22 or 26 inch radiator

The previous owner said that the previous owner said it was a 360 car. I didn't matter to me what was in it as I'm not a numbers matching or has to be correct kind of guy. It was a nice project, with good body that already had a lot of work done already and good deal so I bought it.
Looking at the vin the 5th character is a C.
I'm going to look into that.
Thanks