Reply to "Engine numbers"

Ford "Engineering" numbers consist of 3 parts, you correctly decoded the first part.

The second part of the number is Ford's basic number for the type of part. For instance 6250 is a camshaft, an engine block is 6015, a cylinder head is 6090 and an intake manifold is 9425. This part of the number is normally left off of certain types of castings, since if you are holding the part in your hand, you know by looking what type of part it is. On the other hand, intake manifolds always have the full number cast into them.

The third part of the number is the revision level, in your example OL2.

The complete number for the block would be D0AE-6015-OL2


Ford also casts a "casting date code" into each part as well, representing the exact day the part was cast.

0 = 1970
L = November
5 = 5th day of November

the months skip the letter "I", so they breakdown as:

A = Jan
B = Feb
C = Mar
D = April
E = May
F = June
G = July
H = Aug
J = Sept
K = Oct
L = Nov
M = Dec

I have no idea why there is a second letter, the G.

cowboy from hell