IS F (2008-2014) Discussion topics related to the IS F model

Those with a ECU tune , results please

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Old 03-15-16, 11:10 AM
  #196  
Bigjon3475
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Originally Posted by Sean
It looks more like there may be initial results but the ECU somehow "corrects" itself over time. Hopefully that isn't the case but it seems to fit based on attempts we've seen previously.

If there are issues, I'm sure RR and TTFS will be hard at work to correct them rather than just give up and abandon the product.
These tunes aren't piggyback type setups that alter signals. You're rewriting to the ECU a new program. There's nothing to correct unless you create a new program. At least that's what I understand of the process. If one of the tuners can chime in if that's incorrect.
Old 03-15-16, 11:35 AM
  #197  
jspecvtec
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I just got headers and it feels pretty strong now
Old 03-15-16, 11:44 AM
  #198  
SoulFreak
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Damn, It's pulling mighty hard!!!
Old 03-15-16, 12:32 PM
  #199  
TTFS
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Originally Posted by Bigjon3475
These tunes aren't piggyback type setups that alter signals. You're rewriting to the ECU a new program. There's nothing to correct unless you create a new program. At least that's what I understand of the process. If one of the tuners can chime in if that's incorrect.
Correct, Flashing the micro processor on the DME cannot learn anything but what it has been programmed to do.
Old 03-15-16, 12:39 PM
  #200  
kareemRCF
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Originally Posted by juanmedina
what ....

if you look at logs from a tune car vs a non tuned car you can see changes in timing, AFR and MAF etc etc.
you might be right but maybe the toyota ECU is too smart and it corrects itself back to stock
Old 03-15-16, 01:02 PM
  #201  
JFonz
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Originally Posted by Piston1047
Let me get things started so the popcorn eaters can enjoy

I think a few people need to dial the F back. A-lot of folks on the forum are using their time and hard earned money to get dynos, buy the tune and re-dyno. ... Do I think they should start testing tunes with more variables, yes, but I also know this will take time.

If you are nit picky about this new tune or any new mod, you have two choices, wait some time to get a good data pool of results to ensure your investment or you can stop being a couch tuner and become a early adapter and spend some of your own time and money to push development along. Either way is fine, but let's not just sit back expecting everyone to do the leg work for us and then get impatient that results aren't populating fast enough and assuming so the tune must be ***** because of this.
Well said. I'm not sure most people understand the time/effort/$$ involved in developing tuning software for a new platform. It takes a customer base who are willing to support the tuners and help push the platform. Pushing forward into this new frontier is not a place for cry babies or armchair tuners.
For those of you determined to get the most power out of your car ecu tuning is the start. From there more power adding products will be developed if there is good software support; which will be a win for everyone!
Old 03-15-16, 01:07 PM
  #202  
JFonz
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Originally Posted by kareemRCF
you might be right but maybe the toyota ECU is too smart and it corrects itself back to stock
That is incorrect. Once the ecu has been reprogrammed with a tuned file it cannot revert itself back to stock. In a similar fashion to how the factory programs the ecu, these tuners are reprogramming it with their "stock" file which is actually a tuned version of a stock file. The ecu still thinks it is stock even when it is tuned... no trickery, the ecu is simply running the program which it contains.
Old 03-15-16, 01:25 PM
  #203  
idoke1
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I have a dyno schedule for tomorrow morning. Let's hope my numbers are good. The only part the sucks is I DID NOT do a baseline dyno before the tune. Let's see how it goes tomorrow.
Old 03-15-16, 01:42 PM
  #204  
jat0223
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Originally Posted by kareemRCF
you might be right but maybe the toyota ECU is too smart and it corrects itself back to stock
It can't correct back to stock because "stock" is no longer there.
Old 03-15-16, 01:48 PM
  #205  
ISF4life
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Exactly, stock only about 350 whp, with the i/e/h we get 400 to 410 whp , and with tuned should be 15 to 25 whp more
Old 03-15-16, 02:02 PM
  #206  
msgs350
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Originally Posted by idoke1
I have a dyno schedule for tomorrow morning. Let's hope my numbers are good. The only part the sucks is I DID NOT do a baseline dyno before the tune. Let's see how it goes tomorrow.
Is your car stock? Would baseline on a stock car matter? It looks to be that stock Fs are around 360hp...right?
Old 03-15-16, 02:31 PM
  #207  
ISFPOWER
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there are many here who already have before dynos. lets just wait for the after dynos.
Old 03-15-16, 02:34 PM
  #208  
MileHIFcar
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Yep my stock dyno showed 357 Whp.......... but then again when I dynoed my car last week it put out the same 357 Whp with the Borla
Old 03-15-16, 02:35 PM
  #209  
ISF4life
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Ahhaaahhah, that is strange lolz
Old 03-15-16, 02:45 PM
  #210  
Justin727
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Originally Posted by ISFPOWER
there are many here who already have before dynos. lets just wait for the after dynos.
Ditto!

I performed a before Dyno on my car (sig) and was about to purchase a tune but something came up with my GX that needed attention $$$


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