Early 72 340, is this one of the de-tuned ones?

Most 72 340 4spds I had and I had more than one LOL came with 355's. 70 on back 323 and 391's. I had one 69 4spd with a 294. Tghat car was like and airplane. It never wound 4th gear tight it couldn't it didn't have enough power with a stock 340