8.25 build

I plan to drive this to the track and some mostly local street driving. So I did a compare to my old tire size/gear ratio to new tire size/gear ratio with my 4 speed.
-------(2.94)----------...........--------(4.56)---------
235/60/14=25.1dia...........275/60/15=27.99dia
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110mph-4,329rpm...........110mph-6,000rpm
..80mph-3,148rpm..............80mph-4,375rpm
..70mph-2,755rpm..............70mph-3,828rpm
..60mph-2,361rpm..............60mph-3,281rpm
..50mph-1,968rpm..............50mph-2,734rpm
..40mph-1,574rpm..............40mph-2,187rpm
..35mph-1,377rpm..............35mph-1,900rpm
..25mph---984rpm...............25mph-1,367rpm