The Stovebolt Site Forums The Parking Lot '60-'66 Trucks what year is my truck? everything seem screwed up

my title says it is a 64 model but my manual says it is a 65.

im confused and don't know what to believe i do have my Vin if anybody can tell me the year.

C254F101145.

the truck is a C20 long bed step 3/4 with a 283 4spd with 17' split rims.

i will post pictures when i can get a camera that works with my computer.