Help 67 Barracuda drag racing setup help

On the launch, travel is good.
The shop manual front suspension chapter is pretty good. Start with that so you see what the foundation is.
T-bars in the FSM are set by the hieght difference between the bottom of the lower ball joint and the bottom of the control arm t-bar socket.

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In Bulletin 15, p. 13 starts the drag race front suspension info.
There is some ambiguity in what the 1" mentioned on that page is in reference to - I would say the chassis, not the Chrysler 'ride height'. The point is to set the alignment at the hieght the chassis will rise to on the track.