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Originally Posted by caddor38

Geez, now I know why Biden became president.

Insults and politics will not help you make your case.

Some of the guys helping you have 40+ years buying and selling Pontiac parts. You spent an hour on the internet to find bad information, and are using it to make your case.

Do you understand that there is a big difference between a 1970 455HO and a 1971 455HO. It’s about the same difference as the one between a RA3 and a RA4.

But your block as identified by the vin didn’t even come out of a car with a 1971 455HO as an option. So what are you hoping to accomplish, no one here is going to agree with your false premise.