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Old 05-19-2009, 02:03 PM   #1
Defmxtones
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Default Stage 2 STI 07 log E-Tuned 3rd gear pull

How does everything look on this log..

http://spreadsheets.google.com/ccc?k...EUdcQArR2l7PRA

thanks

link should work now
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Last edited by Defmxtones; 05-19-2009 at 06:41 PM.
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Old 05-19-2009, 02:41 PM   #2
bren wrx
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doesnt work, please post in thread using [code] function on nasioc
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Old 05-21-2009, 10:13 AM   #3
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A/F looked good, you must have lifted high in the rpm range and got right back on it? or was that something the car did? What is your target A/F set to, what is your target boost? I would say everything seems to be running right, you are not pulling any negative timing or knock so that is good also.
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Old 05-21-2009, 11:30 AM   #4
bren wrx
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looks good sheet works now

coolant and iat temps are hot but you are in arizona. but looks alright for a AZ 91 tune.

you need to get rid of those knocks and look at feedback knock and fine learning.
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Old 05-21-2009, 12:18 PM   #5
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Originally Posted by bren wrx View Post
look at feedback knock and fine learning.
yes log these please.
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Old 05-21-2009, 04:51 PM   #6
the suicidal eggroll
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Since when is 99% IDC considered safe!?!?

Temperature drops by 40 deg, boost is higher and air is more dense, you're going to run out of fuel and possibly grenade your motor. You need to swap your fuel pump if you haven't already and re-tune to lower your IDC, if you already have a new pump then you need to lower your boost until you get new injectors.
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Old 05-22-2009, 01:36 PM   #7
bren wrx
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Originally Posted by the suicidal eggroll View Post
Since when is 99% IDC considered safe!?!?

Temperature drops by 40 deg, boost is higher and air is more dense, you're going to run out of fuel and possibly grenade your motor. You need to swap your fuel pump if you haven't already and re-tune to lower your IDC, if you already have a new pump then you need to lower your boost until you get new injectors.
they do that stock and well beyond ever since ummm 2002, tell subaru that.

i dont see the cars run out of fuel till 105-106% and then they just lean out a little. If the cars at 10.6-10.8.....not the end of the world. Or he could lean it out a bit - hes also in arizona.
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Old 05-22-2009, 01:45 PM   #8
the suicidal eggroll
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These cars do not run at 99% IDC stock, that is well beyond what is considered "safe". Go to any tuning resource, any book, any website, and they will all tell you that once your IDC gets above 95 or so (some say 90, some even say 85), it's time to upgrade your injectors. If my car was running 99% IDC, I would stop going WOT immediately until I bought new injectors. I don't care if other people drive their cars like that, other people also run their cars out of oil and spin bearings, it doesn't mean it's a good idea.
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Old 05-22-2009, 02:02 PM   #9
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Originally Posted by the suicidal eggroll View Post
These cars do not run at 99% IDC stock, that is well beyond what is considered "safe". Go to any tuning resource, any book, any website, and they will all tell you that once your IDC gets above 95 or so (some say 90, some even say 85), it's time to upgrade your injectors. If my car was running 99% IDC, I would stop going WOT immediately until I bought new injectors. I don't care if other people drive their cars like that, other people also run their cars out of oil and spin bearings, it doesn't mean it's a good idea.
log these cars are low elevations, like where i live - they go 99%+ fyi STOCK

I understand what your saying, its well known, however its something that plagues these cars. Almost every tuned stage 2 car out there doesnt have injectors, thats the reality/real world - 10s or 1000s of them.

pumps do only a little for idc, but help as "insurance"
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Old 05-22-2009, 02:07 PM   #10
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log these cars are low elevations, like where i live - they go 99%+ fyi STOCK
I don't believe that...if they did, we wouldn't be able to increase the boost at all without fueling problems. The stock maps don't run much richer than stage 2 maps, not richer enough to let us increase the boost from stock to 19+ in the midrange and 15+ at redline.

There also wouldn't be enough fuel to let me run 15 psi on a GT30R on the stock injectors and make over 300whp without them even hitting 99% IDC. I've never had the opportunity to log a stock car though, so I can't say for sure.
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Old 05-22-2009, 02:09 PM   #11
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Originally Posted by the suicidal eggroll View Post
I don't believe that...if they did, we wouldn't be able to increase the boost at all without fueling problems. The stock maps don't run much richer than stage 2 maps, not richer enough to let us increase the boost from stock to 19+ in the midrange and 15+ at redline.

