The 71 up had valve seat inserts for unleaded gas. About 72 up had EGR system in the manifolds.About 68 they put the temp sender on the top of the head. Some of the 65-66 ,s might be 230,s. Thats about the only differences.
They say money can't buy happiness. It can buy old Chevy trucks though. Same thing. 1972 Chevy c10 Cheyenne Super In the Gallery Forum
