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I have ball bearing turbos right? :s

BlackBox

By BlackBox,
in Engines & Forced Induction

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BlackBox Rising Star

BlackBox

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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 are

HTA Forced Performance 3076

Garrett gt3071

Stock fg xr6 turbo

I 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?

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BlackBox Rising Star

BlackBox

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Posted

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...
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