There also wouldn't be enough fuel to let me run 15 psi on a GT30R on the stock injectors and make over 300whp without them even hitting 99% IDC. I've never had the opportunity to log a stock car though, so I can't say for sure.
are you new to tuning?

the stock maps target 9.5 on some cars, even more so on the failsafe map. leaning that out makes a big difference in IDC. What you are describing is 100% normal on a cobb map, open source map, or any map with stock fuel, or raised boost.

this will boggle your mind more, during fuel adaptation, 07 STi's go 105+% STOCK at low elevations - its well documented on this site.
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Old 05-22-2009, 02:18 PM   #12
the suicidal eggroll
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are you new to tuning?

the stock maps target 9.5 on some cars, even more so on the failsafe map. leaning that out makes a big difference in IDC. What you are describing is 100% normal on a cobb map, open source map, or any map with stock fuel, or raised boost.

this will boggle your mind more, during fuel adaptation, 07 STi's go 105+% STOCK at low elevations - its well documented on this site.
My stock ROM targets 10.63 at the very richest, and at more realistic loads at redline it targets 10.8. That's the same AFR as many aftermarket tunes, but 3-4 psi less. If you're telling me it's at 99% IDC at redline at 12 psi and 10.8 AFR, how is it also at 99% IDC at redline at 15 psi and 10.8 AFR?

edit: Looks like the 07 is much richer from the factory, 9.5 at the richest, 9.8-10 at more realistic loads at redline. That could account for the 07s running high IDC stock, but earlier models shouldn't.

Either way, should still do injectors...
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Old 05-22-2009, 02:29 PM   #13
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Quote:
Originally Posted by the suicidal eggroll View Post
My stock ROM targets 10.63 at the very richest, and at more realistic loads at redline it targets 10.8. That's the same AFR as many aftermarket tunes, but 3-4 psi less. If you're telling me it's at 99% IDC at redline at 12 psi and 10.8 AFR, how is it also at 99% IDC at redline at 15 psi and 10.8 AFR?

edit: Looks like the 07 is much richer from the factory, 9.5 at the richest, 9.8-10 at more realistic loads at redline. That could account for the 07s running high IDC stock, but earlier models shouldn't.

Either way, should still do injectors...
what the car targets and the actual afr is completely different. 10.8 target can be 10.2-10.3 on a stock 06 sti. I hope you know this. Most tuned maps on an 06 sti called for 11.2-11.3, half a point less fuel.

most cars target 9s in high load column (bugeyes, 07s etc)
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Old 05-22-2009, 02:38 PM   #14
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what the car targets and the actual afr is completely different.
Shouldn't be, unless the MAF scaling is wrong or you have some weird LTFT going on. Maybe Subaru intentionally screws up the MAF scaling to make it run richer than spec at redline? That wouldn't make any sense to me why they would do that when they could just change the target and get the same result. My target/actual is on the nose, I wouldn't have anything else.

Quote:
Originally Posted by bren wrx View Post
Most tuned maps on an 06 sti called for 11.2-11.3, half a point less fuel.
Depends on the map, most of the ones that I've seen target closer to 11.0 or high in the 10s, same as stock.

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most cars target 9s in high load column (bugeyes, 07s etc)
Not the 05 STi, haven't checked others.
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Old 05-23-2009, 08:48 PM   #15
bren wrx
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Quote:
Originally Posted by the suicidal eggroll View Post
Shouldn't be, unless the MAF scaling is wrong or you have some weird LTFT going on. Maybe Subaru intentionally screws up the MAF scaling to make it run richer than spec at redline? That wouldn't make any sense to me why they would do that when they could just change the target and get the same result. My target/actual is on the nose, I wouldn't have anything else.


Depends on the map, most of the ones that I've seen target closer to 11.0 or high in the 10s, same as stock.


Not the 05 STi, haven't checked others.
Suggest you do a little more research.
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Old 05-29-2009, 01:09 AM   #16
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WRX maps do dip into the 9s. When I tune, I lean it out quite a bit which gives the injectors some headroom.
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Old 06-02-2009, 09:36 PM   #17
nj1266
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Originally Posted by the suicidal eggroll View Post
I don't believe that...if they did, we wouldn't be able to increase the boost at all without fueling problems. The stock maps don't run much richer than stage 2 maps, not richer enough to let us increase the boost from stock to 19+ in the midrange and 15+ at redline.

There also wouldn't be enough fuel to let me run 15 psi on a GT30R on the stock injectors and make over 300whp without them even hitting 99% IDC. I've never had the opportunity to log a stock car though, so I can't say for sure.
Well I had and you are wrong. Here is the log of a 100% stock 06 STi. It hits 97% IDC.

http://www.sr20deracing.com/Subaru/S...216_131354.csv

A stock Evo IX hits 100%+ IDC. I have one and I logged it stock. I would post the log, but I do not have it right now. Believe me a LOT of Evo IXs run 100% IDC on the stock tune.

The reason why we can run more boost and add more parts and run LESS IDC is that we lean out the AFR. When you lean out the AFR from 10:1 stock to around 11-11.5:1, the IDC goes down. It makes sense since the car is using less fuel during WOT operation and the injectors are not almost static.
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Old 06-03-2009, 10:14 AM   #18
the suicidal eggroll
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You might be right, I never tuned my car when it was stock, I started after it had blow-through, injectors, TGVs, and a GT30.

It does depend on the car though, the 06 might target 10.0:1 but the 05 does not, my comments were based on my observations of my stock ROM, which is apparently very different than the 06+ stock ROM.
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