Posted by gmharris [71.105.47.144] on Monday, November 15, 2010 at 21:20:29 :
In Reply to: 318 motor acting weird posted by junior [64.136.27.225] on Sunday, November 14, 2010 at 19:29:14 :
Wear on the butterfly valve shaft bushings in the carb will cause a vacuum leak that acts like this.