JTD-Performance: het adres voor Performance upgrades aan JTD motoren. Ook bieden wij softwaretuning aan om de werking van de performance onderdelen te versterken en het maximale motorpotentieel te benutten.
Wij bieden performance parts aan voor veel verschillende motortypes. Alles van de 1.3 MultiJet tot bijvoorbeeld de 2.4 JTD, daarnaast bieden wij ook dieverse tuningdelen aan voor TBi en MultiAir motoren.
Bij wat meer gecompliceerde delen leveren wij handleidingen, u kunt er voor kiezen om deze op papier te ontvangen, of om ze digitaal te ontvangen via een door ons speciaal ontworpen platform.
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JTD-Performance
Engine performance parts for JTD and TBi engines
Recap of 2025: We can call it the year of the oil pressure mods for Giulia & Stelvio 2.2 JTDm!![]()
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First of all, in cooperation with Squadra Tuning we were the first to have the oil pressure live data visible on the central screen for MY16-17-18-19 cars, using the Performance Logger. With reference values set, we got people to check and compare oil pressures and taking actions, rather than relying on low pressure warnings alone, which led to less engine failures. ![]()
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We have fixed more than a few Giulias and Stelvios with this problem ourselves, and engineered new parts to increase reliability. ![]()
Also we worked together with YouTuber MechaNick to show the full procedure of the oil pressure recovery job for everybody to watch for free.![]()
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Because, with more and more owners and mechanics being aware of this potential issue, we should be able to keep these cars on the road more and enjoy the positive aspects of the 2.2 JTDm engine.![]()
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In terms of sales, 2025 was again highest, a growing trend which was kickstarted in the Corona period and is still continuing. The market need for Alfa Romeo parts, whether being performance, reliability or security/anti-theft parts still seems to be strong and we are happy to meet it and to continue developing new parts that can make our Alfas better and more fun to drive!![]()
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Thanks to all customers and followers and let’s achieve new milestones in 2026!
Helping out Ruud Middel Rally Team with the Abarth Punto JTD 8v. Fitted with serious powertrain hardware, such as a Sadev sequential gearbox, GTB2056 turbo and more, still performance and reliability were lower than expected. ![]()
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After checking the tune, it seemed there was a lot to be improved. Also the initial datalogs showed inconsistent boost pressure, so we did a new tune (without touching any of the hardware) and tested again. Now the Punto is pulling hard until the redline of 4500 rpm, and with the short ratio Sadev it just keeps on going without power dropoff. It seemed this was a last puzzle piece missing from a potentially quick rally car. ![]()
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Let’s wait and see how testing goes, next month at the circuit of Zolder, Belgium!
Lately a lot of oil pressure related posts here, so let's talk about something that we're really passionate about! Which is increasing the performance of the Giulia-Stelvio 2.2 JTDm engine. ![]()
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A new post with the 2025 mods is in preparation, so let's start off with this dyno test we did a couple weeks back.![]()
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After the lastest mods we logged 345 hp / 680 Nm with the Performance Logger, so we wanted to check what we'd get on the dyno. (Thanks to Tuning-shop.com) ![]()
During the dyno runs we always have the datalogger connected so we can check if the engine performs the same as in road testing. The short answer is, it doesn't! Lack of airflow had us triggering AFR and EGT limiters during dyno pulls that lowered the output especially above 3500 rpm. See also the comparing graphs of the injection quantity of road vs dyno tests.![]()
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The result at the dyno was a (still respectable) 335 hp and almost 700 Nm of torque, and with the reduced IQ on top, we believe that 345 hp is a very realistic number.![]()
As that power may not seem super high for a modern 2.2 diesel engine, it should be noted that this came without smoke, and with a decent powerband. 600+ Nm in 2100-3800 rpm we proudly call "Torque City"! ![]()
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More to come, as we're not finished with this engine...![]()
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/edit: below a short setup list![]()
- Turbo Ghibli 3.0 2263 + custom manifold![]()
- TorqAmp elec supercharger![]()
- 1.9 Mjet intake cam![]()
- CP4.1 upgraded hpfp by Tecnodiesel Snc![]()
- Water methanol stage 2 Snow Performance Europe![]()
- Giulia Quad side radiator for charge cooler![]()
- Full exhaust 3 inch with 120mm 200cell cat
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