Here is previous string
https://www.fordbarn.com/forum/showt...lb+fuel+filter
If you do a search - tons more strings on this common subject.
Here is a good site about carbs
https://www.modela.org/index.html
If replacing the shutoff valve install a pencil filter in it, trash/rust/grit in the gas tank can quickly ruin a shut off valve since the trash will gouge the shutoff valve inner workings.
Carb shim washers - do not use plastic shim washers or use plastic washers under the jets, plastic does not seal well, use fiber washers.
Jets - if replacing use flow tested jets, Renner's Corner is a good source.