My first tune - Alfa 166 JTD 2.4 20v 185hp

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My first tune - Alfa 166 JTD 2.4 20v 185hp

Postby dabyd64 » Sat Jan 28, 2017 7:11 am

Hi all,
After a long time researching, I think I'm ready to test the tuned file.

Disabled EGR with switch (tried with hysteresis maps first, it worked well), swirl flaps full open.

For now, I just increased 70->80mm3, stock duration map, stock SOI, +8% Rail pressure, +100mbar boost extended up to 4000rpm.
Lots of IQ limiters removed or reduced, Driver wish and torque limiter adjusted in base of IQ/NM map.
So now it should give 80mm3 between 1750-4000rpm.
Lowered lambda AFR in 800-1500rpm and 450-700mg to improve low rpm torque.
Attached ols file.

Previous logs show that IQ was limiting, 60mm3 @4000rpm, from IQ/NM it shows about 370Nm - engine losses 50Nm=320NM= about real 185hp not taking in consideration transmission losses. So I guess it produces +50Nm torque in real world, so the power at wheels is 185hp?
Now I expect it to stay at 80mm3---> maybe 220-225hp?

Let me know your thoughts! :thumbup:
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Re: My first tune - Alfa 166 JTD 2.4 20v 185hp

Postby dabyd64 » Mon Jan 30, 2017 5:22 pm

New version, driver wish maos remade, +15% at 70%, +30% at 80-100%.
Rail increased to 1776bar.
Torque limiter 500Nm 2500-4500rpm
Added 100mm3 injector duration, all limiters set to 90mm3 for now.
Some modification in lambda maps.
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Re: My first tune - Alfa 166 JTD 2.4 20v 185hp

Postby dabyd64 » Mon Jan 30, 2017 7:03 pm

This last file doesn't work, did something wrong with the rail pressure limiter, the engine starts and stalls. Will update later ;)

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Re: My first tune - Alfa 166 JTD 2.4 20v 185hp

Postby dabyd64 » Mon Jan 30, 2017 10:23 pm

Working again! :D
By mistake I wrote 1790 instead 17900 on the rail limiter :D

This tune makes almost no smoke, barely noticeable on full load when the turbo spools.
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Re: My first tune - Alfa 166 JTD 2.4 20v 185hp

Postby dabyd64 » Tue Jan 31, 2017 1:42 am

Opps there was a mistake, since I exported the project and modified on other computer, now it's called "10004".
So I uploaded a totally wrong file. OOOK now its the good one :lol:
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Re: My first tune - Alfa 166 JTD 2.4 20v 185hp

Postby dabyd64 » Tue Jan 31, 2017 4:49 pm

So bad, lots of views and downloads, no single answer. I won't upload latest corrected files anymore , why should I? :? :(
Now it pushes like a train, I got wheel spin even in 3rd gear, with 18" 235 wheels Goodyear F1 Assy3 :mrgreen:
I'm fine tuning N75 for better response and lower some boost spikes :think:

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Re: My first tune - Alfa 166 JTD 2.4 20v 185hp

Postby dabyd64 » Sun Apr 30, 2017 4:09 pm

This tune is bad as hell, I found alot of mistakes.
However I won't update this due the totally lack of interest

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Re: My first tune - Alfa 166 JTD 2.4 20v 185hp

Postby Kreiser » Sun Apr 30, 2017 10:44 pm

dabyd64 wrote:This tune is bad as hell, I found alot of mistakes.
However I won't update this due the totally lack of interest

totally lack of interest? what do U mean?

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