Alfa 156 JTD 8V 115HP

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Re: Alfa 156 JTD 8V 115HP

Postby sike_145 » Sat Nov 15, 2014 8:53 pm

mladenke wrote:How did you calculate conversion Nm to iq map, and iq to Nm conversion map. Did you use interpolation on this?

Hmm...why should I touch theese maps?

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Re: Alfa 156 JTD 8V 115HP

Postby mladenke » Sat Nov 15, 2014 9:42 pm

for abs, asr and vdc. Nm to iq map, i think, is used for throttle retardation and limits the engine torque.

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Re: Alfa 156 JTD 8V 115HP

Postby sike_145 » Sat Nov 15, 2014 9:55 pm

mladenke wrote:for abs, asr and vdc. Nm to iq map, i think, is used for throttle retardation and limits the engine torque.

I have only ABS :)

Here is my new version, just come back from test drive. So far it looks OK.
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Re: Alfa 156 JTD 8V 115HP

Postby Deman » Sat Nov 15, 2014 10:55 pm

You have raised a lot of guides to pressure 1550bar and 2501mbar, these values are outside the operating values of the sensors themselves, and protective functions will not work. It is necessary to RPL <1500 and boostL <2500.

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Re: Alfa 156 JTD 8V 115HP

Postby mladenke » Sat Nov 15, 2014 11:33 pm

1400-1450 is enough for 75-80mm3. You dont need that high railp. And boost of 2.45 max. Or change map, do linearization and you will have 2.5 or 2.6max max for that turbo. ;)

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Re: Alfa 156 JTD 8V 115HP

Postby sike_145 » Sun Nov 16, 2014 12:27 am

Max railP requested is 1450 and only value at 729CC is set to 1550. This can than be lowered to let say 1500 or 1490?
Other railP single values are all set to 1450...100 bar higher than stock. This should be OK? In my test drive log I can see max railP 1445.

SVBL...2501 should be ok I think...sensor can read this value; in logs I can see values of 2527 (probably spikes when shifting gears)

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Re: Alfa 156 JTD 8V 115HP

Postby Deman » Sun Nov 16, 2014 10:21 am

I did limit: Prail not in 1550 and 1490; Pboost not In 2501 and 2490.

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Re: Alfa 156 JTD 8V 115HP

Postby mladenke » Sun Nov 16, 2014 12:25 pm

Set n75 map properly, spikes can be dangerous. Open turbo vane more.

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Re: Alfa 156 JTD 8V 115HP

Postby mladenke » Sun Nov 16, 2014 12:39 pm

73mm3 at @2000rpm in TL. Your cluch can handle that at wot?

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Re: Alfa 156 JTD 8V 115HP

Postby panasonic1 » Sun Nov 16, 2014 2:38 pm

75.- map reduce values in low revs and get more traction and better economy.

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