What oil to use on a Turbo NSX

[tonykreepy]

Been using 10w30 Redline for the past 11 years and it work perfect. Just made my car turbo last december and want to know if i should change oil or stay the same.
Please Help

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[Winx909]

Been using 10w30 Redline for the past 11 years and it work perfect. Just made my car turbo last december and want to know if i should change oil or stay the same.
Please

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same oil

 

[docjohn]

Been using 10w30 Redline for the past 11 years and it work perfect. Just made my car turbo last december and want to know if i should change oil or stay the same.
Please Help

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If your bottom end is oem why would you want to change oil weight?