205 xud build

[205steve]

Hi all,
im new here so please be kind! lol

I have 205 (not 306 i know) which is stripped out and i was looking for a donor engine, ive found a 306 with a xud lump in it which i will be breaking for the engine and box ect.
It also has a 11mm transit bosch pump which the previous owner bough and never did anything with
Ive been reading through the forum and hope ive found the right answers, but i thought i would ask anyway.
The main questions i have are
1, can i use the 306 box by swapping the diff for a 205 one?
2, Do i need a 9mm bosch pump too, to be able to swap the 11mm head over and to be able to do the gov mod too (using the transit bits)
3, What turbos can be used with good results, i have a garrett gt17 or a gt25 (not 100% sure i need to check numbers) from a b205 saab engine (which i was going to fit to start with), im also going to gearbox mount which ever turbo is recommended to use

sorry for all the questions
im going to start a build thread once i start taking pics ect to back up what i post
thanks all

4,

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Here is a couple of pics or how it stands at the moment

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My plans are to find some non reclining bucket seats for it as it has impreza seats at the moment (which i dont like), im also going to find or make a roll cage too, there are mounts welded in but was sold by the previous owner.