i have a 1G SMIC. if i set my boost controller to 0, i see 4 psi at the man1fold with a 5 psi spring.
2016 WRX STi Limited (current)2001 A4 1.8tqms (donated)1991 GVR4 #1933 (sold)old.dsmregistry.com/detail.php?carid=218 (dismantled)