I probably should just start using Amsoil 5w40 as well. If Walmart drops Delvac 1 like they have in the past, then its pretty expensive to get from the dealer. So I'll probably just order a case of Amsoil engine oil.

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2016 Corvette Stingray 2LT
1969 280SE
2023 Ram 1500
2007 Tiara 3200