1979-1993 & 94 Conv [Subscribe to Daily Digest] |
Wastegate default position is closed. At a predetermmined boost pressure the gate opens to allow excessive boost to escape. The APC system lives to sense knock and open the wastegate to decrease pressures. That helps eliminates knock.
No Site Registration is Required to Post - Site Membership is optional (Member Features List), but helps to keep the site online
for all Saabers. If the site helps you, please consider helping the site by becoming a member.
![]() |
![]() |
![]() |
![]() |
![]() |