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Old 03-07-2023, 08:20 AM   #2
Slurpee
 
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Drives: 2020 ZL1 A10; Shadow Gray Metallic
Join Date: Sep 2020
Location: Chicago
Posts: 255
Driving the car on 15w-50 to and from the track is not a problem.
I think it's recommended to not start the car under 40 degrees F on the track oil and there are some longevity concerns on the cats with dailying the oil.
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