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What is minimum oil temperature for higher rpms

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Old 04-11-2018, 05:59 PM
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hotrod03
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Default What is minimum oil temperature for higher rpms

“Safe minimum running oil temp” I’m guessing when I say 160F before running my LS7 higher rpms. I’ve always took it easy until 175F. So gear heads what is your opinion what my oil temp should be before I lean into “it”. My tuner installed a 160 stat
And on days of mid 40s it takes awhile to get my oil temp up. Mobil 1
0-40 euro oil is the oil suggested. Thanks

Last edited by hotrod03; 04-11-2018 at 06:02 PM.
Old 04-11-2018, 08:17 PM
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EuroRod
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My tuner says 150* before any spirited driving.
Old 04-11-2018, 08:45 PM
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MTPZ06
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I like to see min 160*...usually 170* before I put my foot down.

Last edited by MTPZ06; 04-11-2018 at 08:46 PM.
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Old 04-11-2018, 09:28 PM
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Originally Posted by MTPZ06
I like to see min 160*...usually 170* before I put my foot down.
Yes!! Thank you
Old 04-12-2018, 07:58 AM
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GARY2004Z06
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Never had a problem at 100*F when making a pass.
Old 04-12-2018, 08:19 AM
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Interesting, what weight of oil?
Old 04-12-2018, 03:15 PM
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Originally Posted by GARY2004Z06
Never had a problem at 100*F when making a pass.
Yeah, but you're a maniac.
Old 04-12-2018, 06:11 PM
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OP is using 0w/40, as am I.
Old 04-12-2018, 06:47 PM
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Originally Posted by demon340
OP is using 0w/40, as am I.
What’s your oil pressure at start? Thanks
Old 04-12-2018, 07:04 PM
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Upper 50's in the summer, hot idle in summer 29 to 31psi at 600rpm.
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Old 04-12-2018, 10:35 PM
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I retired from an oil company and our chemists always said that the additive pack in the oil doesn't start working until 175/180.
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Old 04-13-2018, 12:02 AM
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As a general rule, I limit myself to 3,000 RPM until my long term experience tells me it's warm enough to go more. With the exception of a couple race cars and my C6, I never had an oil temp gauge in a DD.

At the drags, I prefer something in the 210-230 range for oil, 175-190 coolant, and 165-185 for A6 trans.
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Old 04-13-2018, 07:33 AM
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Originally Posted by hotrod03
Interesting, what weight of oil?
That has been with high grade 30 weight racing oil.
Originally Posted by MTPZ06
Yeah, but you're a maniac.
I have been called worse.
Old 04-13-2018, 09:57 AM
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PCMusicGuy
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I've heard at least 120 in the past on this forum.
Old 04-13-2018, 11:07 AM
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Originally Posted by PCMusicGuy
I've heard at least 120 in the past on this forum.
Anywhere close to 100 seems scary to me. I’m under 2000rpm till 175. It is very interesting to me what I hear here though.
Old 04-13-2018, 01:22 PM
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Originally Posted by hotrod03
Anywhere close to 100 seems scary to me. I’m under 2000rpm till 175. It is very interesting to me what I hear here though.
One of the main reasons I upgraded my '09 C6Z to a ZR1 radiator and oil cooler setup...it actually heats the oil to operating temps so much quicker. Even when I was living in SoCal, there were plenty of drives where my oil never even got to 175*. Finally had enough of that...fixed the heads with AHP MS90 guides (14/16 were bad), and solved the cold oil issue at the same time.

Last edited by MTPZ06; 04-13-2018 at 01:23 PM.
Old 04-13-2018, 01:34 PM
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Originally Posted by MTPZ06
One of the main reasons I upgraded my '09 C6Z to a ZR1 radiator and oil cooler setup...it actually heats the oil to operating temps so much quicker. Even when I was living in SoCal, there were plenty of drives where my oil never even got to 175*. Finally had enough of that...fixed the heads with AHP MS90 guides (14/16 were bad), and solved the cold oil issue at the same time.
How would fixing the heads solve low oil temps?? Sorry I must be missing
Something?

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Old 04-13-2018, 01:36 PM
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Originally Posted by MTPZ06
One of the main reasons I upgraded my '09 C6Z to a ZR1 radiator and oil cooler setup...it actually heats the oil to operating temps so much quicker.
I think that is why they call it a heat exchange. My diff and trans cooler lines use the water radiator for the same reason, I think
Old 04-13-2018, 01:55 PM
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Originally Posted by hotrod03
How would fixing the heads solve low oil temps?? Sorry I must be missing
Something?
By adding the ZR1 oil cooler setup (heat exchanger) which is water cooled. I eliminated my front mounted (air cooled) oil cooler, as those are just far too efficient for street use. GM must agree, as they eliminated those air cooled oil coolers on the 2011+ C6Z's as well, and added the ZR1 cooler.




Originally Posted by timd38
I think that is why they call it a heat exchange. My diff and trans cooler lines use the water radiator for the same reason, I think
Thats exactly what it is.

Last edited by MTPZ06; 04-13-2018 at 02:45 PM.
Old 04-13-2018, 02:27 PM
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I try to get it over 150*F oil temp first, but doesn't always happen. Haven't had any issues though. Getting close to 200K miles.
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