This was on my data plate. Will you please decipher it for me? It is on a, what I think is a 66, but is titled as a 65. F10YL777677 129 J F100 581 G 17 05000 172 4000 63.

 

Heres the skinny...

F10= F series 1/2 ton 2WD truck
Y= 352 2bbl engine(D was the code for 1965 models)
L= Michigan Truck assy.
777677= Nov. 1965 build date, 1966 model year truck

129= wheelbase in inches...
J= Exterior paint color...Rangoon Red
F100 = model of truck, 5000# max GVW
581= 5: Interior trim code: Red Crush Vinyl & Red Wicker Pattern Vinyl
81= 81A = base model truck
G= Cruise-O-Matic transmission...
17= rear end gear ratio, 3.25 non locking
5000= trucks max GVW
172 4000= Engines cert. net H.P. at the specified RPM
63= DSO= Memphis, where the original selling dealer ordered the truck
from.


- cs65

another way to tell a 66 from a 65 truck...warranty plates on 1966 are 1" wide vs the 1 3/4" wide 1965 and prior tags.