Hi All down under, i have a 351c KB 177s 10.5.1 comp cam 280 280 adv dur, dur @.050 230 230 530 lift 110.0 lobe, 2v dual plane manifold (2750) roller rockers (comp cams) aussis 2v heads, what carb would you use, it will be fitted in a cobra and used on the road, i am looking for 375fpt +, i have a holly 600vs, cheers Don