Good deal. We wanted to cover all the bases with you, so as to know what to look for, and some wrong combinations do show up from time to time. If the existing damper is pulled, then you'll know what to look for; with a '70 340, there should be no obvious imbalance to the damper ring.
Yup, I don’t know. I will ask the guy who sold it to me. But, you wonder? Car accident, someone deciding they want an “upgrade”........ I know there are guys out there looking for their orphaned engines. Needle in a haystack.
