I have a 65 riviera and i believe the original carb. Although I haven't checked numbers yet according to teambuicks references its a carter afb? When i bought the car we bypassed the gas tank and ran directly to the carb from a gas can. This car was sitting for some 15 years started and moved across the yard to another garage, and then sat for another 5yrs. I don't know much about carbs but i do know its not moving freely. The doors on it don't move much and from what i remember they are supposed to open freely and when I was troubleshooting this spring i was told i should see gas shooting into the carb while looking down and i didn't?? Its a bit weird to me cause during this momumental snowstorm this winter i had the car running on its own power trying to move it outta 20" of snow into a garage. This spring I bypassed the tank again and ran from a gas can into a new fuel pump and filter (i didn''t have an electric pump direct to carb like previous owner) it wouldn't start on its own power. It did sputter for moments when pouring gas directly into it, but that was the extent of it starting. Now that I have time this summer i thought to just rebuild the carb. or have it rebuilt... I have been reading what I can gleam from a search and what i find mostly is to stay with the original instead of buying a new edelbrock? And lastly there is a shop in town that rebuilds carbs. They quoted me $225Is it difficult to do myself or a job better left to pros? I need to get it moving on its own power in and out of this garage.