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Re: Chevy Six Cylinder Casting Numbers
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Originally Posted by shutto1972
Let me add something else to the mix please. I have a 69 c10 step side. the casting code on the block is 3981968 then GM and the number 50 under that. Trying to see if it's the 250CI as well. All original one owner truck (my father in law) so i know its the original engine.
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Not sure of the exact dates, but GM stopped using 230s in trucks around '67. [I can be corrected.] But by '69 trucks had either a 250 or a 292, if they had a CS or KS in their VIN.
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Every 25 years I like to rebuild that 292, whether it needs it or not.
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