turbo kit

Have a dohc zc powered 90 crx tha i intend on turboing. I intend on buying a garret t3/t4 not sure what spec yet, a log manifold. Tial bov and waste gate, an ebay fmic and piping, 450 cc or bigger injectors and vitara pistons with custom rods. With a settup like this can i make 250-300 hp? Will...

I have and 89 crx with a D15b.. and im looking to see if you guys could even tell me if its possible to run my D15b turboed with the ac...? if so.. anyone know whatd modifications would have to be made to either the turbo kit or the car, if any? or if there is a kit specifically made that will...