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Posts tagged Bellhousing

How to Date Code your Bellhousing


All automatic C3, C4, C6 FMX as well as Ford Top loader 3 speed, 4 speed and peanut 3 speed manual transmission bellhousings are casted with a Ford factory casting number, followed by a date code.

To find the date code, you need to remove the bellhousing from the transmission.  The date code is located on the back side of the bellhousing.  Look for a small circle with a number in it.  For example 64, 65, 66 and so on.  A series of very small bumps appears around the number in a circle.  Each bump numerically represents one month of the year.  A 68 with 4 bumps is decoded April 1968.  11 bumps would be November 1968.

Decoding Tip:  Most cast aluminum engine and transmission parts, as well as brackets, are decoded in this same manner.