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Search took 0.49 seconds. Search: Posts Made By: thambu19
Forum: Software Tuning 10-14-2016, 09:33 PM
Replies: 209
Views: 102,103
Posted By thambu19
No they do not. Those sort of things are not done...

No they do not. Those sort of things are not done using a tune. Such a method involves a change in the algorithm inside the ECU
Forum: Software Tuning 10-11-2016, 09:15 PM
Replies: 1,088
Views: 447,980
Posted By thambu19
Right if they were planning on using the second...

Right if they were planning on using the second surfaces for E85 in the future this makes sense. For now they will be identical or close because it is not flex fuel compatible at the moment but in...
Forum: Software Tuning 03-19-2016, 11:56 AM
Replies: 741
Views: 378,656
Posted By thambu19
steve99 Are you running a custom E85 tune?...

steve99
Are you running a custom E85 tune? Different cam timings?
Forum: Software Tuning 12-15-2015, 06:55 PM
Replies: 31
Views: 9,261
Posted By thambu19
With the time and effort you are putting into the...

With the time and effort you are putting into the community you need to start charging people :). Not kidding, I am serious. We understand that you are passionate but you have saved the A$$ of...
Forum: Software Tuning 12-15-2015, 06:49 PM
Replies: 1,088
Views: 447,980
Posted By thambu19
A buddy of mine bought the Tactrix clone and it...

A buddy of mine bought the Tactrix clone and it failed in the middle of a write and bricked his ECU. I had warned him not to do so and he did it despite that so I guess it serves him well... Tried to...
Forum: Software Tuning 12-14-2015, 08:20 PM
Replies: 270
Views: 74,936
Posted By thambu19
My car feels flat all the way to 2.2K rpm. I may...

My car feels flat all the way to 2.2K rpm. I may go back to OEM cam timings below 2K and follow it up with going 100%DI with some additional spark timing. Right not the IAM =1 all the time so I am...
Forum: Software Tuning 12-11-2015, 10:13 AM
Replies: 270
Views: 74,936
Posted By thambu19
Why 14.7 when stoich for e10 is 13.9? 14.7 is for...

Why 14.7 when stoich for e10 is 13.9? 14.7 is for e0 which isn't available anymore.

Sent from my HTC One_M8 using Tapatalk
Forum: Software Tuning 12-03-2015, 12:04 PM
Replies: 270
Views: 74,936
Posted By thambu19
Why do they not react appropriately when we...

Why do they not react appropriately when we change ratios. With more pfi the ecu should have added the right amount of pulse width I would assume

Sent from my HTC One_M8 using Tapatalk
Forum: Software Tuning 12-01-2015, 08:40 AM
Replies: 7
Views: 1,448
Posted By thambu19
Introduce yourself!

Hey Folks,
We have been chatting here for a while about PFI/DI, AVCS, Tunes, Mods etc. I would like to add a personal touch to it by saying hello and introducing ourselves. I know some of us will...
Forum: Software Tuning 11-30-2015, 06:52 AM
Replies: 274
Views: 110,150
Posted By thambu19
You could be running a bit lean on the 2200rpm...

You could be running a bit lean on the 2200rpm area. Id try to reduce a bit of overlap on both ends to see what happens. Drop intake from 40 to 36 and see what happens first... You are holding...
Forum: Software Tuning 11-30-2015, 06:41 AM
Replies: 274
Views: 110,150
Posted By thambu19
Sorry I did not read the last part right. I...

Sorry I did not read the last part right. I thought something else where the ECU is monitoring Exh and CAT temp using some modeling technique. If it is using O2 sensor current it should be close to...
Forum: Software Tuning 11-30-2015, 05:53 AM
Replies: 274
Views: 110,150
Posted By thambu19
That would be modeled cat temp. I was talking...

That would be modeled cat temp. I was talking about measured real temp. Once we start messing with stuff I am not sure if modeled temp holds true to measured.

Sent from my HTC One_M8 using...
Forum: Software Tuning 11-29-2015, 08:54 PM
Replies: 274
Views: 110,150
Posted By thambu19
It always holds true. If going richer the AFR...

It always holds true. If going richer the AFR should be richer than ~13.3 to really see benefits of knock resistance but operating slightly rich can improve combustion and you will feel a smoother...
Forum: Software Tuning 11-29-2015, 08:37 PM
Replies: 14
Views: 4,352
Posted By thambu19
I am with Wayno on using CATs all the time. I am...

I am with Wayno on using CATs all the time. I am a calibrator by profession and the pains we go through to make engines emission compliant isn't a simple one. When possible (except in racing) I...
Forum: Software Tuning 11-29-2015, 02:13 PM
Replies: 274
Views: 110,150
Posted By thambu19
As we move towards 12.5 though we can add more...

