I would never of guessed it smokes
If you can find an early 1.6 carb, like a XR2 engine then that will be the same thing, but the later engines as i said changed over from hemi heads to leanburn, (all the 3i engines stayed hemi).
If you look on this site
www.pumaracing.co.uk/cvh.htm this shows you all the different casting numbers of the head so you should be able to pick a suitable engine out