166 2.4jtd with gtb2260vk and tribesman mapping :) - Alfa Romeo Forum
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  • 1 Post By alan Q4+33
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(Post Link) post #1 of 12 Old 08-07-16 Thread Starter
Status: 156 3.0 GTAm 1070kg 200kw
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166 2.4jtd with gtb2260vk and tribesman mapping :)

here is link to my thread https://www.alfaowner.com/Forum/motor...lack-fuel.html

100 to 200 from today

https://youtu.be/yllxCP-t690

to put it into perspective stock has 150bhp and around 27s 100 to 200. 3.0 beemer and 3.0 audi with 245bhp has 19s time
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So...you have moved you thread to the correct section?
You should be proud, you lasted almost 2 pages in "normal car" part of the forum
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(Post Link) post #3 of 12 Old 12-07-16 Thread Starter
Status: 156 3.0 GTAm 1070kg 200kw
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Haha well i never thought i would tune my daily jtd

0 to 100 kph isnt bad: https://youtu.be/jjC5ck4Ca3Q

revs! https://youtu.be/NDkRem9hV0k
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(Post Link) post #4 of 12 Old 13-07-16 Thread Starter
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Yup, I knew it, this is going to be a project too
There is nothing like 550+Nm to pull that trailer of yours
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(Post Link) post #6 of 12 Old 26-07-16 Thread Starter
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Love the scenery of the 2nd image
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Good result Alan!

Do you know much information about your tune? Maximum boost pressure reached, fuel injection quantity for example? Did you have to carry out any supporting modifications to get the 10v engine to these levels, bigger fuel pump or injectors?
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(Post Link) post #9 of 12 Old 26-07-16 Thread Starter
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I think tribesman will have all the answers
For now only thing changed is the turbo and custom downpipe.
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Fuel quantity is really not that high. Less than 80mm3 max.
Problem is we had to keep torque quite low, fuel quantity could be quite a bit more otherwise.
Main drawback is flywheel and clutch.

But since the engine revs up to over 5000rpm, and the GTB2260 makes quite a bit less bacpressure than stock turbo, the power output is still quite high.
Also Alan had an idea to make a top end happy diesel...

Boost is only 1.6bar from 2500-5200rpm, until intercooler gets upgraded.

Fuel pump is stock for now, same goes for injectors.
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Thankyou, so you haven't needed to upgrade MAP or fuel pressure sensor yet.

The 166 uses the same EDC15 ecu that the 156 2.4 JTD uses too right?
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MAP sensor was upgraded to 3.5bar unit, and fuel pressure sensor is still stock.
That will be upgraded later when intercooler comes, and we will have to increase fuel pressure a bit more to keep injection times "efficient".

ECU is the same on all 10V engines.
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