LM440 IS20 Second Tune Revision

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:

LM440 RRR v3 IAT
LM440 RRR v3 IAT

The boost curve is increased:

LM440 RRR v3 Boost
LM440 RRR v3 Boost

Wastegate duty cycle remains about the same:

LM440 RRR v3 WGDC
LM440 RRR v3 WGDC

Acceleration increases in sync with the boost pressure increase:

LM440 RRR v3 Accel
LM440 RRR v3 Accel

Next:

I recently received a Shuenk IS48 for testing and will pause the tuning with the LM440 IS20 to install the IS48.

Shuenk IS48 Super Core Turbocharger
Shuenk IS48 Super Core Turbocharger