[mwritter]

Originally Posted by War eagle

Thanks Matt. A good picture of a 9774454, which unfortunately is for the large Pontiac and not a Tempest. This pulley measures 7 5/8. Fairly common and on ALL p/s, a/c large cars. The correct 6 21/32 Tempest, part# 544840, is the one you need...

Thanks War eagle, looks like we've identified yet another issue as I appear to have a full-size pulley installed.