Edelbrock Carb

OK so here is the deal...
 
I purchased a 1980 camaro with a strong engine and beat to hell interior...
 
I have worked my butt off and now my camaro is looking much better...
 
but now that i and done with the looks i am now looking to how well the car runs and it is very easy to tell that my carb is running some what rich...  and rather then just turn it down i was wondering if some one could tell me how to go about tuning it to function at peek performance...
 
( I have a 305 with a 4 barrel intake using Edelbrock carb w/ electric choke )

When is the car running rich? Idle, mid-range or full throttle? A good start would be to identify the carb. Make certain it is not too much carb for the engine. Many people think, "bigger carb=faster car". This is not always true, an engine will only handle a certain amount of fuel. If the carb seems to working properly and is sized to the engine (flow), you may need to make some jetting changes.

well I know that the carb runs rich when it is idling and as for mid to full throttle i don't know how to tell....
 
How do I go about finding out what model Edelbrock carb I have....   I was only told from the seller that it was a high performance carb....
 
I realize that its not the size of your carb that improves your speed.. but my question is will the tuning of it make a noticeable difference in its performance in terms of speed and MPG ?
 

Go here and read
http://www.edelbrock.com/automotive_new/misc/tech_center/install/carb_faq.shtml
Then click on owner’s manual. It will have all the info you need
To tell which carb you have, there is a number stamped on the front down by the left hold down bolt