:blast: just my 2 cents dont let some so called performance shop that doesn't know buicks try to tell you that just because the carb. formula says you need a 600 cfm thats what you should use. this was before i found how much the buick's really like to breath. hind sight, what can you sayo No: p.s. i'm so glad i found this sight because i have learned more about my buick than i could ever have any where else ,these guys in this forum are a great bunch of people with invaluable info thanks for such a great site . i can't wait to check out the site when i get to work each night!