1964-1974 [Subscribe to Daily Digest] |
BobD has it right, those passages are for heating the intake manifold for better cold weather drivability.
Race only engines usually block this off completely.
posted by 172.59.0...
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.