Try to find some pics on the forum of one's running bike carbs,for my money I would be fairly close to the head to make the shortest straightest route for the fuel,ram pipe length plays a role in power at different ranges,factor in some manifold heating for the carbs or they may ice up.
Cost : Little as possible.
Thanks : To those who by their generosity my build has progressed.
Its a handmade sports car not a flaming kit car !!!
If at first you dont succeed,avoid skydiving...
No parachute require to freefall,only if you want to do it twice.