1985 720 Weber carb idiling rough

[Blakely]

So my Weber carb is driving me nuts, I have played with it, adjusted it, yet it still sounds rough. After adjusting it and when it has warmed up it sounds better but still seems to not fully function like it should. I need some definite guidance on here as far as where I should start etc... 

Do I need to do a compression check first. I replaced the PCV valve, i smell a little gas so would that make it to rich. Appreciate any and all guidance.

[Crashtd420]

Are you talking only during idle?

Have you checked or adjusted your timing? 

Also what rpm do you idle at?

 

How does it run while driving?

[datzenmike]

http://www.carburetion.com/Weber/adjust.htm

 

and

 

http://www.redlineweber.com/html/Tech/34_ICT_tunning.htm

 

 

 

Between the two of these you should be able to figure out if it's the carb or what the carb is on that's causing the problem

[Blakely]

Appreciate all of the advice. I finally solved my issue, on the Weber card where the air screw is it wouldn’t stay in the factory position, so I changed the small gasket around it and it stayed in position. Changed the spark plugs, checked the distributor and hot dog it’s running like a champ.