Newbie in need of Carb Help....

It will have a negative effect on your wallet every time you have to fill up!!

Sticking a four barrel and intake on a "all stock original 318" will not gain you much in performance. You will be able to hear the four barrels kick open and watch the gas gauge go down, but that's about it. To take full advantage you would need to change the cam out and also add dual exhaust.