Well here lies the rub. Based on the production date and the oil filler tube location it’s an F145. I’m going strictly off of the numbers. Production date/oil filler tube are my main witnesses.
I’ve “quoted” a couple other opinions from another thread (from 2016) who may be able to give you a...
Went to the way back machine.
On your engine over next to the coil just to the left, look down and you should see a “pad” just below the push rod cover. The info on that pad should help you decode.