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Search: Posts Made By: jajk
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Feb 14, 2019, 12:59 AM
Replies: 294
Views: 31,228
Posted By jajk

Hi Wanchai, I have never run a 5MT ROM on a car...

Hi Wanchai, I have never run a 5MT ROM on a car that was originally a CVT but I have run a modified CVT ROM on a 5MT without problem.
There are a lot of maps and functions that are different between...
Jan 30, 2019, 10:32 PM
Replies: 294
Views: 31,228
Posted By jajk

iGThomas, Exactly.......:lol: There are 2...

iGThomas, Exactly.......:lol:
There are 2 variations to stock tunes: 1 for 95 RON euro fuel and 1 for 91 RON fuel. It is normal that you would use your own stock ROM as the base of your tuning and...
Jan 29, 2019, 10:22 PM
Replies: 294
Views: 31,228
Posted By jajk

iGThomas, Google is both your friend and your...

iGThomas, Google is both your friend and your enemy - how do you determine if information is legit or just someone blowing smoke out his a$$? It all starts by reading up on tuning modern DOHC / VVT...
Jan 29, 2019, 01:36 PM
Replies: 294
Views: 31,228
Posted By jajk

Hi IGThomas, Tuning cam timing is done using...

Hi IGThomas,

Tuning cam timing is done using many techniques and drawing on past experience and knowledge......initially it is an understanding of how cam timings affect performance that guides...
Jan 15, 2019, 03:42 PM
Replies: 294
Views: 31,228
Posted By jajk

Sit, tuners prefer whatever they are familiar...

Sit, tuners prefer whatever they are familiar with or have a definition for.
I know these ROMs quite well and can say that the earlier ROMs all the way to the most recent (2017), share the same...
Jan 11, 2019, 12:03 AM
Replies: 294
Views: 31,228
Posted By jajk

Sit, I think you should try it and report back...

Sit, I think you should try it and report back how good or crap it is.
Personally, I think it needs more fuel and bigger steps in the mivec maps......why not go from 0 straight to 40 and cut out the...
Dec 30, 2018, 08:58 PM
Replies: 294
Views: 31,228
Posted By jajk

woomc, you can change anything you want, if you...

woomc, you can change anything you want, if you get it wrong, it will only burn all your valves. In other words, you must know what you are doing and the ramifications of getting it wrong. Always...
Dec 16, 2018, 01:46 PM
Replies: 294
Views: 31,228
Posted By jajk

lancermeganewb, Don't go flashing a Subaru...

lancermeganewb, Don't go flashing a Subaru ROM.....car will slow down and cost twice as much to service.
So many differences in 5MT compared to CVT.....like throttle hang map values:D
It pays to...
Nov 24, 2018, 10:37 PM
Replies: 294
Views: 31,228
Posted By jajk

Torque Limiting

O.K time for another "You heard it here first" long before the evo guys get their sh%t together (if that is ever possible)

Look at the pics and read what I say and then you will be as smart as...
Nov 19, 2018, 01:47 PM
Replies: 294
Views: 31,228
Posted By jajk

Hi stroopwafel, 1. Yes it is that simple.......

Hi stroopwafel,
1. Yes it is that simple.... The cheap Chinese Tactrix are fakes that are stuck at an earlier version of firmware and software. They cannot be upgraded. They work for simple reading...
Oct 19, 2018, 02:24 PM
Replies: 294
Views: 31,228
Posted By jajk

Gentlme, your ecu and ROM is probably a 4B10/11...

Gentlme, your ecu and ROM is probably a 4B10/11 version. You would need to bench flash your ecu to run a 4B12 ROM.
Oct 17, 2018, 11:47 PM
Replies: 294
Views: 31,228
Posted By jajk

Hi BlackPack, Launch control for 4B11 CVT is...

