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Dec 14, 2011

Just the Details...More Mustang Date Codes

This early timing cover from a 289 Ford Engine is for an aluminum water pump.  Note the date coding.  The "65" is, of course, the year, and the 5 "dots" represent the months.  In this case, it is May.
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Last week, we took a look at some date code stampings and castings on a 289 Engine.  Today, we will take a quick look at some date coding that you may find on some 65-66 Mustang (and other Ford) cast aluminum parts.  This method is usually a year code along with a series of dots to represent the number of months.

This cast aluminum bellhousing from a 1965 Mustang has the same style date coding as the timing cover in the image above.
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Here is another example.  This time it is a cast aluminum thermostat housing from a 289.
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Here is a different "twist" on the date format showing "tick marks" rather than dots.
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2 comments:

  1. Bill CabanissDecember 14, 2011 at 9:25 PM

    The SHEFFIELD insignia is from the sheffield , alabama ford aluminum casting plant. I worked there from the mid 70's till the early 80's. On the bell housing, to the right of the sheffield is the #1. That should indicate that the part was made on the first shift, which was midnight till 8 a.m.. The timing cover had a#3 by it, which should indicate it was made on 3rd shift which was from 4p.m. till midnight.

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  2. Virginia Classic Mustang IncDecember 14, 2011 at 10:08 PM

    Bill,
    Thanks for the great information! ..and thanks for reading the Blog!

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