BlackBox Posted August 17, 2016 Share Posted August 17, 2016 Hey guys, I've just been hit with confusion over whether or not my turbos are ball or bush bearing.The 3 turbos in question areHTA Forced Performance 3076Garrett gt3071Stock fg xr6 turboI was just working on my xr6t and noticed when I spin it the wheel spins for AGES (it is installed on the car)Then I get my Gt3071 and it only spins for a few seconds, I also don't think it had an oil restrictor when it was onstalled so it looks like it is bush bearing, but then the plate on the turbo says 'Garrett 700177-5023' when I look this up it looks to be ball bearing..My new turbo is a Forced Performance 3076 and the plate on it says 'Garrett 700177-5022s' i thought this would definitely be a ball bearing turbo but it still doesn't spin near as long as the xr6 turbo..The 3071 and HTA3076 both aren't installed on the car so could this be a reason they are not spinning as freely as the xr6 turbo? Link to comment https://www.sau.com.au/forums/topic/466338-i-have-ball-bearing-turbos-right-s/ Share on other sites More sharing options...
GTSBoy Posted August 17, 2016 Share Posted August 17, 2016 Squirt some oil into the oil inlet or outlet of the off car turbos and try again. Link to comment https://www.sau.com.au/forums/topic/466338-i-have-ball-bearing-turbos-right-s/#findComment-7767360 Share on other sites More sharing options...
BlackBox Posted August 18, 2016 Author Share Posted August 18, 2016 After watching this video It would appear they are ball bearing, putting oil in helped a little but still didn't spin as long as my xr6t, maybe it is something to do with it being installed on the car and it was still hot... Link to comment https://www.sau.com.au/forums/topic/466338-i-have-ball-bearing-turbos-right-s/#findComment-7767544 Share on other sites More sharing options...
Lithium Posted August 18, 2016 Share Posted August 18, 2016 The bigger wheeled GT35 will probably have more momentum, too.... Link to comment https://www.sau.com.au/forums/topic/466338-i-have-ball-bearing-turbos-right-s/#findComment-7767855 Share on other sites More sharing options...
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