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Old 05-23-2021, 07:37 AM   #15
FarmerFran


 
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Drives: 2023 ZL1 Vert M6 "Sharky"
Join Date: Mar 2020
Location: Earth
Posts: 4,591
I find it very funny both FCA and GM recommend 0w40 in the 392 and LT1 BUT somehow magically FCA says no to Mobil1 and GM says no to Penzoil even though both are 0w40, I get the whole dexos debate. It just cracks me up because there isn't any gas debates on what to use, other than octane rating, yes gas can be extremely different brand to brand.

GM says "it has to be dexos", FCA even puts SRT on the side of the Penzoil bottle. It is a racket.
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