best carb for 340?

The same. The TQ is a good carb, Not very good race carbs, IMO, compared to a DP but excellent on the street.

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They are if you know what your doing ! A buddy of mine won't touch a holley. His dad got him into racing Mopars back in the late '70s, only ran TQ's. He has a small book of all his trial and errors with measurements and different mods w/ each end result. His Demon was a 10.0 car with a TQ, everyone thought he was full of **** until he opened the hood. One time he took a Dominator with him, swapped it out during test n tune and ran slower... now it sits on a shelf collecting dust ! I borrowed one of his TQ's for my '65 Coronet, I did not wanna give it back. It drove like a fuel injected car around town, very crisp. And hold on when you stomp it ... def was best of both worlds, was a very good carb !