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Old 10-24-2006, 09:09 PM   #1
ACS081783
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Join Date: Oct 2006
Location: Texarkana
Posts: 5
Casting code help

I just bought a 250 I6 out of an unknown year GMC pickup. I believe it to be a late 60s model. The code is F1023TTK. Does anyone know for sure what year the engine was made and all relavent info?
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