1979-1993 & 94 Conv [Subscribe to Daily Digest] |
Sounds like the turbo bypass valve may be allowing of pressure escape. I had similar problem until upgrading to the Swedish Dynamics bypass valve. The stock valve will prob. only hold to about 14 or 15psi while the upgrade versions will hold out to over 20psi
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.
![]() |
![]() |
![]() |
![]() |
![]() |