500 cfm edelbrock carburetor...

Pull your plugs and check them out, I was having problems after about 300 miles then a freash set of these plugs did the trick :cheers:
been running fine for 7.000 mile in town driving :happy1:

If you have an old drool tube head remove the washer :-k
If this does clear it up, remember what TrailBeast said :happy1: