Thread: What do these numbers mean????????
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Old 08-28-2014, 08:36 PM
Racer_X Racer_X is offline
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It's probably 1F101704
The 1 is 1991, F is Dearborn plant, 101704 is the consecutive unit number matching the VIN of the car it came from.
You'll probably find a F1SE-6015-AA also stamped above the starter area, on the right side bellhousing ear of the block will be the exact date code the block was cast. I looked at one today that was 0K20, which translates to 1990 October 20 casting production.
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