3L to 2L feulpump

[YN65ER]

Good day guys.
Im new to this forum. I saw on the forum that a couple of people has fitted the 2L feulpump to the 3L engine. I would like to know if I can fit a 3L feulpump to a 2L engine and which injectors to use?
THANKS IN ADVANCE.

[NiftyNev]

Need more info on what the engines are.