Ok, you are now good to go.
On the carb, the only way to really determine which one you had is to determine the calibration code. In the menu above is a page at Documentation/Calibration Info & Part #'s. In there are pictures of a calibration label like the one that was originally on your engine, usually on the passenger's side valve cover. If you can find that we can determine exactly which carb it had.
If not, you can probably get close by going to the Application To Parts List tab on that page and finding the 1, 2, or 3 parts list #'s that might apply to your truck. With that I should be able to get the carb #.
Gary, AKA "Gary fellow":
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Dad's: '81 F150 Ranger XLT 4x4: Down for restomod: Full-roller "stroked 351M" w/Trick Flow heads & intake, EEC-V SEFI/E4OD/3.50 gears w/Kevlar clutches
Blue: 2015 F150 Platinum 4x4 SuperCrew wearing Blue Jeans & sporting a 3.5L EB & Max Tow
Big Blue: 1985 F250HD 4x4: 460/ZF5/3.55's, D60 w/Ox locker & 10.25 Sterling/Trutrac, Blue Top & Borgeson, & EEC-V MAF/SEFI