I have a gas smell when idleing no leaks that i could see, I was wondering what could be causing this. Im pretty sure that its coming from the exhaust. Could the carb be causing this it is a less than 2 year old edelbrock 1406 electric choke 600 iirc I think I also have some valve chatter sounds like a tinking like something is rattling around and hitting intermitently but constantly if that makes sense. Its not the normal chatter it sounds like it might only be one thing causing this. What should I do ti fix this? Im at a loss if it isnt the valves because I took the oil pan off and looked for anything that could be the culprit and didnt see anything. The engine is faily new with less that 2000 miles on it. Any help would be appreciated just want to get this fixed because its really bugging me and im afraid that it will cause more problems down the road.