Background: With the Shuenk IS48 super core delivered and after confirming I had all the new O-rings needed for installing the turbo, I began making the swap. Summary: Work began by removing the Lader LM440 IS20. Before installing the IS48, the wastegate actuator was calibrated. I then installed the turbocharger to verify that the oil […]
Shuenk IS48 Installation Read More »
Background: It’s been almost two years since I conducted a test with a prototype turbocharger that Shuenk had assembled, featuring a speed sensor to collect data on an IS38+ variant with a larger compressor wheel. Recently, Shuenk introduced an IS48 turbocharger with a compressor wheel based on the Audi S4 3.0 TFSI compressor, which increases
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Background: With the Lader LM440 IS20 turbocharger on the GTI, tuning is in progress. This post discusses the results logged using the second tune revision (third tune including base file). Performance Data: Intake air temperature during the data collection falls between the previous two sessions: The boost curve is increased: Wastegate duty cycle remains about
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