What are the most likely Donor vehicles for the A 500 4 speed automatic?

727/518 1st 2nd 3rd o/d
3.23 7.91 4.68 3.23 2.23
3.55 8.70 5.15 3.55 2.45
3.91 8.58 5.67 3.91 2.70



A500 1st 2nd 3rd o/d
3.23 8.85 4.97 3.23 2.23
3.55 9.73 5.47 3.55 2.45
3.91 10.71 6.02 3.91 2.70

10.7 is to deep for a street car so 3.55 becomes a easy choice...