From: Paul@Houston.Texas   
      
   Snag wrote:   
   >    On a moderately built 305 with a Performer EPS intake manifold . This   
   > thing runs like a scalded cat , did everything I wanted - except idle .   
   > No matter what I did it would idle for a few seconds then just stumble   
   > and die . Turns out that the spacer under the carb was the problem . I   
   > had to use a spacer in order to have a vacuum port for the brake booster   
   > since this carb doesn't have a port on the back . Turns out that because   
   > the spacer is open without a center rib (and the manifold has one) it   
   > causes problems with the idle circuits . The solution turned out to be   
   > getting a spacer that has 4 holes instead of the open one . The new   
   > spacer didn't have a vacuum port ... but it had enough meat to drill and   
   > tap for one . And now the truck idles in gear without dying . I haven't   
   > driven it yet to see if it runs differently on the road , but I don't   
   > expect any significant change in performance .   
      
   Great bit of detective work!   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)