my turbo got a play in the shaft, which is causing it to leak oil big time. im looking to buy a new one, now, i want one with the same 5 bolts pattern down pipe. i found an A/R. my question is, is it A/R like AIRresearch, if not, is it a good brand?
Also, for the EMS, i was thinking on going for the Greddy E-manage, however i dont know if that will fit the stock F23A from my honda? would i be able to tuned with my ECU?

 

A/R is not the brand, but is one of the many things used to define the size of the turbo and its internals. Check out the Marketplace for some quality turbos.

Another member on this board is running the E-manage on his F23, so yes, it will work.