 420AYE, Jan-23-17 09:26 AM, #2
      RE: I'm back in the saddle! Well, sort of..., Global Ruler Of All ThingsDarkOne, Jan-23-17 09:29 AM, #3
           RE: I'm back in the saddle! Well, sort of..., 420AYE, Jan-23-17 09:30 AM, #4
                RE: I'm back in the saddle! Well, sort of..., Global Ruler Of All ThingsDarkOne, Jan-26-17 08:40 PM, #5
                     RE: I'm back in the saddle! Well, sort of..., 420AYE, Jan-26-17 11:30 PM, #6
                          RE: I'm back in the saddle! Well, sort of..., Global Ruler Of All ThingsDarkOne, Jan-27-17 08:54 PM, #7

Global Ruler Of All ThingsDarkOneDec-05-16 06:42 PM
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14938 posts,
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#49079, "RE: I'm back in the saddle! Well, sort of..."
In response to Reply # 0




          

Right on man. High 5!

I do the same shit on my Evo these days.

______________________________
If a sentence found online has 35% misspellings or greater and includes at least two racially charged expletives, chances are it is a YouTube comment.

'95 Eclipse TurboGS (garage deco)
'95 TSi AWD (restoring a survivor)
'97 Talon ESi-T (poor impulse control)
'99 Eclipse RS-T (daily beater)
'13 Evo X (mostly stock)
'17 Sienna (Middle Aged Dad Mobile)



Factory Service Manuals: http://nawdu.de/files/

  

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420AYEJan-23-17 09:26 AM
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#49080, "RE: I'm back in the saddle! Well, sort of..."
In response to Reply # 1
Jan-23-17 09:27 AM by 420AYE

          

Hey there, don't know if you remember me, but its been about 12 years since I was at this site. I was actually having a discussion about the 335i N54 engine about some billet parts(crank/block) and it reminded me of the project AFX once announced about a 3.0L race block: http://forums.2gnt.com/dcboard.php?az=show_topic&forum=5&topic_id=28280&mesg_id=28280&listing_type=search

Then I noticed my old screen name and tested it. To my surprise I can still login. Sadly, I sold my eclipse many years ago, basically gave it away since I had too many cars and it was broken down. DarkOne, i think I bought an input shaft from you back then and rebuilt my transmission. You had to guide me through some of it over AIM

I'm going to update my email on this board to my current email, I can't forget where I got my roots hehe

Having Problems? Heres my Three step solution to anything 2gnt related.
Step 1: Put down everything in your hands.
Step 2: Grab a lucky strike, Smoke it.
Step 3: Walk to the fridge, double fist some keystone ice, sit down in the shade, drink one beer, finish cigarette, drink other beer, roll a joint, smoke it, walk back to your problem, and in about 5 minutes the solution will come to you.
If not. Go here: here

If still nothing, your trying to hard. Start over at step 1.

  

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Global Ruler Of All ThingsDarkOneJan-23-17 09:29 AM
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14938 posts,
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#49081, "RE: I'm back in the saddle! Well, sort of..."
In response to Reply # 2




          

Howdy!

______________________________
If a sentence found online has 35% misspellings or greater and includes at least two racially charged expletives, chances are it is a YouTube comment.

'95 Eclipse TurboGS (garage deco)
'95 TSi AWD (restoring a survivor)
'97 Talon ESi-T (poor impulse control)
'99 Eclipse RS-T (daily beater)
'13 Evo X (mostly stock)
'17 Sienna (Middle Aged Dad Mobile)



Factory Service Manuals: http://nawdu.de/files/

  

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420AYEJan-23-17 09:30 AM
Donating 2GNT member
2850 posts,
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#49082, "RE: I'm back in the saddle! Well, sort of..."
In response to Reply # 3


          

You want to know something kind of messed up. Back then I was 18 and if you remember Uberingram? He drove an SRT-4. He promised me he could get me a job in Arizona doing some kind of IT stuff. So I quit my job and moved down there on a whim with a friend and turns out he 'got in trouble' at work and had no pull and couldn't get me a job all of a sudden. When you look back at life and think of those forks in the road of your life, well, that was one of them.

Having Problems? Heres my Three step solution to anything 2gnt related.
Step 1: Put down everything in your hands.
Step 2: Grab a lucky strike, Smoke it.
Step 3: Walk to the fridge, double fist some keystone ice, sit down in the shade, drink one beer, finish cigarette, drink other beer, roll a joint, smoke it, walk back to your problem, and in about 5 minutes the solution will come to you.
If not. Go here: here

If still nothing, your trying to hard. Start over at step 1.

  

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Global Ruler Of All ThingsDarkOneJan-26-17 08:40 PM
Donating 2GNT member
14938 posts,
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#49083, "RE: I'm back in the saddle! Well, sort of..."
In response to Reply # 4




          

Uber is still around, we chat all the time!

______________________________
If a sentence found online has 35% misspellings or greater and includes at least two racially charged expletives, chances are it is a YouTube comment.

'95 Eclipse TurboGS (garage deco)
'95 TSi AWD (restoring a survivor)
'97 Talon ESi-T (poor impulse control)
'99 Eclipse RS-T (daily beater)
'13 Evo X (mostly stock)
'17 Sienna (Middle Aged Dad Mobile)



Factory Service Manuals: http://nawdu.de/files/

  

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420AYEJan-26-17 11:30 PM
Donating 2GNT member
2850 posts,
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#49084, "RE: I'm back in the saddle! Well, sort of..."
In response to Reply # 5


          

Well you can tell him hi for me. If he is still in AZ tell him to bring his car out, I drive a single turbo N54 and would love to talk cars

Having Problems? Heres my Three step solution to anything 2gnt related.
Step 1: Put down everything in your hands.
Step 2: Grab a lucky strike, Smoke it.
Step 3: Walk to the fridge, double fist some keystone ice, sit down in the shade, drink one beer, finish cigarette, drink other beer, roll a joint, smoke it, walk back to your problem, and in about 5 minutes the solution will come to you.
If not. Go here: here

If still nothing, your trying to hard. Start over at step 1.

  

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Global Ruler Of All ThingsDarkOneJan-27-17 08:54 PM
Donating 2GNT member
14938 posts,
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#49087, "RE: I'm back in the saddle! Well, sort of..."
In response to Reply # 6




          

http://tinyurl.com/2GNTsignup

Pop into our Slack and chat with him yourself

______________________________
If a sentence found online has 35% misspellings or greater and includes at least two racially charged expletives, chances are it is a YouTube comment.

'95 Eclipse TurboGS (garage deco)
'95 TSi AWD (restoring a survivor)
'97 Talon ESi-T (poor impulse control)
'99 Eclipse RS-T (daily beater)
'13 Evo X (mostly stock)
'17 Sienna (Middle Aged Dad Mobile)



Factory Service Manuals: http://nawdu.de/files/

  

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