The E Flite motors have different RPM (KV) ratings.
When looking at the 46, 52, and 60 motors, that must be taken into account.
First, what is the expected overall weight, and what is the maximum propeller length?
Apropos of nothing my electric ARF version of the P-51 PTS has an approximate weight of 10-1/2 lbs and uses an E Flight 52.
with 12x8x3 prop. It flies quite well without being grossly overpowered. The manual listed weight was in the same general area as your plane.
Battery? I use a 6S5000mah Lipo.