Re: xh/ed motor vs ef/el
Manifolds are a straightforward conversion, but you do need an EL ECU to operate the butterfly in the BBM.
I did this to my own XH.
4L I6, naturally aspirated producing 173.5rwkw.
14.410 @ 96.49mph with street radials.
What's that?..... Did I hear you say TQE power?