Radiator date codes
While finding the petcock and outlet difference above, I found the location of the radiator date codes. I figured they had a date code but never looked till now. The date code location is also different for 63 than what is on the 62 but not to far away from each other. It is located on the driver side tank and on the back (engine) side about half way down. The code runs from A to M with skipping the letter I. A would be January and B would be February and on to the end but skipping I. I looked at our 4 speed car and it was an F and the car was built in June so the date fits correct. It would obviously be possible to have a month earlier radiator in the car if the car was built early in the month.
These two radiators are date K and L.