As we move towards 12.5 though we can add more spark. This is because in the initial phase of slight enrichment the combustion speeds up and get hotter but as we add more fuel and approach 12.5 we...
Forum: Software Tuning 11-29-2015, 01:33 PM
Replies: 274
Views: 110,150
Posted By thambu19
Contrary to popular belief engine knocks slightly...

Contrary to popular belief engine knocks slightly more with slight enrichment. This is because of slightly faster and hotter combustion. It's called water gas shift reaction

Sent from my HTC...
Forum: Software Tuning 11-29-2015, 11:38 AM
Replies: 274
Views: 110,150
Posted By thambu19
solidONE Yes the AFR for best torque changes...

solidONE
Yes the AFR for best torque changes with engine to engine design and with engine speed to another speed. From experience it goes from leaner than 12.5 at lower speeds to richer at peak...
Forum: Software Tuning 11-29-2015, 10:09 AM
Replies: 274
Views: 110,150
Posted By thambu19
Haha wife is okay. Puerto Rico is nice. Lovely. ...

Haha wife is okay. Puerto Rico is nice. Lovely.

Looking at your AFR spiking at below 2K rpm your header has a long scavenging length. Preferable for good low end torque.
Forum: Software Tuning 11-28-2015, 06:40 PM
Replies: 274
Views: 110,150
Posted By thambu19
With 2% o2 I. Exhaust the sensor will read 16....

With 2% o2 I. Exhaust the sensor will read 16. Oem s limit to 1%. So if you are seeing 16 then you really are running stock incylinder

Sent from my HTC One_M8 using Tapatalk
Forum: Software Tuning 11-28-2015, 05:11 PM
Replies: 274
Views: 110,150
Posted By thambu19
At peak power? Not really. At lower speeds yes...

At peak power? Not really. At lower speeds yes it's rich. There the target will be 12.5

Sent from my HTC One_M8 using Tapatalk
Forum: Software Tuning 11-28-2015, 09:08 AM
Replies: 13
Views: 3,738
Posted By thambu19
Got to say the oft guys are the best. I love...

Got to say the oft guys are the best. I love their business model. They will need to expand to more models for long term success but that means less time to give updated cams to us. So we need to...
Forum: Software Tuning 11-28-2015, 08:54 AM
Replies: 274
Views: 110,150
Posted By thambu19
Sorry if anyone feels most of my comments are...

Sorry if anyone feels most of my comments are vague without giving away any numbers as to what timing to run when. That is because unlike the PI DI ratio where we can cell specifically that we want...
Forum: Software Tuning 11-28-2015, 07:39 AM
Replies: 274
Views: 110,150
Posted By thambu19
Hey budd... I just brought my work laptop for my...

Hey budd... I just brought my work laptop for my vacation so no rom raider on this one. Generally for Turbo applications at the lowest engine speeds people use lots of intake advance (like 40 in our...
Forum: Software Tuning 11-27-2015, 09:26 PM
Replies: 274
Views: 110,150
Posted By thambu19
I just looked up that header online... Man looks...

I just looked up that header online... Man looks really slick... Perfect for scavenging.
You should reduce overlap where you start boosting and below that you should blend it into what ever surface...
Forum: Software Tuning 11-27-2015, 09:15 PM
Replies: 274
Views: 110,150
Posted By thambu19
So how much boost are you running? Like 10 PSI?...

So how much boost are you running? Like 10 PSI? First I have to throw in a nice disclaimer that I am still running stock and don't have an OFT (yet) so everything that I say in my posts is simply...
Forum: Software Tuning 11-27-2015, 06:49 PM
Replies: 13
Views: 3,738
Posted By thambu19
I wish everything was open source Sent from...

I wish everything was open source

Sent from my HTC One_M8 using Tapatalk
Forum: Software Tuning 11-27-2015, 07:09 AM
Replies: 270
Views: 74,936
Posted By thambu19
Be careful adding too much spark at engine speed...

Be careful adding too much spark at engine speed making peak torque. Up to 3800rpm should be okay. Some engines I have worked on goes straight to pre-ignition. Don't want thatone

Sent from my HTC...
Forum: Software Tuning 11-26-2015, 08:13 PM
Replies: 677
Views: 195,006
Posted By thambu19
I wish I could show this to my wife to convince...

I wish I could show this to my wife to convince her why I really need an oft. :)

Sent from my HTC One_M8 using Tapatalk
Forum: Software Tuning 11-26-2015, 06:34 PM
Replies: 270
Views: 74,936
Posted By thambu19
Hey I totally made those up in my head so you...

Hey I totally made those up in my head so you guys might want to make some tweaks here and there. Did you add some spark where we are running di now where it was pfi before. It is important to do...
Forum: Software Tuning 11-25-2015, 10:24 PM
Replies: 274
Views: 110,150
Posted By thambu19
If it was me I would start with the OFT Tune for...

If it was me I would start with the OFT Tune for Exh cam and subtract somewhere between 2-5 degrees (Earlier opening or less retard) from it. This is because with the SC you now have more air flow...
Showing results 1 to 30 of 61
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