General Tech Questions Scheduled maintenance, Tune-ups Oil changes, service bulletins and other FAQs for the G37
View Poll Results: What brand of oil do you use in your G coupe/sedan?
Motul (300v or 8100)
56
4.06%
German Castrol
44
3.19%
Amsoil
46
3.33%
Redline
49
3.55%
Royal Purple
79
5.72%
Mobil 1 Synthetic
653
47.28%
Pennzoil Platinum
133
9.63%
Valvoline SynPower
31
2.24%
Eneos Synthetic
22
1.59%
Quaker State
10
0.72%
Lucas Oils (synthetic)
6
0.43%
Schaeffer Synthetic Oil
4
0.29%
Nissan Ester Oil
171
12.38%
Conventional 5w30 "dino oil"
77
5.58%
Voters: 1381. You may not vote on this poll

The DEFINITIVE oil thread

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Old Apr 14, 2020 | 08:13 PM
  #571  
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Timmy Le
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I have like 200k+ on my G37 Journey and was wondering should I keep using M1 5W30 EP or switch to 0W40 like I’ve heard others talking about?
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Old Apr 14, 2020 | 11:25 PM
  #572  
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PNW_IPL
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Originally Posted by Timmy Le
I have like 200k+ on my G37 Journey and was wondering should I keep using M1 5W30 EP or switch to 0W40 like I’ve heard others talking about?
0w40 UOA consistently shows good protection
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Old Apr 15, 2020 | 10:03 AM
  #573  
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BeaterGinKC
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Joined: Dec 2016
Posts: 10
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only way to really know is to run both for same interval and pay Blackstone to analyze. worth it? hard to say. I thought the report was pretty cool

https://www.blackstone-labs.com/

~
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