TwinTurbo.NET: Nissan 300ZX forum - It’s the cold thickness of 20 that is too thick, not
Subject
It’s the cold thickness of 20 that is too thick, not
Posted by
not4resaleZ
on June 18, 2021 at 7:16 AM
This message has been viewed
229
times.
In Reply To
Seems like the best wear is attributed to a 20w-50 weight
posted by Stanky (BC)
on June 17, 2021 at 08:46 PM
Message
The hot thickness of 50 that is too thick. 20 is unnecessary thick at starting. When it thins out to the 50 as it gets hot it’s fine.
Follow Ups
How long have your bearings lasted with High HP?
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Z Force1
19:42:20 06/17/21
Seems like the best wear is attributed to a 20w-50 weight
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Stanky (BC)
20:46:09 06/17/21
Re: Seems like the best wear is attributed to a 20w-50 weight
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Z Force1
20:52:01 06/17/21
Do you know of any good fully synthetic 20w50 brands? (n/m)
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Z Force1
20:53:20 06/17/21
They all use RP HPS. I’ve been rocking it for 3 years now (n/m)
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Stanky (BC)
21:07:15 06/17/21
Re: They all use RP HPS. I’ve been rocking it for 3 years now
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Z Force1
21:29:21 06/17/21
Greg recommended 15W50 Mobil1
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vorpalZed
22:06:14 06/17/21
I spun bearings running 15W50 Mobil 1.
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MixManMash
22:36:57 06/17/21
I wouldn't blame the oil for that one
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vorpalZed
07:09:17 06/18/21
True. (n/m)
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MixManMash
21:35:28 06/18/21
It’s the cold thickness of 20 that is too thick, not -
not4resaleZ
07:16:55 06/18/21
I’m not saying it’s unacceptable, and if you’re using a
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not4resaleZ
08:37:59 06/18/21
I agree. (n/m)
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MixManMash
13:24:54 06/18/21
I am surprised that no one has said “used oil analysis”
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ConVerTT
08:21:25 06/18/21
Truth. (n/m)
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MixManMash
13:25:09 06/18/21
Yup. 13 years of UOA moved me off M1 0W40 and
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vorpalZed
17:33:11 06/18/21
Is that just for your track Z? (n/m)
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itsa300zx
17:59:21 06/18/21
Yup, I’ve spun bearings @ the road course and now pay
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vorpalZed
18:03:23 06/18/21
Greg at SZ recommended 20w-50 years ago...>
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5150Z
11:29:31 06/18/21
This
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platinumist
11:39:56 06/18/21
Yep, Seb basically told me the same thing recently
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outkaZTT
23:28:30 06/19/21
Castrol 5w50 Supercar ..cheap alternative?
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Z Force1
12:38:50 06/18/21
Mobil1 5W50 is hard to find but also great (n/m)
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Polishzx
17:00:38 06/18/21
Or 10W-60? (n/m)
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Tanley (ATL)
19:52:04 06/18/21
Castrol is crap in the Z (n/m)
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FrozTTy
07:38:14 06/23/21
Data to backup this claim? (n/m)
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MixManMash
07:43:03 06/27/21
Re: How long have your bearings lasted with High HP?
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Mike@ZSpeed
13:39:27 06/19/21
I have a few UOAs for both M1 15W-50 and RP 20W-50 on
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Tanley (ATL)
09:26:12 06/20/21
Re: I have a few UOAs for both M1 15W-50 and RP 20W-50 on
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Z Force1
19:34:05 06/20/21
I have rebuilt and replaced the bearings 4-5 times
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MezgerTT
23:42:49 06/27/21
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