Quote:
Originally Posted by Dude68
I am getting conflicting info researching casting number 3921968. It looks like an exchange motor that was put in this truck. In a 1968 C10. I have it pulled out, pistons removed. Looking for a head. If it was original motor it is 1968, but since it is not it could be a 230. Any suggestions.
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I looked on the Inliners forum:
www.inlinersinternational.org
#3921968 comes up as a 230/250 block for Chevy/Olds from '64 - '76
So it could be a 1968 250 L6.
Do you have the Dress code numbers stamped on the side tab aft of the Distributor hole?