Areet!
45k?! And you're gonna ruin it with an engine conversion... Madness! Haha!
There's loads of info on conversions. Best signing up as a paid member so you get access to all the How To's and the Classified sections.
If you need Brembo brackets, i think the user "Zuid" has a new set, dunno if they are for the Alpha Brembos or the Coupe Brembos so worth double checking before you buy.
Get some photos up lad!