Changing Carbs, What jets?

also..does the 750 vs come with a secondary metering block or metering plate?

Quick Tech Fuel make a excellent adjustable vacuum secondary kit...you dont have to play with springs..

http://www.summitracing.com/parts/QFT-63-1/

wells its a 3310 dual inlet so i dont know... i hope so... if not i'll make it one... and i will be doing that for sure!