2.0L CivicX 2.0L Tuning - BIG Gains Confirmed For The Second Time

Honda 4life

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Got a question guys. The new version of ktuner software seems to let us 2.0l engine have full control of the vtec engage/disengagement. Now the question is @ what rpm is most optimal to set vtec to engage?
for real? We can set manually the vtec engage/disengagement?
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Reszulton

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for real? We can set manually the vtec engage/disengagement?
I need to connect it to my car to be sure. I tried it on the computer without connecting to my car with the last update and it seems I can play around with vtec.
 

Reszulton

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I hooked it up to my car and can confirm that we are able to adjust vtec engagement.
 

DuhCivic

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Tried reflashing to lower vtec to 4.5k today however the car wouldn't go past 5k rpm after flash and bogs at 5k. Currently reflashing back to basemap. Anyone else tried?
 

NiTr0oX

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Tried reflashing to lower vtec to 4.5k today however the car wouldn't go past 5k rpm after flash and bogs at 5k. Currently reflashing back to basemap. Anyone else tried?
I talked with chuenoona about that and he was able to lower vtec to 4,5k this is his response: I have it set to 4500 rpm and it works !! Finally full control of vtec… make sure you adjust the vtc high/low intake cam angles appropriately as well ….
 

long_meats

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I wish someone make a tutorial video on how to set a vtec.
Agreed, I wish I knew what "make sure you adjust the vtc high/low intake cam angles appropriately as well" meant. Would it be the same for all 2.0's? Or something we need to figure out that's unique to our cars?
 

NiTr0oX

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Agreed, I wish I knew what "make sure you adjust the vtc high/low intake cam angles appropriately as well" meant. Would it be the same for all 2.0's? Or something we need to figure out that's unique to our cars?
playing with the vtec is like any other tuning aspect of an engine the thing is figuring out what setting does what. The k20c2 isn't like the old k20 when it comes to tuning it makes it harder to find info because not a lot of people have played with it yet. It will be the same for all the 2.0 if you have exactly the same setup (ex. same tune let's say ktuner base tune, with stock car. ) What can affect the tuning process is if you have a different intake or dp for example.

For anyone trying to figure things out I would suggest changing the settings by little increment and logging the data, things to check are K.Cont - Knock Control Value, K.Count - Knock Count, you can also go visit this page to get more info on what to monitor: https://www.civicx.com/forum/threads/wich-gauge-parameters-are-you-using-in-tunerview.27323/
 

long_meats

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playing with the vtec is like any other tuning aspect of an engine the thing is figuring out what setting does what. The k20c2 isn't like the old k20 when it comes to tuning it makes it harder to find info because not a lot of people have played with it yet. It will be the same for all the 2.0 if you have exactly the same setup (ex. same tune let's say ktuner base tune, with stock car. ) What can affect the tuning process is if you have a different intake or dp for example.

For anyone trying to figure things out I would suggest changing the settings by little increment and logging the data, things to check are K.Cont - Knock Control Value, K.Count - Knock Count, you can also go visit this page to get more info on what to monitor: https://www.civicx.com/forum/threads/wich-gauge-parameters-are-you-using-in-tunerview.27323/
Thanks for your well-written response, I'll admit I have no idea what Knock Control Value and Knock Count are being that my only experience with tuning is simply just uploading the KTuner to my car with the throttle response set to 2, but will take a look at that thread.

I do have an AEM Intake and RV6 catted downpipe so it looks like trying to figure it out myself may be my only option though I'm a bit hesitant to mess around with stuff I have zero knowledge on yet. If I'm lucky hopefully someone more familiar with this stuff than I am who also has an AEM intake and RV6 catted downpipe will chime in.
 

NiTr0oX

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Thanks for your well-written response, I'll admit I have no idea what Knock Control Value and Knock Count are being that my only experience with tuning is simply just uploading the KTuner to my car with the throttle response set to 2, but will take a look at that thread.

I do have an AEM Intake and RV6 catted downpipe so it looks like trying to figure it out myself may be my only option though I'm a bit hesitant to mess around with stuff I have zero knowledge on yet. If I'm lucky hopefully someone more familiar with this stuff than I am who also has an AEM intake and RV6 catted downpipe will chime in.
I am planning to go see a tuner this summer if you can wait till then I'll gladly give you some advice.
 

WhosClunk

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Thanks for your well-written response, I'll admit I have no idea what Knock Control Value and Knock Count are being that my only experience with tuning is simply just uploading the KTuner to my car with the throttle response set to 2, but will take a look at that thread.

I do have an AEM Intake and RV6 catted downpipe so it looks like trying to figure it out myself may be my only option though I'm a bit hesitant to mess around with stuff I have zero knowledge on yet. If I'm lucky hopefully someone more familiar with this stuff than I am who also has an AEM intake and RV6 catted downpipe will chime in.

You could watch some videos on YouTube by “Tuning by Nick”. I got a street tune and my tuner just raised things by little increments everytime and we logged to see how the car responded. Getting afr’s right and trying to get stft and ltft close to 0 and trying to reduce knock ctrl etc.. After that we messed around with vtc cam angles (or timing I think or both I don’t remember lol) for intake/exhaust did some butt dyno’s and adjusted from there. I forgot exactly what we set the timing and cam angles too but one of the flashes I def felt a bump in power. Probably did this like 15 times just make little adjustments and keep datalogging. I’m gonna do some more studying later today looking at like the k20a3 that has similar specs. I heard that Ktuner didn’t allow us to change vtec before because of the cam angle or something, im not really sure exactly how that works or what they figured out but yeah.
 
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