What rpm stall converter should use?

Maybe he is just a flipper and has no idea about anything. Just talked a good game and u fell for it. R u gonna check the cam b4 u buy a converter? Kim
No, the trans is going to be replaced next week. I Saw on google a 3 year old picture of his wife at the drag strip with the car, it was his wife’s car, he had a C stock road Runner and had 6 Wally’s in the class. He told me he built the Duster for his wife to bracket race.