Engine Date Stamp Question

['66U14]

Howdy y'all,

Got a question. My '66 halfcab has a non-66 engine (stamp says it's from a '68 Maverick or Falcon). We bought a '66 Bronco motor from a guy down in Leesburg. Threw in a bunch of OE '66 parts too! ;D

I'm trying to restore my '66 to factory condition. Could anyone tell that the engine I'm putting in is not the original motor that came with the truck?

Thanks!

 

[Scott C.]

The data tag by the distributor has codes for the cubic inches, year, month, engine code and change level. If you know how to read it. The 66 Bronco engine has several differences from the 68 car engines.

 

[BroncoJAK]

Pretty sure Ford didn't start stamping the blocks with VIN numbers till 68. Usually the last five digits.

 

[Bluebolt]

There is a casting date code, it should be just before the build date.

 

[Seventee]

Ford did stamp at least some blocks with the assembly date. I found it on one of my 400s at the front of the block on the machined surface next to the water pump on the passenger side. The link below shows the stamp on the pad in front of the driver's side head on a 289:

http://blog.virginiaclassicmustang.com/2011/12/just-details289-engine-date-codes.html