I have a turbonetics t3/t4 and it has side to side/in and out shaft play, I know the tolerances for radial play is .030, and axial is .002, it does spin freely and yea it does have a bit of movement and it spins freely, but as far as side to side it's within' tolerance, I was wondering if it was okay for me to install this turbo for temporary, for let's say 2-4 months or maybe even earlier so I can purchase a brand new one?

any help would be appreciated.

 

all used turbos has SLIGHT shaft plays it should be fine

 

As long as the compressor wheel fins dont touch/scrape the compressor housing and you have no in-out shaft play that turbo should be fine for indefinite use