Did the 340 really make 275hp?

Two basic sizes for the Thermoquad. 800 for small blocks and 850 for big blocks. The 71 Thermoquads might have made a tad more HP peak but where they were lacking was tunability. They were a beeotch to tune at part throttle/idle because they were air metered instead of fuel metered. That's why they were replaced under Chrysler TSBs back in the day with the 72 model.