fyi
the turbocharger on the auto and manual GTST (of the same model) is identical
ie nissan did not make different turbocharger models for auto and manual
they did, however, use a different actuator spring on the auto turbocharger
this is because the AUTO gtst runs less boost than manual from factory
from paulr33.com
ECR33 manual is 385mmhg which is 7.4446 psi
ECR33 auto is 270mmhg which is 5.220 psi