difereces betewee

[maxpaine]

pierburg 2e3 whit 15 in it and a pierburg 2e3 whit 20 in it?

[snapper]

15? 20?

:?

are you talking jet sizes?

[maxpaine]

i dont knoe but i have my old pierburg whit a15 marked on it and my new pierburg has 20 marked on it whats is this and if is the jetter whats the better one?