Author Topic: Ignition Map  (Read 10932 times)

MLM

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Ignition Map
« on: May 19, 2013, 07:54:16 PM »
I have just finished my ITB conversion with a stand alone ecu and am looking for advice to help compile a basic ignition map to get me going. A full dyno tune will come but this is a "get me going" proposition.

Can anyone tell me what the ignition advance on a stock motor is at various load points? From this information I can build a picture of the values used so far and if they are either close enough or way out.

For example the level of detail im looking for:

2000 rpm
Full load = 20 degrees
half load = 35 degrees


3000 rpm
Full load = 30 degrees
half load = 35 degrees

5000 rpm
Full load = 25 degrees
half load = 30 degrees

6500 rpm
Full load = 35 degrees
half load = 40 degrees


The numbers above are just example and are not what i actually have but discribes what i hope some one could give advice on.

Once the dyno etc is done i will post back with actual values if anyone wants for interest sake.

Any help appreciated

Matt


Warsteiner

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Re: Ignition Map
« Reply #1 on: May 19, 2013, 08:23:30 PM »
Matt,
What standalone are you using?

~Ralph

MLM

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Re: Ignition Map
« Reply #2 on: May 20, 2013, 01:07:38 AM »
Hi Ralph,

Im using a link G4 storm. Its developed here in NZ and has lots of local support.

More info here http://www.linkecu.com/products/engine-management/Wire-In/g4wireinfolder/g4storm


Cheers
Matt

systemshock

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Re: Ignition Map
« Reply #3 on: May 23, 2013, 07:55:12 AM »
In my opinion it would be worth working the ignition map up from scratch without referring to the factory map as you're going to significantly change the cylinder charge by putting ITBs on the engine. I'm guessing you're working it out already but I'd just trust your tuning, or maybe install a knock sensor for good measure.

bme30

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Ignition Map
« Reply #4 on: May 23, 2013, 09:27:43 AM »
The factory idle map is fine for itbs.

You will need tuning for the high load, wot fuel and timing maps mainly.  Not much is needed for idle or low load over stock.

Ill take some pics of my maps and post them up for you.  So you will have good starting point

Im using tunerpro rt to tune.

bme30

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Ignition Map
« Reply #5 on: May 23, 2013, 06:17:03 PM »
Here are my maps.  Keep in mind that i still need to fine tune the wot and hight load ignition maps.  Hope they help













My afr are in the right ranges for my set up.  But these will give you a good starting point

Im running gsx-r itbs with the afm as tunerpro uses the stock sensors.
« Last Edit: May 23, 2013, 07:23:16 PM by bme30 »

MLM

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Re: Ignition Map
« Reply #6 on: May 23, 2013, 08:14:59 PM »
Awesome thanks bme30, I am at work currently so will digest this tonight and if possible post a picture of my own map for reference.

bme30

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Ignition Map
« Reply #7 on: May 24, 2013, 07:36:35 AM »
Sounds good!

Warsteiner

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Re: Ignition Map
« Reply #8 on: May 24, 2013, 08:31:36 AM »
As soon as I'm up and running I'll post mine as well.

Thanks bme30

Cheers,
~Ralph

bme30

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Ignition Map
« Reply #9 on: May 24, 2013, 09:12:05 AM »
Ill do the same after i do a fine tuning on a dyno.  It would be interesting to compare maps.

Make sure your fuel pumps are up to par.  My first 2 dyno passes i was tuning with a failing pump.  Ended up maxing out the cells at 255 and not getting close to 12s afr.  Got a TRE 255L/hr pump and that fixed my fuel pressure and afr issues. 


MLM

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Re: Ignition Map
« Reply #10 on: May 25, 2013, 12:20:09 AM »
I have created a ign map which seems to run ok. Car runs cleanly.



Allot of guess work in there from various sources but goes well. Will keep working on it and post back with the new map once dynoed in a mot=nth or two

PS: does not rev to 8k, just filled the table in till there
« Last Edit: May 25, 2013, 12:22:42 AM by MLM »

wazzu70

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Re: Ignition Map
« Reply #11 on: June 04, 2013, 11:07:12 PM »
Nice work guys. Ill hopefully be posting my ignition map shortly as well :)
-Nick
91 E30 M42 with VEMS