Hi all, I have decided to revert my Sierra 24v estate back to 4WD and have purchased a suitable donor car ( XR4x4 )

First of all I hear the 4x4 sump will need modding to fit the bottom of the 24v, anyone had any experience of doing this?

Secondly I have a Granada 7.5 LSD fitted, can I keep this or will I have to fit the rear diff from the 4x4? As I I'm not sure whether having mismatched front and rear diffs will cause problems?

That's it for now, thanks for your help