View Single Post
Old 12-30-2018, 02:45 PM   #3
1968k20
Senior Member
 
1968k20's Avatar
 
Join Date: Dec 2009
Location: Chester,California
Posts: 5,618
Re: 1969 K10 / Quadrajet Question / Missing Screw Identification

Quote:
Originally Posted by 1968k20 View Post
This is what I see looking at your picture: I don't know what the screw hole is for. It seems like I have seen those before.

Is that an oil leak or fuel leak on the right side below the carburetor? IT could be leaking from the throttle shaft or could be leaking vacuum from your carb base gasket. Also, are the plugged vacuum lines really plugged? One of those should go to the distributor I am thinking. also maybe you are running too lean or the idle screw is not set properly, hence the running high
Fast idle usually indicates a vacuum leak
__________________
1977 Chevrolet K10 SWB Project 350/4spd/np205
1977 Chevrolet K20 LWB 350/350/203
1991 4Runner 22RE 5 SPD
Yanmar Tractor 3 Cyl Diesel
1968k20 is offline   Reply With Quote