Injection nozel

[Herb70]

I am trying to setup an injection system on my classic 1968 Chevy Corvair but I am told that I need 40ml/m injection nozel's but the smallest I can find are 60's, can anyone help.
Herb

[Howerton Engineering]

What type if system, on/off or progressive?

40cc is very small....

[terry1]

Sweet bro, hope it gets all finished and sorted ;)