Quote:
Originally Posted by LancevanceZLE
Do you drive the car to the track on 0w40, then switch to 15w50 at the track, and then switch back to 0w40 for the drive home?
That seems very impractical, time consuming and expensive.
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No. I run 15w-50 in my car all the time. I track the car more than drive on the street. As long as you don't rev the car when the oil is cold you won't have any issue running 15w-50 all the time. I have had the car two years purchased new and currently have right at 9,000 miles on the car (7,000 miles track). No issues.