chinese carb balancer fix

ive managed to buy the cheapest priced lowest quality chinese carb sync kit, it has four vacuum guages and they arent even remotely calibrated to each other, the easiest way to solve that problem is to only use one of them and this thing to select which carb you want to balance, that way the guage will never need to be calibrated to another, you will need to check the lambda though. so print 5 barbs if you dont happen to have screw in ones, youll need 5 of those, and one of each of the other i