92Suby

well the car is nice. i've finished all the body work on it. and i'm just tryingt o find a color to paint it. that motor runs good and etc. i can get it to 140mph but i just want it to get there faster. ( i went to a track i didn't do 140 on the road) i've read some where when u put a EJ22 block with ej25 heads it lowers the comp so it can be turboed.. all i'm asking is how much diffrent is the sti motors compare to the non turbo? i've seen a guy who has wrx sti headers and intercooler and turbo on his older legacy. so i've just wondeirng if that will work for me or if the motors are diffrent( i do know motor mounts aren't the same)

alright so i got a 92 legacy with a 96 front clip on it( lots of body work i had to do) well i got the car for free and have spent no money on it so far. i was told it has a ej22 block with a ej 25 heads and the heads are off a 99 outback i guess.. well i want to know what all i need to turbo my car or if they make a kit. or should i swap in something else for a motor. please help me out