[Mikec10]

Im pretty sure they make adpaters, check with http://www.summitracing.com/

Another thing, a 600 cfm carb is borderline too big on a stock 350.. putting it on a 305 is totally over carbing it lol.

Also is this what you were talking about?

http://www.holley.com/17-6.asp

here's a cheaper solution
http://www.carburetion.com/products/...px?part=TD2066