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I have no experience with a tq, but I cant complain about my 6pack, it just runs good. I have used a performer rpm airgap with a carter avs- I wasn't too impressed, then I went to the sixpack on a Weiand/mopar crossram- it ran a hell of a lot better, but didn't really pull below 3k. Then I swapped to a factory sixpack manifold, low end came back strong, but it did lose a bit up top.

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Why the crossram did that is because of the passages. They were tuned for 2.5k to about 6.5k.
The factory manifold is tuned for off-idle to 5.5k. Big difference!! The crossram needed gears
around 3.90 and up. The factory manifold would be comfortable with gears from 3.55 to 4.10
before rejetting for bigger gears.