Hi guys I've been told to look at the gt35r for spool and we'll get me neither 450 plus kilowatts what's a .84 housing I was looking at the 6466 precision ball bearing just wanting to know what sort of spool difference it would also be a .82 or 4 housing both be T4 flange wants Bull for the street but near 600 + rear wheel currently have a turbonetic 7268 t series journal front compressor is lazy full boost is about 33 3400 single scroll looking to go twin scroll ball bearing and a few millimetres smaller just to get better spool doing 425 kilowatts at the wheel at 22 psi the powers alright just want like everybody better spool what do you think thanks