View Single Post
Old 01-18-2014, 12:15 PM   #126
TommyDuncan
Registered User
 
Join Date: Feb 2013
Location: Boulder City NV
Posts: 214
Re: 1966 GMC 305 V6 Service

Quote:
Originally Posted by awbrown View Post
rufton , what port do you have the vacuum on now ?? From what you are telling us it looks like it is on the ported vacuum , it should be on manifold vacuum .. all the vehicles I have had got much better milage on manifold vacuum than ported...
Anyone else have an opinion on this?
The Holley PDF says to connect it to ported. I tried both but I made so many changes at once that I haven't figured it out yet.
TommyDuncan is offline   Reply With Quote