TurboWarrior
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« on: December 04, 2015, 04:12:03 PM »
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Hi, I'm new to mapping.. I've just fixed a boosting issue with my golf and she's boosting again
I've got the current mods at the minute..
PD130 Turbo
PD130 Injectors (Yet to go in)
Oversized Intercooler
Decat exhaust system
I'm just wondering what files do I edit first? IQ? SOI? I'm trying to gather as much Info as I can but I can't find anything to do with Vagsuite on the wiki
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TheDSI
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« Reply #1 on: December 05, 2015, 02:26:48 AM »
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you will need at least a 3BAR map sensor if you plan to boost near 1.5BAR witch a pd130 turbo can easily do .
first adapt your injectors and then the turbo .
you can directly flash a 1d130 file if you go for the 3bar map sensor
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TurboWarrior
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« Reply #2 on: December 05, 2015, 02:58:22 AM »
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I've got 3 bar map sensor  |
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TurboWarrior
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« Reply #3 on: December 05, 2015, 04:15:13 AM »
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Boost correction by temperature, I've increased everything by adding an extra 50 to each value
I've also increased MBAR to 3000 rather than 2500
I just need some understanding of SOI is there any information I can read up on?
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error1997
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« Reply #4 on: December 07, 2015, 10:33:28 AM »
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SOI - Start of injection .
Measured in crankshaft degrees (BTDC in your case ) . Basically it is at what crankshaft degrees your injectors open .
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prj
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« Reply #5 on: December 07, 2015, 10:57:42 AM »
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If you have such questions it is probably not a good idea to tune your car.
Would be much better to start with a bone stock one where the hardware is in good order before taking on something like this.
Also IIRC PD115 had weaker internals. You have much less margin for error.
The ECU on PD115 is usually different. Different amount of SOI maps from PD130, and other things...
I've done this exact conversion before, but it really is not straightforward.
Diesel is fairly forgiving, but with the PD115 bottom end you WILL grenade the engine if you do stupid stuff. Whereas if you had a PD130 bottom end it would be quite difficult to blow it up with software.
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TurboWarrior
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« Reply #6 on: January 02, 2016, 03:06:35 PM »
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I'd like to increase SOI, But before tuning any of the files I'd like a basic understanding of how they work, I mean if you look at the Axis it kind of tells you in some what of a way on how it works. Maybe if someone has some useful information and can give me a basic understanding of SOI
Here's what I've gathered by just looking at the Axis
X: - Temps
Y: - Engine Speed
Z: - SOI Limt
Now looking at the Z axis I see the highest Figure is: 34.99, So would 34.99 be the maximum quantity of Injection or can we increase the a little?
X Axis: - Would that be based on intake temps?
Y Axis: - Well pretty straight forward really at this set rpm for example (2349RPM + Y + Z)
How's that for sort of a theory?
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gman86
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« Reply #7 on: January 02, 2016, 03:58:39 PM »
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I'd like to increase SOI, But before tuning any of the files I'd like a basic understanding of how they work, I mean if you look at the Axis it kind of tells you in some what of a way on how it works. Maybe if someone has some useful information and can give me a basic understanding of SOI
Here's what I've gathered by just looking at the Axis
X: - Temps
Y: - Engine Speed
Z: - SOI Limt
Now looking at the Z axis I see the highest Figure is: 34.99, So would 34.99 be the maximum quantity of Injection or can we increase the a little?
X Axis: - Would that be based on intake temps?
Y Axis: - Well pretty straight forward really at this set rpm for example (2349RPM + Y + Z)
How's that for sort of a theory?
SOI has nothing to do with IQ / Injection Quantity. It's how many crankshaft degrees BTDC the injector fires. It's the equivalent to petrol ignition timing. It essentially is ignition timing as fuel injection on a diesel is what kicks off ignition. By advancing SOI, you're giving the fuel more time to burn and reach peak pressure earlier thus gaining more power. SOI tends to have more of an effect on economy than power though. Over advance and you'll get knock just like a petrol. |
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TurboWarrior
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« Reply #8 on: January 02, 2016, 05:05:17 PM »
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Omg, I've just clicked on. Sorry yes you're right SOI hasn't got anything to do with IQ.. I think I was getting confused with 2 different map files one being SOI Limter and the other being SOI also the fact that it's not IQ it's degrees
Okay so I think I've got the Verdict, So let's say we're at 2500RPM and the crank is at 7.9 degrees then we would be injecting 10.00 MG/ST (This is the information on the chart)
Although maybe I need to read the Wiki to have an understanding on what MG/ST means
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turbojohan
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« Reply #9 on: January 03, 2016, 08:53:37 AM »
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easiest is flash in pd130 file.
Will work with no problem.
If you want to use pd115 file, copy duration maps (6), SOI maps (10), VNT map and requested boost map from pd130.
Also calibrate 3bar map sensor, search 200 2600 in pd 115 file and 200 3000 in pd130 file.
I always also recalibrate OBD protocol so you can read more as 2601 mbar through diagnostics with vagcom.
Than ad fuel and boost till you got power and smoke you want.
SOI is factor 0,023437 ofset -77
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prj
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« Reply #10 on: January 03, 2016, 09:30:14 AM »
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easiest is flash in pd130 file.
Will work with no problem.
If you want to use pd115 file, copy duration maps (6), SOI maps (10), VNT map and requested boost map from pd130.
Also calibrate 3bar map sensor, search 200 2600 in pd 115 file and 200 3000 in pd130 file.
I always also recalibrate OBD protocol so you can read more as 2601 mbar through diagnostics with vagcom.
Than ad fuel and boost till you got power and smoke you want.
SOI is factor 0,023437 ofset -77 Earlier PD115 ECU's do not have 10 SOI maps and so on. In fact they are not all cross flashable. |
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turbojohan
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« Reply #11 on: January 03, 2016, 12:02:23 PM »
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Yes that's true.
Old 6 screw ecu 019am won't flash.
If you have one of those i would change it for a whole pd130 ecu.
Lot easier if you want to try some stuff if it is flashable.
Oldest have 1 SOI map indeed, earliest PD130/pd150 also.
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TurboWarrior
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« Reply #12 on: January 03, 2016, 12:10:13 PM »
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Woah everyone is throwing information at me and I have no understanding of it.. I use Vagsuite rather than winols or any other tuning application so most map files are named..
I'm not looking to just throw a 130 map and bobs your uncle I'm looking to actually slowly tune, Maybe some books you guys could suggest to help me along the way because the s4wiki has nothing on edc15 ecu's infact most of it is on the ME platforms
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TurboWarrior
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« Reply #13 on: January 04, 2016, 10:34:29 AM »
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Okay so done a little reading on the map file itself, start of injection is based on the crank degrees correct? I would be purely used to advanced timing right?
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ddillenger
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« Reply #14 on: January 04, 2016, 12:21:11 PM »
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Please, ask all questions on the forums! Doing so will ensure the next person with the same issue gets the opportunity to learn from your experience!
Email/Google chat:
DDillenger84(at)gmail(dot)com
Email>PM
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