A904 late shifting into 3rd gear

So I've been driving my car around town trying to work out all the bugs since putting it back together. I have a Lokar kick down cable on it adjusted to there specs. What i don't understand is why the car wont shift into 3rd until 60 mph. Is this normal?

It's a 70 dart swinger with magnum 360, A904 from TCI, stock converter, and a 7.25 rear with i think 2;76 gears. once its in 3rd i cruise at 60 at 2000 rpm.

Any guidance as to what to adjust or fix is greatly appreciated.