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Mechanical Maintenance (Oil, Fluids, Break-In, Servicing) Everything related to the mechanical maintenance of the FR-S and BRZ


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Old 11-02-2016, 07:46 AM   #29
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During the summer months were ambient temps in some places can be consistently in the triple digits or average close to and above 40*c for the metric folks, it might be a good idea to run a thicker oil if you tend to drive hard even if you don't beat on it at a track, I'd say.
Yeah I think the manual specifies a slightly higher grade oil can be used in extremely hot regions or for extended high RPM usage (or something like that). Just a balance between maintaining proper oil pressure on the hottest days vs. cold start viscosity and bearing clearances on the coldest days. I use a 5w30 synthetic during the summer track season and 0w20 synthetic during the winter.
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Old 11-03-2016, 08:41 AM   #30
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Yeah I think the manual specifies a slightly higher grade oil can be used in extremely hot regions or for extended high RPM usage (or something like that). Just a balance between maintaining proper oil pressure on the hottest days vs. cold start viscosity and bearing clearances on the coldest days. I use a 5w30 synthetic during the summer track season and 0w20 synthetic during the winter.
Same here, but I like to swap between 0w-20 oils and the Castrol 0w-30. Supposedly the Castrol runs a bit thicker than most 0w-30's and 5w-30's. Plus Pep boys runs a special on castrol synthetic oils every other month.
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Old 11-03-2016, 09:06 AM   #31
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Same here, but I like to swap between 0w-20 oils and the Castrol 0w-30. Supposedly the Castrol runs a bit thicker than most 0w-30's and 5w-30's. Plus Pep boys runs a special on castrol synthetic oils every other month.
German Castrol! I used to use that on my STI. A lot of the Subaru guys love it since it's a little thicker like you mentioned.
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Old 11-03-2016, 09:32 AM   #32
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The best Oil.

Eneos Sustina 0W20
Or 50.
I run M1 0w40, for both street and track. It's one of the last oils in their lineup that's still PAO base stock and UOAs show it's worth well more than the $30/5L (Canadian) I pay at Walmart for it.
I don't let EPA required fuel economy number dictate how I protect my motor.

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Old 11-03-2016, 10:24 AM   #33
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Or 50.
I run M1 0w40, for both street and track. It's one of the last oils in their lineup that's still PAO base stock and UOAs show its worth well more than the $30/5L (Canadian) I pay at Walmart for it.
I don't let EPA required fuel economy number dictate how I protect my motor.
They sell Eneos at Walmart? Do they also sell Sustina 0w20?
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Old 11-03-2016, 10:27 AM   #34
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They sell Eneos at Walmart? Do they also sell Sustina 0w20?
huh?
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Old 11-03-2016, 10:29 AM   #35
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huh?
Never mind, just noticed you wrote M1
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Old 11-05-2016, 12:08 PM   #36
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Or 50.
I run M1 0w40, for both street and track. It's one of the last oils in their lineup that's still PAO base stock and UOAs show it's worth well more than the $30/5L (Canadian) I pay at Walmart for it.
I don't let EPA required fuel economy number dictate how I protect my motor.


The specs that an oil meets are more important than the base stocks that are used. These days Mobil 1 uses GTL base stocks in the 0W40.

https://bobistheoilguy.com/forums/ub...containing_GTL
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Old 11-06-2016, 09:59 AM   #37
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The specs that an oil meets are more important than the base stocks that are used. These days Mobil 1 uses GTL base stocks in the 0W40.

https://bobistheoilguy.com/forums/ub...containing_GTL
Interesting process.
I haven't bought a jug of M1 0W40 that didn't say Eruopean Formula on the label, so none of this GTL stock has been in my engine. I'll be monitoring the UOAs for it, and provided it tests well and maitains the current price point, I'll give it a shot.
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Old 11-06-2016, 10:46 AM   #38
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http://www.hendonpub.com/resources/a...etails?id=3965


This is important. I really do not think it is good to use non 0-20. If you track your car, get hardware to increase flow of your oil or increase cooling capacity.
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Old 11-06-2016, 09:07 PM   #39
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You need to check your oil. Is your oil sheering down below the recommended viscosity during your track day. If it is I would use a thicker oil or another oil of same thickness that does not sheer down. Using a thicker oil for a track day will not likely hit your engine. Running too thick as a DD could cause trouble over time.
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Old 11-22-2016, 03:56 PM   #40
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thicker oil vs larger oil pump and more volume. I dont think people are getting the difference. Pressure itself is only a valid indicator of what is going on if the oil is the same oil in each system. If thick oil, it is simply needing more force to move but it is not getting to the parts it needs to lubricate any faster.

I remember many street racers getting larger oil pumps. I guess it would help if flow rate is increased.
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Old 04-10-2018, 09:22 AM   #41
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Sprry for upping an old thread
how does Motul Eco-clean 5w30 look to you guys?

it s not very thick, and where i live in summer is very warm so i would like to change from 0w20 motul eco lite, also intend to do 1 or 2 light track days

my concern is that 5w30 eco clean like other motul oils, is SN compliant (that is good) but not gf5
is it a problem?
i always change oil every 7500km and go back to 0w20 or 0w30 in winter
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