Hi BlackPack,
Launch control for 4B11 CVT is functional in some stock ROMs - I do not know which ones. Maybe someone lurking can tell you which one has a working launch control with the correct...
Oct 11, 2018, 03:59 AM
Replies: 47
Views: 4,876
Posted By jajk

marioch, this will show you some of the main...

marioch, this will show you some of the main tuning maps, axis not guaranteed.
Oct 9, 2018, 10:24 PM
Replies: 47
Views: 4,876
Posted By jajk

marioch, and now you mention the turbo kit..... ...

marioch, and now you mention the turbo kit.....
Your "tuner" is not a real tuner, just another fake tuner wanting to take money off people and wreck their cars. How could he not know how to find the...
Sep 18, 2018, 03:57 PM
Replies: 294
Views: 31,228
Posted By jajk

Knock detection has a lot of false knock issues...

Knock detection has a lot of false knock issues for our engines. If you back off the ign timing by 2 degrees where there is persistent knock and it does not go away, it is very likely to be false...
Sep 14, 2018, 02:23 AM
Replies: 294
Views: 31,228
Posted By jajk

Hi Gentlme, Changing compression ratio does not...

Hi Gentlme,
Changing compression ratio does not change displacement but it will affect the ign advance you can run before serious knock problems
Bottom picture labelled 4-2-1 is 4B12 manifold. It...
Sep 8, 2018, 01:21 AM
Replies: 294
Views: 31,228
Posted By jajk

How To Install a Wideband O2 sensor

Positioning:
You have 3 choices:

Replace the rear O2 sensor with the wideband sensor
Replace the front O2 sensor with the wideband sensor
Create a new mounting location for the wideband...
Sep 6, 2018, 10:25 PM
Replies: 294
Views: 31,228
Posted By jajk

Measuring AFRs without a Wideband

Further to what I have already written on this topic, since I now have my wideband sensor up and running I can add a bit more to the original explanation.....
First, from Mr Bosch himself, this is...
Aug 30, 2018, 02:37 PM
Replies: 294
Views: 31,228
Posted By jajk

Ecuflash can flash 2015+ SH72531 ecu with...

Ecuflash can flash 2015+ SH72531 ecu with incorrect checksums and brick your ecu! If that is what you want to do - go ahead.
It is a defect in Ecuflash that lets it offer to correct the checksums...
Aug 14, 2018, 09:39 PM
Replies: 294
Views: 31,228
Posted By jajk

Except maybe for some weird models with only...

Except maybe for some weird models with only intake mivec:
All 4B12 camshafts are the same regardless of vehicle model i.e. Lancer, Outlander, Delica no difference.
All 4B12 sprockets are the same....
Aug 9, 2018, 06:47 PM
Replies: 294
Views: 31,228
Posted By jajk

Wideband O2 sensor cna replace the front O2...

Wideband O2 sensor cna replace the front O2 sensor if it has a narrowband output that can be wired in place of the original sensor output. The ROM will need rear O2 sensor and o2 sensor heater...
Aug 9, 2018, 04:01 PM
Replies: 294
Views: 31,228
Posted By jajk

Hi Gentlme, 1. OP2.0 and Laptop running...

Hi Gentlme,

1. OP2.0 and Laptop running ecuflash is all you need to tune and reflash the ROM. Ecuflash is not good for doing the map editing - poor resolutions and inaccurate axis values shown....
Aug 7, 2018, 02:22 AM
Replies: 294
Views: 31,228
Posted By jajk

Camshaft Comparison

I have redone the cam comparison chart with some more meaningful data.
Note: I have calculated duration and timings for Mitsi cams at 1mm lift based on loosing 16 degrees both opening and closing...
Aug 7, 2018, 01:46 AM
Replies: 294
Views: 31,228
Posted By jajk

Hi Gentlme Fans turning on and failures...

Hi Gentlme
Fans turning on and failures circulating on display are absolutely normal - do not worry.
Mivec hot and cold maps the same is also very common on most ROMs.
Warmup Fuel Compensation...
Aug 5, 2018, 02:19 AM
Replies: 294
Views: 31,228
Posted By jajk

Finding Maps

A question commonly asked...how the #$%* do you find maps in a ROM???
The answer is it is a multi-pronged attack - no single method will give you 100% success. Having a knowledge of what tuning maps...
Showing results 1 to 25 of 57
 


 
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