Subject	I read a while back that journal bearings are better...
Posted by	ZXoltan on November 24, 2024 at 8:24 PM
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In Reply To	Interesting that they went with a journal bearing posted by Adam (NoVA) on November 24, 2024 at 07:10 PM
Message	with regard to absorbing vibrations (balance not as crucial) and dimensional tolerances (machining accuracy not as crucial). At least that's what I recall. So there are some advantages to journal bearings, especially if machining is not perfect. Ball bearings have less friction, so they can theoretically spool faster.
Follow Ups	VGX800: Anyone got ? - Mike@ZSpeed 13:06:28 11/23/24 Label on the wastegate actuator is a Garrett # 480009-10 - vorpalZed 13:16:49 11/23/24 Yup - Drk93TT 07:30:41 11/24/24 That they won't say who makes them is big red flag... - Ted (92TT) 18:57:33 11/23/24 The small (Z1 525) turbos dyno'd well, but... - ZXoltan 11:08:43 11/24/24 I have been running the Z1 525's for about 12 years - Denis 10:58:20 11/25/24 What psi? (n/m) - Mike@ZSpeed 13:01:59 11/26/24 Waste gate set at 20psi. (n/m) - Denis 11:31:26 11/27/24 Interesting that they went with a journal bearing - Adam (NoVA) 19:10:07 11/24/24 I read a while back that journal bearings are better... - ZXoltan 20:24:33 11/24/24 Technically, this is only half true. - Ghoztt (MD) 12:39:36 11/25/24 cheaper. (n/m) - vorpalZed 22:27:39 11/24/24 knowing Z1 sourcing style - This (n/m) - Aqualung 17:24:32 11/25/24
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