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Thank you for the reply. Was he thinking correctly that the higher VI will be "better"?

I'm a newbie to this forum and I'm just learning about the huge varieties of motor oil. I have a 2020 Dodge Challenger SXT (V6) and it's recommended that I use 5w20 for my car. A local car guru says that using Pennzoil Platinum 0w20 might be "better" than Pennzoil Platinum 5w20 because it has a...