06-21-2018, 11:13 PM | #1 |
Drives: 2018 Nightfall Gray Metalic ZL1 A10 Join Date: Feb 2018
Location: SFLA
Posts: 154
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5w40 vs 5w30 for daily driving
Hello Folks
I live in sunny (hot and muggy) South Florida. Just came back from my first track event. Prior to the event, I changed the 5w30 to the recommended 5w40. A few days later I changed it back to the 5w30. For the sake of future reference, Should I have just kept the 5w40 in there? I noticed the oil still looked pretty good. In addition, another member sudggested to just leave it in there. I have read plenty about the pending 0w40 but I don’t have access to it locally. |
06-21-2018, 11:31 PM | #2 |
Drives: 2018 Camaro ZL1 Join Date: Jun 2011
Location: Morgan, UT
Posts: 1,359
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5w40 vs 5w30 for daily driving
Pretty sure as long as the 5W-40 is Dexos2 compliant you can keep running it on the street.
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06-21-2018, 11:50 PM | #3 |
Drives: Really Fast Join Date: Aug 2017
Location: In The Woods
Posts: 238
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In FL you don’t have to worry about the first number. It doesn’t get cold enough. Use the 5W40 DEXOS 2 until you can get 0W40 DEXOS 2.
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