my 70 cutlass has the original 350 2bbl. in it with 82,000 on it. i want to put a 4 bbl and intake on it with an hei distributor. my main question is which intake and size of carb? the motor is unmolested has a new timing chain and water pump this yr., factory heads and cam, i do not want to get into the block cause the oil is like you pulled it of the parts store shelf and does not smoke at all. the car will be used for cruisin and shows, i'm not interested in high performance right now i just want it to be more responsive and have a little more grunt. i had thought about pulling the edelbrock 600cfm off of my monte carlo for its ease of tuning and trouble free use and putting a holley street avenger on the monte. will the 600 be to much for a 350 2bbl cam and heads? thanks for any help