Getting Dad his <12.99

Does the Mopar Muscle article that was used as a reference for the engine build include any tuning info for the Six Pak set-up? A 6 bbl combo tends to be more difficult to tune than a single 4 bbl. There have been instances of experienced racers switching to a 4 bbl and going faster! That may have been the case when he originally got it off of the Challenger T/A.

I agree that it's a great combo but 4.56 may be a bit much for a 28.2" tall tire.
You can bump up the front tire pressure a bit for less rolling resistance while at the track.