Calibra Turbo

[rob@vems.co.uk]

Actually...

What I've written is the case for simple COPs which dont have igniter transistors built in (smart coils).
If you have smart coils then you are probably better off using the stepper driver outputs Stepper A & B (EC18pin4 and pin10) and C & D (EC18pin5 and pin 11) will be the ones to connected: A to cylinder 1, B cylinder 4, C to cylinder 2, & D to cylinder 3

[Tcal]

Hmm ,this gets now confusing...

They are same COP´s as in  VEMS shop (06B905115L)
http://shop.vems.hu/catalog/product_info.php?cPath=1_7&products_id=112&osCsid=0229e25d42547d70ef273dab26b7e762

What does i need to modify if i take the easiest way?
Change wirings of those COP´s? Nothing else?
What advantage does it have when running them through stepper driver outputs?
And how i tell to vems to use COP´s through stepper, i didn´t find that EC18 on ignition menus, only EC36

Why there are small jumper wires between those IGBT holes?

[rob@vems.co.uk]

First we need to work out what COPs you have...  What car are they from originally? Do you have part numbers or schematics for them?  How many pins do they have?

Rob

[BenFenner]

First we need to work out what COPs you have...

See:

They are same COP´s as in  VEMS shop (06B905115L)
http://shop.vems.hu/catalog/product_info.php?cPath=1_7&products_id=112&osCsid=0229e25d42547d70ef273dab26b7e762

[Tcal]

 
I did modify that message after Rob had sent his reply. I wasn´t 100% sure of those Cop´s so i had to go and check them...

[rob@vems.co.uk]

Use the steppers then:
Cylinder 1 S259 3 h[2] value = 0x36    EC18-pin4   
Cylinder 4 S259 4 h[2] value = 0x46   EC18-pin10
Cylinder 2 S259 5 h[2] value = 0x56   EC18-pin5
Cylinder 3 S259 6 h[2] value = 0x66   EC18-pin11

You use Settings->Ignition Settings and set Dual Output Mode (see manual) tp Enabled.  This then enables the menu item: Settings->Ignition Outputs Dual where you set 3 and 1 to: (Step A,B EC18 pin 4, 10) and
2 and 0 to (Step C,D EC18 pin 5, 11)[/tt]

So if you download the config and tables h[2] will look like:
h[2] = 66 46 66 46 00 00 00 00

[Tcal]

Sounds simple...

At 1.0.53 there isn´t even a choice for that EC18 in ignition outputs..
I looked at 1.0.73 and there it is. Hmm makes sense now.

One question more, as i have now h[2]=05 04 05 04 01 03 01 03[/b,] i don´t have to use those last four , i ll just leave them blank?

Or does i have to make my h2 look like h[2] = 66 46 66 46 10 30 10 30 ?

[rob@vems.co.uk]

I dont know why, but they've always said that its "good practice" to set the h[2] with the same pattern in the blanks so
h[2] = 66 46 66 46 66 46 66 46

[Tcal]

Did that wiring change and all seems to be ok...

Is there anything else to check after update??
I did use that generate-config without defaults.
Car started great and runs ok now with 1.0.73 firmware!!
And i did leave those last four values to 00 in h2 table.

Thank´s a lot of your support on this Rob.!!

[rob@vems.co.uk]

What to check?

Well make sure that you scope the advance across the RPM range, do lots of datalogs and make sure that things are working as they should, and most of all have fun with it!

[Tcal]

Hmm, probably best improvement so far i´ve noticed is that EGoC stays on when releasing throttle to idle.
No problems so far with new firmware.

I did prepare new 16X14 maps, i´m thinking that i could improve that idle area more...

[rob@vems.co.uk]

One trick I was shown by Gary of Automotive Performance Tuning, was to set a cell 200rpm either side of your idle.
So if you plan to idle at 950rpm set the first cells of the map as:
750 950 1150

You'll find that this can really smooth out your idle.

Rob

[Tcal]

I did some injector rampup testing today, and i did find that if i double it, it smoothens a lot of that jumping on small TP..
Injectors are about 500cc´s and and PW is near 1.1 when this jumping happens..
Normal warm idle PW is 1.3-1.4, and i´m pretty happy with my idle.

So if i like double that Rampup, should i just set Reqfuel or is it better to run new maps or just scale my recent ones?

Reqfuel 4.4
Ve values are 65-200

[rob@vems.co.uk]

At 1.1ms you're probably not getting a consistent injector opening, chances are that you're down that low to get lambda 1.0 that your engine is passing a lot of unburnt fuel out its exhaust.  When the car is warmed up and idling, take some white paper towel and hold it for a second over the exhaust - if there are spots of liquid on the towel the you're not burning the fuel.
First thing is to make sure that you are not injecting on an open valve, have a read of this thread: http://www.vems.co.uk/forum/index.php?topic=289.msg2977#msg2977
Double the Injector ramp-up and then try steps of 100 at a time you'll find that there is a 'sweet spot' that gives a good idle.
Next you could half your req_fuel and double your VE, this gives you twice the resolution with adjustments, but it will mean that you run out of fuel in the 200 region but it is possible to scale the map cells using the lambda table.

[Tcal]

I think that i didn´t describe this good enough...
Idle is ok, it happens usually when going downhill with small TP.
I tried to fix that with fuelcut but when that cut ends it does it too sharp.
It might get better with some tweaking on those Fuelcut thingys...



Fuelcut under 20
Overrun fuelcut 1900
Overrun fuelresume 1500
I´ve used those values , i don´t remember what is in in that log..

I don´t bother with this so much, it´s my girlfriend that says it´s not good